asp.net mvc - SubmitOnChanges / InsertOnSubmit / DeleteOnSubmit are not detected -

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submitonchanges / insertonsubmit / deleteonsubmit not detected in asp.net mvc4. should do? please help!

submitchanges, insertonsubmit , deleteonsubmit methods of datacontext class , table<entity> class of linq2sql respectively.

if using linq2sql in mvc4 , have instance of datacontext class , table<entity> classes (for each of tables), you'll have these methods available you.


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