c# - Timeout updating blob field using Entity Framework 4 -

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i'm using ef4 update table blob field. code snippet below:

public void savepolicydocument(int policyid, int batchid, byte[] file)     {         policydocument policydocument = getpolicydocument(policyid, batchid);         policydocument.documentimage = file;         myentities.policydocuments.applycurrentvalues(policydocument);         myentities.objectstatemanager.changeobjectstate(policydocument, entitystate.modified);         myentities.savechanges();     }

if blob field of policydocument null, updating blob field works fine. if there's value in blob field, timeout error in updating record.

thanks ideas.


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