check request parameter(variable values) is null (no exist)
Syntax: Request.QueryString(variable)[(index)|.Count]
e.g. if request("county").count = 0
Syntax: Request.QueryString(variable)[(index)|.Count]
e.g. if request("county").count = 0
http://msdn2.microsoft.com/en-us/library/ms151319.aspx SQL Server 2005 Books Online Implementing Replication over the Internet Replicating data over the Internet allows remote, disconnected users to access data when they need it using a connection to the Internet. Replicate data over the Internet using: A Virtual Private Network (VPN). For more information, see Publishing Data over the Internet Using VPN . The Web synchronization option for merge replication. For more information, see Web Synchronization for Merge Replication . All types of Microsoft SQL Server replication can replicate data over a VPN, but you should consider Web synchronization if you are using merge replication.