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04-Jul-2020 13:54

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ALTER PROCEDURE [dbo].[sp_Client Notes_update] @id uniqueidentifier, @ordering smallint = NULL, @title nvarchar(20) = NULL, @content text = NULL AS BEGIN SET NOCOUNT ON; UPDATE tbl_Client Notes SET [email protected], [email protected], [email protected] WHERE [email protected] END I would like to only set the values if they are passed into the SP, i.e. This question seems to suggest the only way is using completely separate queries with conditionals, but for 3 optional parameters this would obviously be a nightmare!In general I'd recommend using the LINQ to SQL designer to configure the SPROCs for the 90% case - and then in more advanced scenarios go in and custom tweak the SPROC invocation code it generates if you need to.We'll begin switching our data model to use SPROCs by starting with the Order object.If you are still reading this, you might be feeling confused about where SPROCs fit into this post.

Let's look at a simple scenario using it where we retrieve an existing customer object, update the customer's Contact Name and Phone Number, and then create a new Order object and associate it with them.Why haven't I showed you how to call a SPROC for doing inserts/updates/deletes instead yet? The way you add data model validation logic is exactly the same (so all the validation rules on our data model classes above still apply when we use SPROCs).