or
grdMSC.MasterTableView.DetailTables[0].Columns[1].HeaderText = "Equipment";
grdMSC.MasterTableView.DetailTables[0].Columns[2].HeaderText = "Vendor";
<telerik:GridCalculatedColumn Aggregate="Custom" DataType="System.TimeSpan" DataFields="DATE_EXPIRED,TRIAL_REQUEST_DATE" Expression="{0}-{1}" UniqueName="column"></telerik:GridCalculatedColumn> |
<telerik:GridDateTimeColumn DataField="DATE_EXPIRED" DataFormatString="{0:d}" HeaderText="Expired" UniqueName="DATE_EXPIRED" ></telerik:GridDateTimeColumn> |
<telerik:GridBoundColumn DataField="TRIAL_REQUEST_DATE" HeaderText="Requested" SortExpression="TRIAL_REQUEST_DATE" DataFormatString="{0:d}" UniqueName="TRIAL_REQUEST_DATE"> |
</telerik:GridBoundColumn> |