You:
Configuring concurrent conflicts of the database generally have three ways:
Pessimistic concurrency pessimistic lock optimistic Optimistic Last updated effective Last-win
Since ADO.NET is offline, the second and third types are generally used.
Specific information, please refer to a piece of article in September 2004 in MSDN
Http://msdn.microsoft.com/msdnmag/issues/04/09/datapoints/
In addition, some people are relatively unfamiliar with the configuration file of ASP.NET:
Http://msdn.microsoft.com/msdnmag/issues/04/09/ASPCOLUMN/
