public DataTable load_nhanvien()
{
string sql = "LOAD_NHANVIEN";
return(ketnoi.Load_Data(sql));
}
public DataTable load_douong()
{
string sql = "LOAD_DOUONG";
return(ketnoi.Load_Data(sql));
}
public DataTable load_hoadon()
{
string sql = "LOAD_HOADON";
return(ketnoi.Load_Data(sql));
}
public DataTable load_ban()
{
string sql = "LOAD_BAN";
return(ketnoi.Load_Data(sql));
}
public DataTable load_dmdouong()
{
string sql = "LOAD_DANHMUC";
return(ketnoi.Load_Data(sql));
}
public DataTable load_taikhoan()
{
string sql = "LOAD_TAIKHOAN";
return(ketnoi.Load_Data(sql));
}
public DataTable load_hinhnv()
{
string sql = "LOAD_HINHNV";
return(ketnoi.Load_Data(sql));
}