public void grdEstimateMaterials_DeleteCommand(object sender, DataGridCommandEventArgs e)
{
contingency _wc = new contingency();
String DetailId = "";
DetailId = grdEstimateMaterials.DataKeys[Convert.ToInt32(e.Item.ItemIndex)].ToString();
Whitfieldcore _dbClass = new Whitfieldcore();
_wc.DeleteContingency(Convert.ToInt32(DetailId));
_wc.DeleteSubContingencyForContingency(Convert.ToInt32(DetailId));
DataSet dsGridResults = _wc.FetchContingencyData();
PopulateDataGrid(dsGridResults, grdEstimateMaterials);
}