//public int XoaSV(int id) //{ // try // { // //string sql = String.Format("delete from SinhVien where MaSV = {0}", id); // string sql = "delete from SinhVien where MaSV = " + id.ToString(); // return dp.ExcuteNonquery(sql, CommandType.Text, null); // } // catch (Exception ex) // { // throw ex; // } //} public int XoaSV(int id) { try { dp.Con(); //string sql = String.Format("delete from SinhVien where MaSV = {0}", id); string sql = "delete from SinhVien where MaSV = " + id; return(dp.ExecTest(sql)); } catch (Exception ex) { throw ex; } }