ASPxClientComboBox.SetSelectedIndex(index) Method

Sets the combobox editor’s selected item specified by its index.

Declaration

SetSelectedIndex(
    index: number
): void

Parameters

Name	Type	Description
index	number	The index of the item to select.

Remarks

Use the SetSelectedIndex method on the client side to specify the selected item’s index in the combobox editor. If you pass -1 as the parameter, no item is selected in the editor.

ASPX

<script type="text/javascript" >
function OnClick(s, e) {
  comboBox.SetSelectedIndex(1); 
}
</script>

<dxe:ASPxComboBox ID="ASPxComboBox1" runat="server" width="200px" MaxLength="50" ClientInstanceName="comboBox">
    <Items>
        <dxe:ListEditItem Text="Contract" Value="0" />
        <dxe:ListEditItem Text="Full Time" Value="1" />
        <dxe:ListEditItem Text="Part Time" Value="2" />
    </Items>
</dxe:ASPxComboBox>

<dx:ASPxButton ID="ASPxButton1" runat="server" Text="Select Item by Index" AutoPostBack="false">
    <ClientSideEvents Click="OnClick" />
</dx:ASPxButton>

Online Example

• ComboBox - How to filter a large data source and automatically select the first item