Linq to Sql: default SQL default

I have read several posts about this problem but did not find a solution to the problem I was facing.

My entity model contains several date properties that need to be set at the SQL server level. Here's an example:

 [Column(IsDbGenerated = true)]
 public DateTime DateCreated { get; set; }

      

DateCreated is a date type in SQL Server and its default is GETDATE ().

[DateCreated]      DATE           DEFAULT (getdate()) NOT NULL,

      

In fact, saving a new record (without passing any DateCreated value) results in the insertion of the value "1/1/0001" (ie null datetime). It looks like Linq is overriding the server's default GETDATE () by forcing it to be "null".

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sql-server linq asp.net-mvc


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1 answer


You must use DatabaseGenerationOption.Identity

.

Here are two links that explain further:



  • Entity Framework Structure Annotations First Data Annotations

  • How do I tell Entity Framework to allow SQL Server to provide a specific default value for a field?

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