private void bk_Click(object sender, EventArgs e) { if (gar == 2) { dept d = new dept(); d.Show(); this.Hide(); } else if (gar == 4) { select d = new select(); d.Show(); this.Hide(); } }
private void button1_Click(object sender, EventArgs e) { try { if (!(usertxt.Text == string.Empty)) { if (!(passtxt.Text == string.Empty)) { String str = "Server=.;Database=store1;Trusted_Connection=True;"; String query = "select * from login where uname = '" + usertxt.Text + "'and pass = '******'"; SqlConnection con = new SqlConnection(str); SqlCommand cmd = new SqlCommand(query, con); SqlDataReader dbr; con.Open(); dbr = cmd.ExecuteReader(); int count = 0; while (dbr.Read()) { count = count + 1; } if (count == 1) { login obj = new login(); select dmain = new select(); dmain.Show(); //after login Redirect to second window this.Hide(); //after login hide the Login window } else if (count > 1) { MessageBox.Show("Duplicate username and password", "login page"); } else { MessageBox.Show(" username and password incorrect", "login page"); } } else { MessageBox.Show(" password empty", "login page"); } } else { MessageBox.Show(" username empty", "login page"); } // con.Close(); } catch (Exception es) { MessageBox.Show(es.Message); } }