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Asked: 2026-06-06T06:45:57+00:00

I used the following SQL script to enable setting current time in a field,

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I used the following SQL script to enable setting current time in a field, when a new row is added to a table:

ALTER TABLE [Items] ADD CONSTRAINT DF_Items DEFAULT GETDATE() FOR [CreationDate]

Now I am using Entity Framework to work with this table, and add new rows to it. What I want to do is allow that specific column to receive its value from SQL Server itself, and not have to provide the value myself.
Setting that specific column’s value to Nothing in Visual Basic fills the field with DateTime.MinValue, which is not what I want (and SQL Server doesn’t support, by the way).

What changes do I have to make to make this work?

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1 Answer

  1. Editorial Team

    You must set StoreGeneratedPattern in EDMX designer (or DatabaseGeneratedOption in code first) to Identity for that date property. EF always sends .NET default value for not filled property which is not store generated. Setting the pattern to Identity will tell EF that value is generated in DB during insert and it will requery its value. If you change the pattern from default value you will not be able to set the property in your application.

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