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Visual Basic 2015 Unleashed
book

Visual Basic 2015 Unleashed

by Alessandro Del Sole
July 2015
Intermediate to advanced content levelIntermediate to advanced
1300 pages
87h 27m
English
Sams
Content preview from Visual Basic 2015 Unleashed

Inserting Entities

You instantiate a new entity as any other .NET class and then set its properties. The following code shows how you can add a new Product to the Products entity set. Notice how the method receives the belonging category as an argument, which is required for setting the one-to-many relationship:

Sub AddProduct(categoryReference As Category)    Dim aProduct As New Product    aProduct.ProductName = "Italian spaghetti"    aProduct.Discontinued = False    aProduct.QuantityPerUnit = "10"    aProduct.UnitPrice = 0.4D    'Setting the relationship    aProduct.Category = categoryReference    'Adding the new product to the object model    northwind.Products.InsertOnSubmit(aProduct)End Sub

You set property ...

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Publisher Resources

ISBN: 9780134196664Purchase book