protected void btn_select_delete_Click(object sender, EventArgs e) { try { tbl_disaster_master_BAL objbal = new tbl_disaster_master_BAL(); tbl_disaster_master_DAL objdal = new tbl_disaster_master_DAL(); foreach (GridViewRow row in gvlist.Rows) { var check = row.FindControl("chkselect") as CheckBox; if (check.Checked) { var id = row.FindControl("Hiddenid") as HiddenField; objdal.int_disaster_id = Convert.ToInt16(id.Value); objbal.delete_data(objdal); binddata(""); } } } catch (Exception ex) { } }