public void grdEstimateMaterials_UpdateCommand(object sender, DataGridCommandEventArgs e)
{
String DetailId = grdEstimateMaterials.DataKeys[Convert.ToInt32(e.Item.ItemIndex)].ToString();
contingency _wc = new contingency();
_wc.UpdateContingency(Convert.ToInt32(DetailId), ((TextBox)(e.Item.FindControl("txtdesc"))).Text);
grdEstimateMaterials.EditItemIndex = -1;
grdEstimateMaterials.ShowFooter = true;
DataSet dsGridResults = _wc.FetchContingencyData();
PopulateDataGrid(dsGridResults, grdEstimateMaterials);
}