protected void cbCheck_CheckedChanged(object sender, EventArgs e) { ASPxCheckBox cb = sender as ASPxCheckBox; GridViewDataItemTemplateContainer container = cb.NamingContainer as GridViewDataItemTemplateContainer; cb.ClientInstanceName = String.Format("cbCheck{0}", container.VisibleIndex); //cb.Checked = GridViewDC.Selection.IsRowSelected(container.VisibleIndex); string sno = ""; if (cb.Checked) { } sno = GridViewDC.GetRowValues(container.VisibleIndex, "PartItemNo").ToString(); UpdateGrid(sno, cb.Checked); string t = ""; //GridViewDC.GetRowValues(GridViewDC.FocusedRowIndex, "Selected").ToString(); }