private void btnXoaHS_Click(object sender, EventArgs e)
{
string oldHS = dgvHocSinh.SelectedRows[0].Cells["MaHS"].Value.ToString();
HocSinh hs = _hocSinhRepository.FindByCondition(p => p.MaHS.Equals(oldHS)).Single();
int nguoiDungID = hs.NguoiDungID;
_hocSinhRepository.Delete(hs);
_hocSinhRepository.Update();
NguoiDung nguoiDung = _nguoiDungRepository.FindByCondition(p => p.IDNguoiDung.Equals(nguoiDungID)).Single();
_nguoiDungRepository.Delete(nguoiDung);
_nguoiDungRepository.Update();
LoadHocSinh();
}
public NguoiDung DangNhap(string tenDangNhap, string matKhau)
{
NguoiDung nguoiDung = _nguoiDungRepository.FindByCondition(p => p.TenTaiKhoan.Equals(tenDangNhap) &&
p.MatKhauHash.Equals(matKhau)).SingleOrDefault();
return(nguoiDung);
}
public override bool Validate()
{
string newNguoiDung = ControlToValidate.Text;
TextBox textBox = (TextBox)ControlToValidate;
textBox.Undo();
string oldNguoiDung = textBox.Text;
textBox.Text = newNguoiDung;
NguoiDungRepository nguoiDungRepository = new NguoiDungRepository();
NguoiDung tenTaiKhoang = nguoiDungRepository.FindByCondition(p => p.TenTaiKhoan.Equals(newNguoiDung) && !p.TenTaiKhoan.Equals(oldNguoiDung)).SingleOrDefault();
if (tenTaiKhoang != null)
{
return(false);
}
return(true);
}