EF 3.0 to enable database connection reuse MultipleActiveResultSets = true

/ * EF 3.0 to enable database connection multiplexing MultipleActiveResultSets = true
* otherwise it will report The connection does not support MultipleActiveResultSets
* will also cause subsequent queries to time out (may be caused by an abnormal transaction that could not be submitted due to a previous write operation)
* Execution Timeout Expired. The timeout period elapsed prior to completion of the operation or the server is not responding.
* * /