The BCS Model can't create a form for the "Update" operation if the key of Entity has a type of uint, int, long or ulong when I use WCF as a data source. It works fine with the string type.

Does anybody know why?

  • Int works from time to time with web service, always with database. Long doesn't work anytime. Mar 22, 2010 at 13:38

1 Answer 1


Try to set ReadOnly attribute to the identifier in Specific Finder and Finder methods

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