コード例 #1
0
 private void LoginLogin_Click(object sender, EventArgs e)
 {
     if (Username.Text.Length == 0)
     {
         MessageBox.Show("Please enter username.", "Access denied", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
     else if (Password.Text.Length == 0)
     {
         MessageBox.Show("Please enter password.", "Access denied", MessageBoxButtons.OK, MessageBoxIcon.Information);
     }
     else
     {
         try
         {
             StudentServices service   = new StudentServices();
             List <string>   loginUser = service.LoginAccess(Username.Text, Password.Text);
             Password.Text = "";
             if (loginUser.Count > 0)
             {
                 if (Username.Text == "giaovu")
                 {
                     ManagerForm newForm = new ManagerForm();
                     Visible = false;
                     newForm.ShowDialog();
                     Visible = true;
                 }
                 else
                 {
                     StudentForm newForm = new StudentForm(loginUser);
                     Visible = false;
                     newForm.ShowDialog();
                     Visible = true;
                 }
             }
             else
             {
                 MessageBox.Show("Wrong username or password.", "Access denied", MessageBoxButtons.OK, MessageBoxIcon.Stop);
             }
         }
         catch (Exception ex)
         {
             MessageBox.Show(ex.Message);
         }
     }
 }