Update and Delete Data With DataGridView in Windows Form Using

private void findlaksajob_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)13)
            {
                string sql = "SELECT [Jobcard],[Planqty],[Mouldqty],[Operator],[Supervisor],[Profilename],[Process],[Date],[Remark],[Approvedby],[id],[Division],[Od] FROM [SAPProduction].[ProductionData] WHERE JobCard ='" + findlaksajob.Text.ToString() + "'";
                SqlDataAdapter da = new SqlDataAdapter(sql, objConn1);
                DataSet ds = new DataSet();
                objConn1.Open();
                da.Fill(ds, "ProductionData");
                dataGridView2.DataSource = ds;
                dataGridView2.DataMember = "ProductionData";
                objConn1.Close();
                e.Handled = true;
            }
 
        }