public bool InsertCategory(Category category)
{
try
{
contextDB.Categories.Add(category);
contextDB.SaveChanges();
return true;
}
catch { return false; }
}
public bool InsertProduct(Product product)
{
try
{
contextDB.Products.Add(product);
contextDB.SaveChanges();
return(true);
}
catch { return(false); }
}
public Boolean Inserted(Bill bills)
{
try
{
contextDB.Bills.Add(bills);
contextDB.SaveChanges();
return(true);
}
catch (Exception ex) { return(false); }
}
