Now we have concurrent support added to the service let's test it with the built-in WCF Test Client.
Press Ctrl + F5 to start the program. Click on GetProduct, enter a valid product ID, and then click on the Invoke button to get the product details. You should have a screen like the following image.
From this image we know the product,
RowVersion, is returned from the database to the client. It is of the
Now click on UpdateProduct and enter the same product ID, a new name, quantity per unit, and unit price. However, you can't enter a value to the
RowVersion field for this update because it is of ...