private void btn_hack_Click(object sender, EventArgs e) { this.Hide(); frmmainmenu frm1 = new frmmainmenu(); frm1.Show(); }
private void msgshow() { string check = ""; for (int n = 0; n < dataGridView1.Rows.Count; n++) { check = dataGridView1.Rows[n].Cells[5].Value.ToString(); mymail = dataGridView1.Rows[n].Cells[0].Value.ToString(); gurmail = dataGridView1.Rows[n].Cells[1].Value.ToString(); myname = dataGridView1.Rows[n].Cells[2].Value.ToString(); string myfname = dataGridView1.Rows[n].Cells[3].Value.ToString(); string myroll = dataGridView1.Rows[n].Cells[4].Value.ToString(); { if (check != "True") { con.Open(); OleDbCommand cmd = new OleDbCommand("insert into absentdata (studentid, stu_name, stu_fname, period, absenton) values ('" + myroll.ToString() + "','" + myname.ToString() + "','" + myfname.ToString() + "','" + cmb_period.Text.ToString() + "','" + DateTime.Now.ToShortDateString() + "')", con); cmd.ExecuteNonQuery(); con.Close(); msgsent(); } } } frmmainmenu mainmenu = new frmmainmenu(); this.Hide(); mainmenu.Show(); }
private void btn_delete_Click(object sender, EventArgs e) { DialogResult result = new DialogResult(); result = MessageBox.Show("Are you sure to Delete the current Record", "Delete Confirm", MessageBoxButtons.YesNo, MessageBoxIcon.Question); if (result == DialogResult.Yes) { con.Open(); OleDbCommand cmd = new OleDbCommand("delete from student where enrol='" + cmb_enrol.Text.ToString() + "'", con); int temp = cmd.ExecuteNonQuery(); if (temp > 0) { MessageBox.Show("Record Delete Successfully"); } else { MessageBox.Show("Sorry Record not deleted"); } con.Close(); this.Hide(); frmmainmenu frm1 = new frmmainmenu(); frm1.Show(); } }