public void Add(Invoice _Invoice)
{
db.Invoices.Add(_Invoice);
db.SaveChanges();
}
public void Add(Product _Product)
{
db.Products.Add(_Product);
db.SaveChanges();
}
public void Add(Customer _Customer)
{
db.Customers.Add(_Customer);
db.SaveChanges();
}
public void Add(Invoice_details _Invoice_Details)
{
db.Invoice_details.Add(_Invoice_Details);
db.SaveChanges();
}