Set up to reproduce:
<telerik:RadGrid ID="RadGrid1" runat="server" ....>
<MasterTableView EditMode="Batch" ....>
<BatchEditingSettings HighlightDeletedRows="true" />
<Columns>
<telerik:GridBoundColumn DataField="OrderID" Display="false" UniqueName="OrderID">
</telerik:GridBoundColumn>
<telerik:GridDateTimeColumn DataField="OrderDate" DataType="System.DateTime"
FilterControlAltText="Filter OrderDate column" HeaderText="OrderDate"
SortExpression="OrderDate" UniqueName="OrderDate">
</telerik:GridDateTimeColumn>
....