public ProductCategoryDAO()
{
db = new BanMuDbContext();
}
public EmployeeDAO()
{
db = new BanMuDbContext();
}
public SalaryDAO()
{
db = new BanMuDbContext();
}
public StockInDAO()
{
db = new BanMuDbContext();
}
public ProductDAO()
{
db = new BanMuDbContext();
}
