private void buttonback_Click(object sender, EventArgs e) { this.Hide(); TeacherDashBoard B = new TeacherDashBoard(s); B.Show(); }
private void tBackBtn_Click(object sender, EventArgs e) { this.Hide(); TeacherDashBoard TD = new TeacherDashBoard(a); TD.Show(); }
private void LoginBtn_Click(object sender, EventArgs e) { con = new SqlConnection(@"data source= rafi\SqlExpress;" + "database= Course;" + "integrated security= SSPI"); cmd = new SqlCommand("SELECT * from login", con); //cmd.Parameters.AddWithValue("@idid", IdBox.Text); //cmd.Parameters.AddWithValue("@pass", PassBox.Text); con.Open(); bool flag = false; using (SqlDataReader oReader = cmd.ExecuteReader()) { while (oReader.Read()) { string uid = oReader["ID"].ToString(); string pass = oReader["Password"].ToString(); int stat = Convert.ToInt32(oReader["Status"]); if (uid.Equals(IdBox.Text) && pass.Equals(PassBox.Text)) { flag = true; if (stat == 1) { this.Hide(); Admin a = new Admin(); a.Show(); } else if (stat == 2) { this.Hide(); Student_1 a = new Student_1(uid); a.Show(); } else { this.Hide(); TeacherDashBoard a = new TeacherDashBoard(uid); a.Show(); } } } if (!flag) { MessageBox.Show("Error"); } } }