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ASPxDropDownEdit

The ASPxDropDownEdit allows you to place any content inside its drop-down window.

The image below demonstrates the ASPxDropDownEdit control that contains the ASPxListBox and the ASPxButton controls.

ASPxDropDown_checkbox_list

Features

  • Templates (See demo)

    You can use templates to specify the control's content (ASPxDropDownEdit.DropDownWindowTemplate).

  • Null Prompt Text

    You can use the editor's ASPxDropDownEdit.NullText property to display a prompt in the editor's edit box. The prompt text disappears when the editor receives focus.

  • Button Collection

    The ASPxDropDownEdit control allows you to create custom edit buttons (ASPxDropDownEdit.Buttons.

  • Validation

    The ASPxDropDownEdit control allows you to validate its data on the client and server side.

Visual Elements

ASPxDropDownEdit-VisualElements

Example

<dx:ASPxDropDownEdit ClientInstanceName="checkComboBox" ID="ASPxDropDownEdit1" ...>    
    <DropDownWindowTemplate>
        <dx:ASPxListBox Width="100%" ID="listBox" ...>
            <Items> 
            ...
            </Items>
        </dx:ASPxListBox>
        <table style="width: 100%">
            <tr>
            ...
            </tr>
        </table>
    </DropDownWindowTemplate>
</dx:ASPxDropDownEdit>  

Online Demos