System data updateexception an error occurred while updating the entries

When developing your service , you might run into some issues and you want to debug your service.

system data updateexception an error occurred while updating the entries-46

System data updateexception an error occurred while updating the entries

Throw Exception And Warning(Tds Parser State Object state Obj)&#x D; at System.

Run(Run Behavior run Behavior, Sql Command cmd Handler, Sql Data Reader data Stream, Bulk Copy Simple Result Set bulk Copy Handler, Tds Parser State Object state Obj)&#x D; at System.

Handle Non Batch Request(Request Description description)&#x D; at System.

On Error(Sql Exception exception, Boolean break Connection)&#x D; at System.

Execute(Update Translator translator, Entity Connection connection, Dictionary`2 identifier Values, List`1 generated Values)&#x D; at System.

The reason you see this and not the Pretty formatted error message from astoria is that the astoria frameworknever initialized the service and failed in the WCF pipeline.When EF converts your code to a SQL query, it automatically uses parameters to avoid SQL injection attacks.Execute the code and go ahead and check the record in the database: Delete Objects in Entity Framework 4.0 To delete an existing record, retrieve an instance of the entity from the Entity Set. When the Delete Object() method is called, the Entity State of the object is set to ‘Deleted’ Finally call Save Changes() on the context to delete the data from the data source.Another way to delete an object is to use the Object Context. Delete Object for our example Go ahead and check the database and you will find that the Customer ID=DNC no more exists.Well this was an overview of how we can Add, Delete and Update Objects in Entity Framework 4.0.Also notice in the code above, that we are accessing data as objects and properties.

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