private void bindGrid() { MergeCode = Convert.ToInt32(ViewState["MergeCode"]); nimsal = ViewState["nimsal"].ToString(); dt = clsB.getMergeCodeClasses(nimsal, MergeCode); grdClassList.DataSource = dt; grdClassList.DataBind(); ViewState.Add("dt", dt); divGrid.Visible = true; if (dt.Rows.Count != 0) { rdbDelete.Visible = true; rdbEdit.Visible = true; } else { rdbDelete.Visible = false; rdbEdit.Visible = false; } }