private void btnAdd_Click(object sender, EventArgs e)
{
#region Data Not Empty Validate
if (this.txtFName.Text.Trim().Length == 0)
{
MessageBox.Show("Please entry the Student First Name");
this.txtFName.Focus();
return;
}
if (this.txtLName.Text.Trim().Length == 0)
{
MessageBox.Show("Please entry the Student Last Name");
this.txtLName.Focus();
return;
}
if (!this.rdoMale.Checked && !this.rdoFemale.Checked)
{
MessageBox.Show("Select the Student Gender");
return;
}
if (DateTime.Now.Year - Convert.ToDateTime(this.dateTimePicker1.Text).Year < 16)
{
MessageBox.Show("Student age cant beyond 16");
this.dateTimePicker1.Focus();
return;
}
if (this.cboClassName.SelectedIndex == -1)
{
MessageBox.Show("Please select the Class !");
return;
}
if (this.txtStudentId.Text.Trim().Length == 0)
{
MessageBox.Show("Student ID can't empty");
this.txtStudentId.Focus();
return;
}
if (this.txtPhoneNumber.Text.Trim().Length == 0)
{
MessageBox.Show("PhoneNumber can't empty");
this.txtPhoneNumber.Focus();
return;
}
#endregion
#region Data Format Validate
if (!DataValidate.IsIdentityStudentID(this.txtStudentId.Text.Trim()))
{
MessageBox.Show("StudentId Must have 10 figures");
this.txtStudentId.Focus();
return;
}
#endregion
//Judge the StudentIsExisted
if (this.objStudentService.IsStudentIDExitsed(this.txtStudentId.Text.Trim()))
{
MessageBox.Show("StudentId Existed ,Please entry different StudentId ");
this.txtStudentId.Focus();
return;
}
//encapsulation
Student objStudent = new Student()
{
FirstName = this.txtFName.Text.Trim(),
LastName = this.txtLName.Text.Trim(),
Gender = rdoMale.Checked ? "Male" : "Female",
Birthday = Convert.ToDateTime(this.dateTimePicker1.Text),
Age = DateTime.Now.Year - Convert.ToDateTime(this.dateTimePicker1.Text).Year,
ClassId = Convert.ToInt32(this.cboClassName.SelectedValue),
StudentIdNo = Convert.ToInt32(this.txtStudentId.Text.Trim()),
PhoneNumber = this.txtPhoneNumber.Text.Trim(),
Address = this.txtAddress.Text.Trim(),
StuImage = this.pbStu.Image == null ? "" : new SerializeObjectToString().SerializeObject(this.pbStu.Image)
};
try
{
int result = objStudentService.AddStudent(objStudent);
if (result == 1)
{
DialogResult dresult = MessageBox.Show("Add Successful ! keep going ?", "other Studnet ", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (dresult == DialogResult.OK)
{
//clean controls in groupbox
foreach (Control item in this.gbStudentInfo.Controls)
{
if (item is TextBox)
{
item.Text = "";
}
else if (item is RadioButton)
{
((RadioButton)item).Checked = false;
}
else if (item is ComboBox)
{
((ComboBox)item).SelectedIndex = -1;
}
}
this.pbStu.Image = null;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
