private void button_logout_Click(object sender, EventArgs e) { this.Hide(); Menu_after_admin_login f1 = new Menu_after_admin_login(); f1.ShowDialog(); this.Close(); }
private void password_txt_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == Convert.ToChar(Keys.Return)) { try { string myConnection = "Server= (local)\\SQLEXPRESS; Database= Connection;User ID=sa;Password=p@ssword13"; SqlConnection myConn = new SqlConnection(myConnection); SqlCommand SelectCommand = new SqlCommand("Select *from login where Username COLLATE Latin1_General_CS_AS ='" + this.username_txt.Text + "'and Pass COLLATE Latin1_General_CS_AS='" + this.password_txt.Text + "';", myConn); SqlDataReader myReader; myConn.Open(); myReader = SelectCommand.ExecuteReader(); int count = 0; while (myReader.Read()) { count = count + 1; } if (count == 1) { MessageBox.Show("Username and Password are correct"); this.Hide(); Menu_after_admin_login f2 = new Menu_after_admin_login(); f2.ShowDialog(); this.Close(); } else { MessageBox.Show("Username and password are not correct"); } myConn.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } } }