blazor-devexpress-dot-blazor-dot-dxcombobox-2-dot-underscore-members.md
A text editor that allows users to select predefined items from the drop-down list or type custom values.
| Name | Description |
|---|---|
| DxComboBox() | Initializes a new instance of the DxComboBox<TData, TValue> class. |
| Name | Description |
|---|---|
| AllowUserInput | Specifies whether users can enter custom values in the edit box of the ComboBox. |
| Attributes | Specifies a collection of standard HTML attributes applied to the component. Inherited from DxEditorBase. |
| Buttons | Allows you to add command buttons to the ComboBox. |
| ClearButtonDisplayMode | Specifies whether the editor displays the Clear button when it is not empty. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| ColumnCellDisplayTemplate | Specifies a template used to display column cells in the ComboBox. |
| Columns | Allows you to add columns to the ComboBox. |
| CssClass | Assigns a CSS class to the component. Inherited from DxEditorBase. |
| CustomData | Specifies an asynchronous function that loads a list editor’s data based on the specified load options. Inherited from DxListEditorBase<TData, TValue>. |
| Data | Specifies a collection that supplies data for a list editor (ComboBox, List Box, TagBox). Inherited from DxListEditorBase<TData, TValue>. |
| DataAsync | Specifies an asynchronous function that returns data for a list editor (ComboBox, List Box, TagBox). Inherited from DxListEditorBase<TData, TValue>. |
| DataLoadMode | Specifies how the ComboBox loads its data. |
| DisabledFieldName | Specifies the Boolean field that defines disabled states of component items. Inherited from DxListEditorBase<TData, TValue>. |
| DisplayFormat | Specifies the pattern used to format the ComboBox’s display value when the editor is not focused. |
| DropDownBodyCssClass | Assigns a CSS class to the drop-down body in the editor. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| DropDownCssClass | Assigns a CSS class to the editor’s drop-down. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| DropDownDirection | Specifies the direction in which the drop-down window is displayed relative to the editor’s input element. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| DropDownTriggerMode | Specify when the ComboBox should open its drop-down list. |
| DropDownVisible | Specifies the current state (displayed/hidden) of the editor’s drop-down window. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| DropDownWidthMode | Specifies the width of the drop-down list. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| EditBoxDisplayTemplate | Specifies a template used to display the ComboBox’s item in the edit box. |
| EditBoxTemplate | Obsolete. Specifies a template used to display the ComboBox’s item in the edit box. |
| EditFormat | Specifies the pattern used to format the editor’s value. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| EmptyDataAreaTemplate | Specifies the template used to display custom content in the ComboBox if there is not items to display. |
| Enabled | Specifies whether the component can respond to user interactions. Inherited from DxEditorBase. |
| FilteringMode | Obsolete. This property is now obsolete. Use SearchMode and SearchFilterCondition properties instead. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| GroupFieldName | Specifies the name of a data source field whose values are used to group list items. Inherited from DxListEditorBase<TData, TValue>. |
| GroupHeaderDisplayTemplate | Specifies the template used to display group headers when ComboBox items are grouped. |
| Id | Specifies the component’s unique identifier. Inherited from DxEditorBase. |
| InputCssClass | Assigns a CSS class to the editor’s input. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| InputId | Specifies a unique identifier (ID) of an editor’s input element. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| ItemDisplayTemplate | Specifies a template used to display the ComboBox’s items. |
| ItemTemplate | Obsolete. Specifies a template used to display component items. Inherited from DxListEditorBase<TData, TValue>. |
| KeyFieldName | Specifies the key field used for data item identification when the list editor uses a business object as a value. Inherited from DxListEditorBase<TData, TValue>. |
| KeyFieldNames | Specifies the names of data fields that contain key values. The combination of key values forms a unique identifier for a component item. Inherited from DxListEditorBase<TData, TValue>. |
| ListRenderMode | Specifies how the list editor renders its items. Inherited from DxListEditorBase<TData, TValue>. |
| NullText | Specifies the editor’s prompt text when the editor’s value is null. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| ReadOnly | Specifies whether the read-only mode is active. Inherited from DxEditorBase. |
| SearchDelay | Specifies the delay between a user’s last input in the edit box and the initiation of the search. |
| SearchFilterCondition | Specifies the search and filter condition. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| SearchMode | Specifies whether the component can search for text that users type in the edit box. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| SearchTextParseMode | Specifies how the editor treats search words. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| ShowDropDownButton | Specifies whether the ComboBox displays the built-in button that invokes a drop-down menu. |
| ShowValidationIcon | Specifies whether an editor shows validation icons. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| ShowValidationSuccessState | Specifies whether the editor indicates successful validation. When an input value is valid, the editor displays a green outline and can show a success icon. Inherited from DxEditorBase. |
| SizeMode | Specifies the component’s size. Inherited from DxEditorBase. |
| Text | Specifies the text displayed in the edit box of the ComboBox. |
| TextExpression | Specifies a lambda expression that identifies the Text property’s bound value when a ComboBox is placed in the EditForm. |
| TextFieldName | Specifies the data source field that contains text for component items. Inherited from DxListEditorBase<TData, TValue>. |
| ValidateBy | Specifies which ComboBox property takes part in input validation. |
| ValidationEnabled | Specifies whether the editor validates user input. Inherited from DxEditorBase. |
| Value | Specifies the ComboBox’s selected value/item. |
| ValueExpression | Specifies a lambda expression that identifies the Value property’s bound value when the ComboBox is placed in the EditForm. |
| ValueFieldName | Specifies the data source field that populates values for component items. Inherited from DxListEditorBase<TData, TValue>. |
| Name | Description |
|---|---|
| BeginUpdate() | Suspends component updates caused by parameter changes and method calls until the EndUpdate() method is called. Inherited from DxEditorBase. |
| EndUpdate() | Resumes component updates (when the BeginUpdate() method pauses updates) and re-renders the component. Inherited from DxEditorBase. |
| Equals(Object, Object) static | Determines whether the specified object instances are considered equal. Inherited from Object. |
| Equals(Object) | Determines whether the specified object is equal to the current object. Inherited from Object. |
| FocusAsync() | Moves focus to the editor. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| GetHashCode() | Serves as the default hash function. Inherited from Object. |
| GetType() | Gets the Type of the current instance. Inherited from Object. |
| HideDropDown() | Hides an editor’s drop-down window. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| MemberwiseClone() protected | Creates a shallow copy of the current Object. Inherited from Object. |
| ReferenceEquals(Object, Object) static | Determines whether the specified Object instances are the same instance. Inherited from Object. |
| Reload() | Reloads a list editor’s data. Inherited from DxListEditorBase<TData, TValue>. |
| ShowDropDown() | Displays an editor’s drop-down window. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| ToString() | Returns a string that represents the current object. Inherited from Object. |
| Name | Description |
|---|---|
| DropDownVisibleChanged | Fires when an editor’s drop-down window visibility is changed. Inherited from DxDropDownListEditorBase<TData, TValue>. |
| SelectedDataItemChanged | Fires when the ComboBox’s selected item is changed. |
| SelectedItemChanged | Obsolete. Fires when the ComboBox’s selected item is changed. |
| TextChanged | Allows you to react to the ComboBox editor’s text changes. |
| TextChanging | Fires when the ComboBox editor’s text is being modified. Use this event to validate/cancel user input or item selection. |
| ValueChanged | Fires after the ComboBox’s selected value changed. |
| ValueChanging | Fires when the ComboBox’s selected value is being modified. Use this event to validate/cancel item selection. |
See Also