private void btnaddAttendance_Click(object sender, EventArgs e) { this.Hide(); AddClassAttendace cl = new AddClassAttendace(); cl.Show(); }
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { if (ClassAttendanceRecord.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString() == "Edit") { Class1.stuId = Convert.ToInt32(ClassAttendanceRecord.Rows[e.RowIndex].Cells[0].Value); this.Hide(); AddClassAttendace cl = new AddClassAttendace(); cl.Show(); } if (ClassAttendanceRecord.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString() == "Delete") { int Id = Convert.ToInt32(ClassAttendanceRecord.Rows[e.RowIndex].Cells[0].Value); if (MessageBox.Show("Are you sure to perform this action!?" + ClassAttendanceRecord.Rows[e.RowIndex].Cells[1].Value.ToString() + "?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { SqlConnection newconn = new SqlConnection(con); newconn.Open(); SqlCommand command = new SqlCommand("delete from StudentAttendance where AttendanceId = '" + Id + "'", newconn); command.ExecuteNonQuery(); newconn.Close(); newconn.Open(); SqlCommand command1 = new SqlCommand("delete from ClassAttendance where Id = '" + Id + "'", newconn); command1.ExecuteNonQuery(); newconn.Close(); this.classAttendanceTableAdapter.Fill(this.projectBDataSet.ClassAttendance); } } }