private void LoadResponseGrid(string sortExpr)
{
ProjectManagementDa projDA = new ProjectManagementDa();
DataTable dt = projDA.GetLOIResponse(ProjectLetterOfIntentId);
dt.DefaultView.Sort = sortExpr;
if (dt.DefaultView.Table.Rows.Count == 0)
{
EmptyMessageLabel.Visible = true;
}
else
{
EmptyMessageLabel.Visible = false;
ResponseGrid.DataSource = dt.DefaultView;
ResponseGrid.DataBind();
}
}