Devexpress blazor listbox. When grid selection changes, the DxGrid.

Devexpress blazor listbox The following code organizes data items into groups based on the Country data source field and customizes displayed text for group Aug 26, 2025 · Note DevExpress Blazor components do not support CSS zoom-related properties, such as zoom, scale, and transform. <set_ValueChanged>b__0 (TData item) The DevExpress Blazor Drop-Down Button component can display drop-down windows with custom content. Thanks, Chris. Apr 19, 2023 · Hi, How can I achieve a 2 way binding between an Enum with FlagsAttribute and a listbox in Blazor Web Assembly ? May 28, 2025 · List Box - Keyboard Support May 28, 2025 2 minutes to read The DevExpress Blazor List Box supports keyboard navigation. You can reorder rows within the TreeList, move rows between components, and change the component hierarchy. How would you deal with two-way binding SelectedItems property? DevExpress v25. ListBox for Blazor - An exception is thrown when DxListBox is used in EditForm and the DxListBox. To display this checkbox, enable multiple selection mode and set ShowSelectAllCheckbox and ShowCheckboxes properties to ‘true’. Add the <DxCheckBox> … </DxCheckBox> markup to a . There is no suitable workaround other than updating data sources of your ListBox components manually. Search is case-insensitive and applies to cells in visible columns only. Rendering. If you wish to display multiple properties of a certain object, you can create a custom property which would concatenate values of these properties and set this property name to the DxComboBox's TextFieldName property. Follow the steps below to add a List Box component to an application: Use a DevExpress Project Template to create a new Blazor Server or Blazor WebAssembly application. If I try to load 10 000 line into the Listbox, my application is frozen for a while. Jul 6, 2025 · Refer to the following topic for more information: Edit Model in Blazor Grid. Specify the DropDownContentTemplate property (at either the component or item level) to customize the layout and appearance of the corresponding drop-down window. Users can select an item from a list and type text in the editor to filter list items that contain the search string. I know I can write JS to scroll an element into focus (and I probably will for now), but I would like to request a built in feature that uses the known KeyFieldName and also works when using virtual. The previously mentioned workaround involves restricting the DxListBox<TData, TValue> Events A component that can connect to a data source and display a list of selectable items. server. Remarks The search feature allows you to filter and highlight the search text in List Box data. js:19 [2021-03-04T09:47:20. I'm trying to handle the itemdoubleclick event in a javascript function as follows: function listbox_OnItemDoubleClick (s,e) { alert (e. (Optional). Features and Capabilities For in-depth information about DevExpress SearchBox for Blazor, review the following sections in the Feb 20, 2025 · The ComboBox, Tag Box, and List Box components only saw internal changes and maintained the same API, while our Data Grid (DxDataGrid) has been replaced with the new DevExpress Blazor Grid (DxGrid). GetRowIndex ()); } I need the row index of the double-clicked row in order to pass it to the Remarks If you allow users to select only one item, you can do the following: Use the Value property to access the List Box’s selected item value from a bound data source. After upgrading I don't see the ID supported for DxListBox. Components. This video shows how to add and configure the DevExpress Blazor List Box component in your application. And @key is not working with Bind-Values. I have same issue with DxListBox, not a single example with ValuesExpression. When you validate user input in the ValueChanged event handler and cannot use two-way data binding, use the ValueExpression property to identify the value passed to the event. Dec 30, 2021 · Hello, This usage scenario can be implemented by adding a separate control (for example, a checkbox control) and managing the Values collection manually. The list of selected items can be accessed and/or specified via the Values property. This collection of selected items is stored in the Values property. Select All checkbox as first row. 000 records) and ListRenderMode = Virtual I Use a DevExpress Project Template to create a new Blazor Server or Blazor WebAssembly application. How can I include an option to add a new item to the DxListBox, regardless of the current scroll position AND have the new item visible/focused? May 10, 2021 · ListBox for Blazor - Pre-selected values are not shown when binding them via bind-Values PG Paul Gehrman created 4 years ago (modified 4 years ago) Aug 6, 2024 · I'm trying to create a grid (using DxGrid), in which one of the columns populates a drop down box, containing a checklist (the checklist is formatted the same way as the 'Multiple Selection ListBox' example that can be found at https://demos. It is used when you add a DxListBox<TData, TValue> to Blazor’s standard EditForm component to validate the Value property value. See the video attached. We have plans to include this information in our documentation. AspNet. It has edit buttons to allow editing of the current item. This change in item selection logic helps us ensure consistent behavior across DevExpress Blazor UI components (Grid, List Box, etc. Is there any way to get the search text feature to work with an ItemDisplayTemplate? An example would be great. Use the EditNewRowPosition property to display the new item row or change the position of the inline edit form displayed for new records. But i want to hightlight the text instead of filter the text i. The template’s context parameter contains the DisplayText property that allows you to get the header’s display text. ArgumentNullException (Value cannot be null. Feb 10, 2025 · DevExpress v24. Apr 23, 2025 · The DevExpress Blazor List Box allows you to display a Select All check box above list box items. Users can navigate through List Box items and select them. Nov 18, 2024 · DxDropDownBox for Blazor - Items in Multiple Selection ListBox in DropDownBodyTemplate become unselected after closing and reopening the dropdown DevExpress Support Team created 10 months ago Apr 19, 2021 · We suggest using ObservableCollection for this: ListBox for Blazor - The control's items are not updated after changing its data source. In this demo, the button's drop-down window contains a DxListBox component. For further details, refer to the following thread: Tables. Our Blazor UI Component Library ships with 70+ native Blazor components (including a DataGrid, Pivot Grid, Scheduler, Chart, Data Editors, and Reporting). Nov 11, 2024 · ComboBox for Blazor - How to change the color of hovered and selected item in ComboBox Feb 13, 2018 · Hello DevExpress team ! I'm trying to display custom objects in a Listbox. Blazor IListBox Methods ClearFilter () DevExpress v24. You can use the @bind attribute to bind these properties to a data field. Run Demo Read Tutorial: Explore Features API Reference Dec 15, 2022 · Styles and Appearances in Blazor ListBox Component 15 Dec 2022 3 minutes to read To modify the ListBox appearance, you need to override the default CSS of ListBox component. Your response to our survey questions will help us measure product satisfaction for features released in this major update and help us refine our plans for our next major release. If both templates are defined, the column-specific CellDisplayTemplate overrides the global ColumnCellDisplayTemplate for cells within that particular column. Is there any other property which identifies the Listbox with unique key? Let me know for any workaround Apr 29, 2021 · DevExpress v25. Oct 14, 2025 · For in-depth information about DevExpress List Box for Blazor, review the following articles: Developer documentation for all DevExpress products. Run Demo Read Tutorial: Explore Features API Reference Refer to the following list for the component API reference: DxDropDown Members. When a user changes selection, the event handler closes DevExpress provides best-in-class UI controls, tools, and frameworks for WinForms, ASP. com/blazor/DropDownBox. To explore the capabilities of the EAP version of the DevExpress Blazor List Box control, open our locally installed Blazor demo: ListBox → Multiple Selection . Aug 3, 2024 · Blazor editor samples for List Box Search Text contains an element <DxEditorIconInternal Position="@EditorButtonPosition. TextChanged — Fires when the editor text was changed. Also, you have an option to create your own custom theme for the controls using our Theme Studio. Do you have any fix it? Developer documentation for all DevExpress products. Is there currently a way to expose the selected items css class? Developer documentation for all DevExpress products. Jul 26, 2021 · Hello Jan, I modified the project from the previous thread to make the grid occupy the whole available space of the page: T1007469: DataGrid for Blazor - How to set the grid's height to 100% in v21. Jun 30, 2017 · I am looking to figure out how I can add a double click event to a selectedItem in DX ListBoxControl. The control displays a search box. I am trying to implement a DxDropDownBox with DxListBox with multiselect capabilities. The only way to load more items is to set the ListRenderMode property to "Entire". I've recorded a video to demonstrate how it works. The window consists of the header, body, and footer elements. So, I cannot specify the delivery date at this time. I cannot reproduce the same issue as in the shared screenshot on my side. Does this work differently on your side? However, DxListBox does not allow you to specify how many items are loaded initially. A column’s CellEditTemplate allows you to display custom content in the edit row cell. This parameter is derived from the TValue type and contains template-related members. Nov 10, 2023 · DxComboBox for Blazor - ListBox is wider than a dropdown if text is wider than screen width Tony (DevExpress Support) created a year ago This example binds DevExpress Blazor ListBox, ComboBox, and TagBox to a remote Web API service and uses the CustomData property to implement custom data load logic. Apr 29, 2021 · DevExpress v25. You can use the Context attribute to change the parameter name. This event fires in the following cases: When users change item selection. Parameter 'accessor') is thrown on initializing the DxListBox control located in DxDataGrid's Edit Form DevExpress Support Team created 5 years ago May 13, 2025 · We removed legacy Blazor DxDataGrid component classes and older implementation of DevExpress list-based editors (ComboBox, List Box, TagBox) from our source code. Handle the ValueChanged event to respond to selection changes. Our Blazor DropDown component allows you to display a drop-down window in your application. ShowCheckboxes property is set to true Jun 24, 2021 · Hello Magali, Currently, ListBox does not support the drag-and-drop functionality. When Value and Values properties are changed at runtime or in code. You can validate the List Box’s Value if the component is in the standard EditForm. Mar 12, 2025 · Refer to the following list for the component API reference: DxCheckBox Members. AspNetCore. If my steps to reproduce Nov 25, 2022 · Hello, we use some DxListBox control with single selection mode. ComboBox. Dec 26, 2013 · Hi, How do I get the row index of a double clicked mvc list box row ? Here is what I'm trying to do: I have a multi-column listbox with checkcolumn selection mode. You can create a criteria operator object that specifies the filter expression and pass this object to the SetFilterCriteria method. Set the Mar 15, 2021 · ListBox for Blazor - Manual item selection takes a long time and items cannot be unselected DevExpress Support Team created 4 years ago Sep 20, 2019 · ListBox for Blazor - It's not possible to select a range of items with the "shift" key if the ShowCheckboxes property is enabled Vova (DevExpress Support) created 5 years ago (modified 5 years ago) May 6, 2025 · DevExpress v24. Abhilash Jan 28, 2020 · ListBox for Blazor - System. I would be able to try and switch back to DevExpress except I see two missing features which would be requirements for us. Set the HeaderVisible and FooterVisible properties to true to display these elements. Visual and data layers are new, but the public API remains unchanged. Oct 6, 2020 · ListBox for Blazor - The "Select All" option does not work when the control is bound to a large data source (about 18. Blazor Data Editors High-Impact Blazor UI Data Editors and multi-purpose input components. Id. The SelectedDataItemsChanged event allows you to use the following argument Jan 21, 2025 · Currently, each column resizes as the list component is resized. The top two results provide information required for completing your Dec 6, 2024 · This article describes how to enable drag-and-drop operations in the DevExpress Blazor TreeList. Use a DevExpress Project Template to create a new Blazor Server or Blazor WebAssembly application. The editor’s input element is read-only for users. Set the EditMode property to PopupEditForm to display the edit form in a pop-up window. Click individual items or corresponding checkboxes (available if ShowCheckboxes is DevExpress v25. I would also like to mention that I was able to find this solution using the listbox with multiple columns search query in our Search Engine. Remarks The SearchTextChanged event fires each time the SearchText property value changes. 1 Update — Your Feedback Matters Our What's New in v25. Core ComboBox API members are as follows: Data — Specifies the data source used to populates the editor's list items. Find the list of CSS classes and its corresponding section in ListBox component. GetValueFromItem(TData item) at DevExpress. Remarks Set the ShowSearchBox property to true to display the search box in the List Box component. Remarks The DevExpress List Box for Blazor (<DxListBox>) allows you to display a list of selectable items from a data source. If the ShowCheckboxes property is set to true, users can click the items or corresponding checkboxes to select the items. Expected result: The selected item is fully highlighted. Users can also use keyboard to navigate between items and select them. Blazor editors, not only DevExpress ones, use the Expression property to obtain required metadata and utilize it to generate the validation context. ShowCheckboxes property is set to true Answers approved by DevExpress Support Jun 22, 2022 · Hello, DxListBox in virtual mode should automatically load items to fill the entire ListBox height after the control is initialized. Let me know if you have any Developer documentation for all DevExpress products. When grid selection changes, the DxGrid. MeasureItem event. 2, the DevExpress Blazor List Box was rewritten from scratch. However, I do not completely understand how you implement The DevExpress TreeList for Blazor supports paging, horizontal scrolling, vertical scrolling, and virtual scrolling (loading data on demand). Jun 27, 2022 · ListBox for Blazor - Scrollbar is incorrectly displayed if the page font size is not default (16px) Hello, I am using DevExpress ListBoxControl and need selected item data on double click , please suggest if any option. 193Z] Error: System. I did provide the ValuesChanged, Values, and ValuesExpression for multi select list box but I keep getting: Microsoft. I had mentioned this in my previous comment of feature wishlist Jul 8, 2025 · This article describes how to enable drag-and-drop operations in the DevExpress Blazor Grid. DevExpress v25. Oct 14, 2025 · Once a user enters the text in the search box, the List Box looks for rows with matching values, highlights search results, and filters out all other rows. ShowCheckboxes property is set to true] This hotfix brought another bug: an item in listbox with checkboxes can't be selected/deselected by clicking on checkbox. Remarks The DevExpress Blazor ListBox control can display data across multiple columns. It is possible in listbox? Developer documentation for all DevExpress products. [DevExpress Support Team: CLONED FROM T1133985: ListBox for Blazor - An exception is thrown when DxListBox is used in EditForm and the DxListBox. You should specify the ValuesExpression property if you handle the ValuesChanged event and cannot use two-way binding. Thanks. A template’s Razor markup can access an implicit parameter named context. Jul 29, 2020 · My example shows the general approach of how to refresh the listbox without refreshing other components. Jul 13, 2021 · ListBox for Blazor - The height of ListBox is decreasing when the Bootstrap theme is used and ListRenderMode is Virtual Nastya (DevExpress Support) created 4 years ago (modified 4 years ago) To avoid this behavior, set the height for DxListBox via CSS: Developer documentation for all DevExpress products. at DevExpress. We have plans to introduce it, but we have not finalized the implementation terms. ListBoxState 2. I can also share what I have if needed. To define a May 28, 2025 · The DropDown component allows you to create a drop-down window in your Blazor application. Includes a combobox, check box, date edit, list box and more. Is there a way to implement it using some trick? Maybe using ItemTemplate onclick and changing Value An editor that allows users to select multiple items (tags) from the drop-down list. I have a simple List Box with key/value data and multiple selection enabled. <>c__DisplayClass41_0. Users can select multiple items in several ways: Press Ctrl to select items individually or hold Shift to select a range of items. NullReferenceException: Object reference not set to an instance of an object. Aug 17, 2022 · To reproduce the issue: Open the attached project. WebAssembly. The search is case-insensitive and applies to cells in visible columns only. Remarks Handle the SelectedDataItemsChanged event to respond to item selection changes. These render fragments can contain both markup and other Razor components. Nov 19, 2020 · ListBox for Blazor - The control's items are not updated after changing its data source Lanette (DevExpress Support) created 4 years ago Developer documentation for all DevExpress products. Our DxListBox component utilizes a fixed table layout, leading to this expected behavior. To allow users to set the CheckBox's state to indeterminate, enable the AllowIndeterminateStateByClick property. 9 I'm currently using DxListBox with ID and also add Bunit where we take list box with FindComponents and getting the particular list box by matching the Instance. 1 Update — Your Feedback Matters Our What's New in v24. In this case, the ValuesExpression property is used to obtain metadata about values bound to the Values property. razor file. Once a user enters text in the search box, the List Box looks for rows with matching values, highlights search results, and filters out all other rows. You can reorder rows within the grid or move rows between components. Internal. However, I doesn't seem to work when using an ItemDisplayTemplate. As well as in the standard ListBox, you can subscribe to it in a custom ItemContainerStyle. A component that can connect to a data source and display a list of selectable items. Data library in your project. Blazor ListBoxColumnCellDisplayTemplateContext DevExpress v25. Docs API Reference DevExpress. ). The columns will automatically adjust to fill the container's width, regardless of any specified width settings. If the search text contains multiple words separated by space characters, the words can be treated as a single condition or as individual conditions grouped by the Or or And operator. Dec 22, 2022 · ListBox for Blazor - An item in a WASM application isn't selected when a checkbox is clicked Vova (DevExpress Support) created 2 years ago (modified 2 years ago) Blazor UI Components Create high-impact user experiences for both Blazor Server and Blazor WebAssembly using C#. The state changes each time a user clicks a CheckBox: Indeterminate -> Checked -> Unchecked -> Indeterminate. For instance, the background color of a selected DxComboBox item depends on the --dxbl-listbox-item-selected-bg variable. Feb 17, 2025 · Hi Team, I'm trying to upgrade DevExpress Blazor 23. Jul 31, 2019 · I am using Listbox control in my application. Impact on Existing Apps Remarks The Blazor List Box allows you to filter its data in code. I have a list of values which I want to display in the List Box with a selection column. Overview To bind an editor to data from a Web API service, complete the following steps: Reference the DevExtreme. You can completely control this process - call the Refresh method only when you need to update the listbox. But, I can have 10 000 measurement points in the same file, and so, 10 000 lines. Set the SearchTextParseMode property to a value of the This demo module shows how to add custom content to the CheckBox's ChildContent property and use the DisableDefaultRender property to hide the default check mark. Read Tutorial: Inline Edit Row Run Demo: Edit Row View Example: Inline Editing The Grid component automatically generates editors for columns based on their data types. Please check the project and the video with my attempts. The editor's Value property is bound to a data item that corresponds to the selected grid row. For each DxListEditorColumn object, specify the data source In this demo, the DropDownBox editor contains a fully-functional DevExpress Blazor Grid control. SearchTextParseMode - Specifies how the List Box interprets search strings divided by spaces. The Value property can return the following The DevExpress Blazor ComboBox allows users to select an item from a drop-down list. Run Demo: List Box Jul 2, 2024 · ListBox for Blazor - A selected item is not checked after filtering DevExpress Support Team created a year ago (modified a year ago) Remarks Use the GroupHeaderDisplayTemplate property to customize content displayed in List Box’s group headers when data items are grouped. If you use a Microsoft project template or already have a Blazor project, configure your project to incorporate DevExpress Blazor components. This object is a line with values about a measurement point (time, temperature, strenght…). Feb 3, 2025 · I am new to Blazor technologies. 1 webpage includes product-specific surveys. Jul 15, 2024 · Reasons for Change In v23. I found one article which uses SearchControl. Our Blazor List Box component allows users to select items from a list of predefined strings. Left" Icon="@SvgSym Jul 7, 2025 · The DevExpress Blazor List Box can now display a Select All checkbox and allow users to select/deselect all list items simultaneously. Populate the column collection with DxListEditorColumn objects. Jan 8, 2021 · [DevExpress Support Team: CLONED FROM T918617: ListBox for Blazor - How to force data refresh] Dear! SelectedItems in DxListBox is not exist. Remarks You can embed checkboxes into List Box items to allow users to check/uncheck individual items. Click individual items or corresponding checkboxes (available if ShowCheckboxes is Oct 14, 2025 · List Box templates are RenderFragment<TValue> type properties. Developer documentation for all DevExpress products. 2 - the second major release of 2023. Mar 12, 2025 · The Drop-Down Box component is a highly customizable editor that can display any UI element in its drop-down window: list view, tree view, data grid, or a combination of multiple elements. This project is attached to this post. 3 to 24. It will be necessary to handle this event for item controls directly to achieve your goal. Please test the approaches suggested there and let me know if they are helpful. The DevExpress Blazor Data Editors library offers unmatched data editing options whether used for standalone data editing or in cells of container controls such as Blazor Data Grid. Aug 28, 2023 · [DevExpress Support Team: CLONED FROM T1185964: Blazor ComboBox ValueExpression] Hi, Thanks for the quick reply. Jul 11, 2024 · [DevExpress Support Team: CLONED FROM T1156538: ComboBox for Blazor - Implementing a Checked ComboBox] We are currently using a Checked Combo Box from Radzen to fill the need. TagBox supports incremental filtering, virtual scrolling, validation, and templates. Scroll to the right to see the rest of the selected item. Features DropDown Content and Appearance The drop-down window consists of the header, body, and footer elements. Select a list box item. Provides access to the List Box’s selected value/item collection. For each The ItemDisplayTemplate property allows you to customize the appearance of List Box items. Nov 19, 2024 · See System. Please tell us if adding it to the ListBox general article or to a separate troubleshooting section would help you find a solution faster. The following code snippet implements an external search box for the List Box and handles search text changes. Blazor. Jul 15, 2019 · Hi, MouseDoubleClick is a standard event, which occurs when you click any part of your control. It is unlikely that this feature will be available this year. But it actually filter the search text. Dec 11, 2023 · In this file, you can find all CSS rules and variables. 2 Update — Your Feedback Matters Our What's New in v24. . When a user presses and holds an Oct 25, 2019 · How to: Set Custom Height for Specific Items in ListBoxControl Oct 25, 2019 The following example shows how to set a custom height for specific items in a ListBoxControl by handling the BaseListBoxControl. Aug 5, 2024 · I like the Search Text feature of the DxListBox. For instance, you can select item (s), click a custom "Move items" button, add these items in code to your second ListBox, and remove them from the Remarks You can add the List Box editor to Blazor’s standard EditForm component to validate the Values property value. 1 Update — Your Feedback Matters Our webpage includes product-specific surveys. The latest version. May 2, 2025 · Developer documentation for all DevExpress products. I have binded items to the listbox and I can single click but I have not been able to figure out how to double click. NET Core, WPF, VCL, and JavaScript developers. Run Demo: List Box - Overview Add a List Box to a Project Follow the steps below to add a List Box component to an application: Use a DevExpress Project Template to create a new Blazor Server or Blazor WebAssembly Jun 11, 2020 · Good evening Is there some component to use for activate a Drag and Drop in a listbox? Is there in Blazor roadmap, to create this feature? R Jul 31, 2024 · The attached project's Weather page simulates an adaptive grid, by switching to a DxListBox for window width < 900. I also attached a sample project from the video so you can test it. I want to search text, listed in the list box. For more information about criteria operators, see the following sections: Criteria Language Syntax Criteria Language Syntax - Custom Data Specifics When a filter is applied, the List Box raises Nov 10, 2021 · I'd like to change the style of the listbox selected item so that it turns the border purple instead of the entire background. Any info is appreciated. Mar 3, 2021 · Hi, Your code is correct and has required configuration for binding to a collection of selected items. Multiple to enable multiple selection in the List Box. Features and Capabilities For in-depth information about DevExpress CheckBox for Blazor, review the following sections in the DxCheckBox class description: Checked/Unchecked States Indeterminate State Switch Mode Content Position Appearance Customization Input New products and capabilities introduced across the entire DevExpress product line with v23. Add the <DxDropDownBox> … </DxDropDownBox> markup to a . Please refer to the following thread - we discussed this functionality there: ListBox for Blazor - The "Select All" option does not work when the control is bound to a large data source (about 18. SelectedDataItemChanged event handler assigns a new data item to the editor value and calls the HideDropDown method. 2 webpage includes product-specific surveys. DevExpress. The following code snippet customizes the appearance of every cell in a List Box control. Blazor DxListBox Methods MakeItemVisible (Int32) DevExpress v25. Actual result: The selected item is not fully highlighted. NET, MVC, Blazor, ASP. Dec 23, 2019 · ListBox for Blazor - It is impossible to select an item if the listbox is bound to an IQueryable data source Anthony (DevExpress Support) created 5 years ago (modified 5 years ago) Docs API Reference DevExpress. 000 records) and ListRenderMode = Virtual Developer documentation for all DevExpress products. ArgumentNullException: 'X' requires a value for the 'Expression' property | Blazor | DevExpress Documentation. 1. Workaround: Use the following CSS rule: Developer documentation for all DevExpress products. This also refers to the first render. The HeaderText, BodyText, and FooterText properties specify text displayed in the DropDown elements. Run Demo Read Tutorial: Explore features API Reference Refer to the following list for the component API reference: DxSearchBox Members. Mar 4, 2021 · Customer187756 blazor. Remarks The DevExpress ComboBox for Blazor (<DxComboBox>) component displays a drop-down window with a list of items. Run Demo: List Box - Overview Add a List Box to a Project Follow the steps below to add a List Box component to an application: Use a DevExpress Project Template to create a new Blazor Server or Blazor WebAssembly Remarks The ValueExpression property obtains metadata about the value bound to the Value property. May 6, 2025 · I would like to formally request a scroll-to-row feature that can be accessed through a reference variable. ComboBoxState 2. devexpress. Oct 14, 2025 · Use the Value or Values property to select one or multiple List Box items programmatically. In the :root selector, you can see the primary variables, but not every DevExpress component uses only primary variables. TextFieldName — Specifies the data source's field used to supply item text. When users enter values within the Search Box, our Blazor Grid filters data rows, displays records that match the search string, and highlights search results. To show or Developer documentation for all DevExpress products. DevExpress v25. ListBox. Edit Row The Grid displays inline editors instead of the edited row. Value — Specifies Dec 13, 2022 · ListBox for Blazor - An exception is thrown when DxListBox is used in EditForm and the DxListBox. Can the selected item be scrolled into view somehow? There is no appropriate API for this task: DxListBox Members. WebAssemblyRenderer[100] Unhandled Jul 21, 2020 · Yes, we have these features planned for ComboBox and ListBox. Is there any other property which identifies the Listbox with unique key? Let me know for any workaround Note The ColumnCellDisplayTemplate property can be used alongside the CellDisplayTemplate property. If your List Box supports multiple selection, handle the ValuesChanged event instead. The header and footer are initially hidden. The component can be bound to any IEnumerable data source. This name change is essential Oct 14, 2025 · List Box - Multiple Columns Oct 14, 2025 2 minutes to read The DevExpress Blazor List Box control can display data across multiple columns. Nov 8, 2021 · ListBox for Blazor - How to show a scrollbar without virtual scrolling PG Paul Gehrman created 4 years ago (modified 4 years ago) Nov 27, 2020 · How can I select items in a DxListBox in code? I actually want to select all items as a default. The property accepts a ListBoxItemDisplayTemplateContext object as the context parameter. If the List Box allows users to select multiple items, use the Values property and ValuesChanged event instead. Nov 13, 2018 · Hello Brandie, We discussed a similar task in the Is there a ListBox type with multiple columns? thread. Multiple Selection Set the SelectionMode property to ListBoxSelectionMode. e same as grid control or treelist control. Follow the steps below to create columns: Add <Columns></Columns> tag to the component’s markup to declare the column collection. For example: Feb 26, 2021 · Hi DevExpress Team, How to check all checkboxes of the listbox Best regards, Mirko Mar 12, 2025 · The DevExpress SearchBox component for Blazor (DxSearchBox) allows users to input text and search for it in your application. You can use one of the following ways to set up this property: Specify Value and ValueExpression properties and handle the ValueChanged event. May 6, 2025 · List Box New Search and Filter API - The DevExpress Blazor List Box introduces new API that allows you to connect it to external search/filter UI elements: SearchText - sSpecifies text used by the List Box to filter and highlight search results. The DevExpress Blazor Grid component includes an integrated Search Box UI element. Text — Specifies the editor's text. When I apply Search Text (or Filter Data), is it possible to ge DevExpress Data Grid is a high performance and feature-complete UI component with master-detail support for Blazor apps. Do you have quick solution to : -To load the objects in Sep 27, 2022 · Hello Patrick, Our List Box component doesn't support the keyboard navigation feature. There should be a way to deselect items in single selection mode, clicking the currently selected item. Each object corresponds to a separate column. Download your 30-day free trial. You can assign an editor value programmatically depending on user interaction with window content. In this example, if a specific item contains a NewLine character (“\r\n” in C#), its height is doubled to fully display the item’s text. vgrx dfmj bhdnrj wnul ptab eqpcahz rhls iiw blgql psh rflg whirw xdopnjp xdyu arvxdd