Ejemplo n.º 1
0
 private bool ValidateInput()
 {
     if (TxtLoginId.Text == "")
     {
         MessageBox.Show("请输入用户名", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         TxtLoginId.Focus();
         return(false);
     }
     if (TxtLoginPwdAgain.Text == "")
     {
         MessageBox.Show("请输入密码", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         TxtLoginPwdAgain.Focus();
         return(false);
     }
     if (TxtLoginPwdAgain.Text == "")
     {
         MessageBox.Show("请输入密码", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         TxtLoginPwdAgain.Focus();
         return(false);
     }
     if (!(TxtLoginPwd.Text == TxtLoginPwdAgain.Text))
     {
         MessageBox.Show("两次输入密码不一致", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         TxtLoginPwdAgain.Focus();
         return(false);
     }
     if (!RadioActive.Checked && !RadioInActive.Checked)
     {
         MessageBox.Show("请设置用户状态", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         RadioActive.Focus();
         return(false);
     }
     if (TxtStudentName.Text == "")
     {
         MessageBox.Show("请输入学员姓名", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         TxtStudentName.Focus();
         return(false);
     }
     if (TxtId.Text == "")
     {
         MessageBox.Show("请输入学员学号", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         TxtId.Focus();
         return(false);
     }
     if (!RadioMale.Checked && !RadioFemale.Checked)
     {
         MessageBox.Show("请选择学员性别", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         RadioMale.Focus();
         return(false);
     }
     if (CboClass.Text == "")
     {
         MessageBox.Show("请选择学员班级", "输入提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         CboClass.Focus();
         return(false);
     }
     return(true);
 }
Ejemplo n.º 2
0
        private void BtnAddStudent_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                //if ( string.IsNullOrEmpty(TxtStudentName.Text) || string.IsNullOrEmpty(TxtMatricNo.Text) || string.IsNullOrEmpty(TxtTagId.Text) )
                if (string.IsNullOrEmpty(TxtStudentName.Text) || string.IsNullOrEmpty(TxtMatricNo.Text))
                {
                    MessageBox.Show(@"All field required");
                    return;
                }

                if (IsMatricNo(TxtMatricNo.Text.Trim()) == false)
                {
                    MessageBox.Show("Enter a valid MatricNo!");
                    return;
                }

                // TODO: save to tag
                //WRITE
                string cmd = "WRITE";
                SendMessage(cmd);
                MessageBox.Show("Place card on RFID reader");

                Thread.Sleep(1000); // wait for (1sec) before saving to database
                //Thread.Sleep(TimeSpan.FromSeconds(1));
                //Task.Delay(100) --wait for a particular seconds before saving to db
                var res = _receivedData;

                var student = new Student
                {
                    Name     = TxtStudentName.Text.Trim(),
                    MatricNo = TxtMatricNo.Text.Trim(),
                    //TagID = TxtTagId.Text.Trim(),
                    TagID      = _receivedData,
                    Department = StudentDept.Text
                };

                var maxId = (_db.Students.Select(p => (int?)p.ID).Max() ?? 0) + 1;

                student.ID = maxId;

                try
                {
                    _db.Students.AddObject(student);
                }
                catch
                {
                    _repo.Students = new List <Student> {
                        student
                    };
                }



                _db.SaveChanges();
                //MessageBox.Show("Created successfully");

                Refresh();
                itemListView.ScrollIntoView(student);

                TxtStudentName.Clear();
                TxtMatricNo.Clear();
                TxtTagId.Clear();


                /*_db.SaveChanges();
                 * Refresh();
                 * itemListView.ScrollIntoView(student);
                 *
                 * // TODO: successful account
                 * //ACCOUNT_CREATED
                 * string cmd = "ACCOUNT_CREATED";
                 * SendMessage(cmd);
                 * TxtStudentName.Clear();
                 * TxtMatricNo.Clear();
                 * TxtTagId.Clear();*/
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }