/// <summary>
/// Xoa khoa theo ma khoa
/// </summary>
/// <param name="maKhoa"></param>
/// <returns></returns>
public bool Delete(string maKhoa)
{
if (string.IsNullOrEmpty(maKhoa))
{
return(false);
}
KhoaDAO context = new KhoaDAO();
Khoa kh = new Khoa();
try
{
kh = context.GetById(maKhoa);
if (kh != null)
{
LopBLL lopContext = new LopBLL();
List <Lop> lstLop = lopContext.GetByMaKhoa(maKhoa);
if (lstLop.Count == 0)
{
context.Delete(maKhoa);
return(true);
}
}
return(false);
}
catch (Exception ex)
{
Console.WriteLine(ex);
return(false);
}
}
/// <summary>
/// Lay 1 record dua vao ma khoa
/// </summary>
/// <param name="maKhoa"></param>
/// <returns>Khoa</returns>
public Khoa GetById(string maKhoa)
{
if (maKhoa == "" || maKhoa == null)
{
return(null);
}
KhoaDAO context = new KhoaDAO();
try
{
Khoa khoa = context.GetById(maKhoa);
return(khoa);
}
catch (Exception ex)
{
Console.WriteLine(ex);
return(null);
}
}