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V22.1

ASPxClientTreeListCellSelectionChangingEventArgs Class

Contains data for the CellSelectionChanging event.

Declaration

declare class ASPxClientTreeListCellSelectionChangingEventArgs extends ASPxClientCancelEventArgs

Remarks

The ASPxClientTreeListCellSelectionChangingEventArgs object is used as an argument for the client-side CellSelectionChanging event.

Web Forms:

<dx:ASPxTreeList ID="treeList" runat="server" ...>
    <ClientSideEvents 
        CellSelectionChanging="onCellSelectionChange" />
    <SettingsEditing Mode="Batch">
        <BatchEditSettings EnableMultipleCellSelection="True" />
    </SettingsEditing>
    <Columns>
      <dx:TreListComboBoxColumn FieldName="CategoryID" Caption="Category Name" />
      ...
    </Columns>
</dx:ASPxTreeList>
function onCellSelectionChange(s, e) {
    if (e.cellInfo.column.fieldName == 'CategoryID') {
        // your code
        e.cancel = true;
    }
}

MVC:

@Html.DevExpress().TreeList(settings => {
    settings.Name = "treeList";
    settings.ClientSideEvents.CellSelectionChanging = "function (s, e) { 
        if (e.cellInfo.column.fieldName == 'CategoryID') {
          // your code
          e.cancel = true;
        }
    }"; 
    settings.Columns.Add("CategoryID");
    ...
}).Bind(Model).GetHtml()

Inheritance

ASPxClientEventArgs
ASPxClientCancelEventArgs
ASPxClientTreeListCellSelectionChangingEventArgs
See Also