System.Web.Services.Protocols.SoapException: Server was unable to process request. ---> System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) at nest.admin.service.CSqlData.SupesoftPage(String TableName, String ReturnFields, Int32 PageSize, Int32 PageIndex, String Where, String Orderfld, String OrderType) at nest.admin.service.Service1.AllSeach_Data(String TableName, String ReturnFields, Int32 PageSize, Int32 PageIndex, String Where, String Orderfld, String OrderType, String pwd) --- End of inner exception stack trace ---