private void button2_Click_1(object sender, EventArgs e) { this.Hide(); Attendence c = new Attendence(); c.Show(); }
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e) { if (dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString() == "Edit") { dash.classAttendence = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells[0].Value); dash.stdAttendence = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells[1].Value); this.Hide(); Attendence addAttendence = new Attendence(); addAttendence.Show(); } if (dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value.ToString() == "Delete") { int Attendence = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells[0].Value); int StudentAttendence = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells[1].Value); if (MessageBox.Show("Do you want to delete " + dataGridView1.Rows[e.RowIndex].Cells[1].Value.ToString() + "?", "Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes) { SqlConnection connect = new SqlConnection(cnn); connect.Open(); SqlCommand command = new SqlCommand("DELETE FROM StudentAttendance WHERE AttendanceId='" + Attendence + "' AND StudentId = '" + StudentAttendence + "'", connect); command.ExecuteNonQuery(); connect.Close(); this.studentAttendanceTableAdapter.Fill(this.projectBDataSet1.StudentAttendance); } } }