private void NEditStudentBtn_Click(object sender, EventArgs e)
{
this.Hide();
StudentList slist = new StudentList();
slist.ShowDialog();
}
private void Update()
{
student1.SNAME = txtName.Text.Trim();
student1.SADDRESS = txtAddress.Text.Trim();
student1.SEMAIL = txtEmail.Text.Trim();
student1.SGDNAME = txtGDName.Text.Trim();
student1.SGDCONTACT = txtGDContact.Text.Trim();
student1.SDOB = dateTimePickerDOB.Value;
student1.Grade = comboBoxGrade.Text.Trim();
student1.ClassName = comboBoxClass.Text.Trim();
using (SchoolManagementSystemDBEntities db = new SchoolManagementSystemDBEntities())
{
if (student1.SID == 0)
{
db.Students.Add(student1);
}
else
{
db.Entry(student1).State = EntityState.Modified;
}
db.SaveChanges();
}
MessageBox.Show("Student Details Updated Sucessfully");
this.Hide();
StudentList slist = new StudentList();
slist.ShowDialog();
}
private void Save()
{
try
{
var student = new StudentModel()
{
SName = txtName.Text.Trim(),
SEmail = txtEmail.Text.Trim(),
SAddress = txtAddress.Text.Trim(),
SGDName = txtGDName.Text.Trim(),
SGDContact = txtGDContact.Text.Trim(),
SDob = dateTimePickerDOB.Value,
SGender = gender,
SGrade = comboBoxGrade.Text.Trim(),
SClass = comboBoxClass.Text.Trim()
};
ValidationContext context = new ValidationContext(student);
List <ValidationResult> errorList = new List <ValidationResult>();
var error = string.Empty;
if (!Validator.TryValidateObject(student, context, errorList, true))
{
foreach (ValidationResult result1 in errorList)
{
error = error + result1.ErrorMessage + "\r\n";
}
MessageBox.Show(error);
return;
}
var data = new StudentData();
bool result = data.SaveStudent(student);
if (result)
{
MessageBox.Show("Student Account Added Sucessfully");
this.Hide();
StudentList slist = new StudentList();
slist.ShowDialog();
}
else
{
MessageBox.Show("Student Account Added unsucessfully");
}
}
catch (Exception ex)
{
throw ex;
}
}
private void delete()
{
if (MessageBox.Show("Are You Sure to Delete this Account?", "EF CRUD Operetion", MessageBoxButtons.YesNo) == DialogResult.Yes)
{
using (SchoolManagementSystemDBEntities db = new SchoolManagementSystemDBEntities())
{
var entry = db.Entry(student1);
if (entry.State == EntityState.Detached)
{
db.Students.Attach(student1);
}
db.Students.Remove(student1);
db.SaveChanges();
MessageBox.Show("Student Account Deleted Sucessfully");
this.Hide();
StudentList slist = new StudentList();
slist.ShowDialog();
}
}
}