private void Save()
{
studentBusiness = new StudentBusiness(studentDataAccess);
CurrentOperation = (Operation)ViewState["CurrentOperation"];
Student student = new Student();
if (CurrentOperation != Operation.ADD)
{
student.ID = Convert.ToInt32(txtStudentID.Text);
}
student.StudFirstName = txtStudentFirstName.Text;
student.StudMiddleName = txtStudentMiddleName.Text;
student.StudLastName = txtStudentLastName.Text;
student.Department = new Department();
student.Department.ID = Convert.ToInt32(ddlDepartments.SelectedValue);
studentDataAccess = new StudentDataAccess();
studentBusiness = new StudentBusiness(studentDataAccess);
try
{
bool success = false;
if (CurrentOperation == Operation.ADD)
{
success = studentBusiness.AddStudent(student);
lblSuccessMessage.Text = "Student was added successfully";
}
else if (CurrentOperation == Operation.UPDATE)
{
success = studentBusiness.UpdateStudent(student);
lblSuccessMessage.Text = "Student was updated successfully";
}
else if (CurrentOperation == Operation.DELETE)
{
success = studentBusiness.DeleteStudent(Convert.ToInt32(txtStudentID.Text));
lblSuccessMessage.Text = "Student was delete successfully";
}
if (success)
{
divSuccess.Visible = true;
BindData();
}
else
{
divError.Visible = true;
}
}
catch (Exception ex)
{
lblError.Text = ex.Message;
divError.Visible = true;
}
txtStudentID.Text = string.Empty;
txtStudentFirstName.Text = string.Empty;
txtStudentMiddleName.Text = string.Empty;
txtStudentLastName.Text = string.Empty;
ddlDepartments.SelectedIndex = 0;
CurrentOperation = Operation.ADD;
ViewState["CurrentOperation"] = CurrentOperation;
}
public async Task <IActionResult> DeleteStudent(int id)
{
var deleted = await _StudentBusiness.DeleteStudent(id);
if (deleted)
{
return(Ok("Deleted successfully"));
}
return(BadRequest());
}
public IHttpActionResult DeleteStudent(int id)
{
try
{
var deleted_student = _stuentbusiness.DeleteStudent(id);
if (deleted_student)
{
return(Ok("Deleted Successfully"));
}
return(NotFound());
}
catch (Exception ex)
{
return(BadRequest(ex.Message));
}
}
public bool DeleteStudent(int ID)
{
return(_studentBusiness.DeleteStudent(ID));
}
