Cannot insert the value NULL into column 'id'? ASP.Net

Hi Folks,
If you get the below error while being a fresher in ASP.net ...

Cannot insert the value NULL into column 'id'?

Then please add identity property to your primary key

[ID] [int] Not NULL IDENTITY(1,1),

check the below link for more clarification

http://stackoverflow.com/questions/10013313/why-is-sql-server-throwing-this-error-cannot-insert-the-value-null-into-column