public OrderOperations()
{
db = new Database1Entities();
}
public SupplierOperations()
{
db = new Database1Entities();
}
public ProductOperations()
{
db = new Database1Entities();
}
public CustomerOperations()
{
db = new Database1Entities();
}
public CostOperations()
{
db = new Database1Entities();
}
