private void btnDelete_Click(object sender, EventArgs e)
{
StudentDAL potentialStudentDAL = new StudentDAL();
SignupDAL sgDAL = new SignupDAL();
potentialStudentDAL.ConnectToDatabase();
StudentDTO currentObject = (StudentDTO)dgvListStudent.CurrentRow.DataBoundItem;
DialogResult rs = MessageBox.Show("Bạn muốn xoá học viên: " + currentObject.StudentId, "Thông báo", MessageBoxButtons.YesNo);
if (rs == DialogResult.Yes)
{
try
{
if (sgDAL.DeleteSignupStudent(currentObject.StudentId) && potentialStudentDAL.DeleteStudent(currentObject.StudentId))
{
MessageBox.Show("Xoá học viên thành công!!!");
this.Close();
OfficalStudentForm f = new OfficalStudentForm();
f.Show();
}
}
catch (Exception)
{
MessageBox.Show("Xoá học viên thất bại!!!");
}
}
}
public static bool DeleteStdBusiness(int entity)
{
if (entity >= 0)
{
return(StudentDAL.DeleteStudent(entity));
}
return(false);
}
private void btnConfirm_Click(object sender, EventArgs e)
{
StudentDTO currentObject = (StudentDTO)dgvListStudent.CurrentRow.DataBoundItem;
StudentDAL potentialStudentDAL = new StudentDAL();
potentialStudentDAL.ConnectToDatabase();
potentialStudentDAL.DeleteStudent(currentObject.StudentId);
}
public void DeleteStudent(int id)
{
try
{
Student student = _context.Student.Find(id);
if (student != null)
{
_studentDAL.DeleteStudent(student);
}
}
catch (Exception ex)
{
throw new Exception("Error from StudentBLL: " + ex.Message.ToString());
}
}
private void button4_Click(object sender, EventArgs e)
{
int row = dataGridView1.CurrentRow.Index;
if (row >= 0)
{
string syudNo = dataGridView1.Rows[row].Cells[0].Value.ToString();
if (studentDAL.DeleteStudent(syudNo) > 0)
{
getData();
}
else
{
MessageBox.Show("删除失败！");
}
}
else
{
MessageBox.Show("请先选择学生！");
}
}
public int Delete(int id)
{
return(obj.DeleteStudent(id));
}
public int DeleteStudent(int studentId)
{
return objStudentDAL.DeleteStudent(studentId);
}
public void DeleteStudent(int studentID)
{
StudentDAL.DeleteStudent(studentID);
}
