>Do you know, where can i find an article that helps how make pessimistic lock in VB .NET
>or can someone give some suggestions.
>what i want is to lock a record some nobody in a network can delete it or modify it.

Wilson;

I presume you are using ADO.NET. Try these links:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnbda/html/bdadotnetarch001.asp

http://www.dotnet247.com/247reference/msgs/15/78354.aspx

Tom