.Net Multiple Connection Example

namespace Script
{
    public partial class VuserClass
    {
        public int Action()
        {
            ActionMulti();
            return 0;
        }      
        
        private int ActionMulti()
        {
            int connId = vts_multi.connect("123.123.123.123", 8888, LoadRunner.ConnectionOptions.KeepAlive);
            string[] cols;
            string[] vals;
            bool result;
            string val;
            
            result = vts_multi.clear_column(connId, "City");
            lr.log_message("clear_column - " + result.ToString());
            
            result = vts_multi.clear_message(connId, "Address", 1);
            lr.log_message("clear_message - " + result.ToString());
            
            result = vts_multi.clear_row(connId, 5);
            lr.log_message("clear_row - " + result.ToString());
            
            var i1 = vts_multi.column_size(connId, "Region");
            lr.log_message("column_size - " + i1.ToString());
            
            result = vts_multi.create_column(connId, "NewColl");
            lr.log_message("create_column - " + result.ToString());
            
            result = vts_multi.ensure_index(connId, "CustomerID");
            lr.log_message("ensure_index - " + result.ToString());
            
            result = vts_multi.drop_index(connId, "CustomerID");
            lr.log_message("drop_index - " + result.ToString());
            
            LoadRunner.VtsErrorCode error = vts_multi.get_last_error(connId);
            lr.log_message("get_last_error - " + error.ToString());
            
            int increment = vts_multi.increment(connId, "EmployeeID", 2, 1);
            lr.log_message("increment - " + increment.ToString());
            
            val = vts_multi.query_column(connId, "CompanyName", 1);
            lr.log_message("query_column - " + val.ToString());
            
            vts_multi.query_row(connId, 2, out cols, out vals);
            for (int i = 0; i < cols.Length; i++)
            {
                lr.log_message("query_row - " + cols[i] + " - " + vals[i]);
            }
            
            val = vts_multi.retrieve_message(connId, "ContactName");
            lr.log_message("retrieve_message - " + val.ToString());
            
            vals = vts_multi.retrieve_messages(connId, "PostalCode;Country", ";");
            for (int i = 0; i < vals.Length; i++)
            {
                lr.log_message("retrieve_messages - " + vals[i]);
            }
            
            
            vts_multi.retrieve_row(connId, out cols, out vals);
            for (int i = 0; i < cols.Length; i++)
            {
                lr.log_message("retrieve_row - " + cols[i] + " - " + vals[i]);
            }
            
            result = vts_multi.send_if_unique(connId, "ContactTitle", "Mess1");
            lr.log_message("send_if_unique - " + result.ToString());
            
            result = vts_multi.send_message(connId, "ContactTitle", "Mess2");
            lr.log_message("send_message - " + result.ToString());
            
            result = vts_multi.send_row(connId, "PostalCode;Country", "65098;Ukraine", ";", LoadRunner.SendRow.SameRow);
            lr.log_message("send_row - " + result.ToString());
            
            result = vts_multi.send_row(connId, "PostalCode;Country", "65098;Ukraine", ";", LoadRunner.SendRow.Stacked);
            lr.log_message("send_row - " + result.ToString());
            
            result = vts_multi.send_row(connId, "PostalCode;Country", "65098;Ukraine", ";", LoadRunner.SendRow.StackedUnique);
            lr.log_message("send_row - " + result.ToString());
            
            result = vts_multi.update_message(connId, "CustomerID", 7, "BLONP_CHANGED");
            lr.log_message("update_message - " + result.ToString());
            
            result = vts_multi.update_message_ifequals(connId, "CustomerID", 8, "BOLID_CHANGED", "BOLID");
            lr.log_message("update_message_ifequals - " + result.ToString());
            
            result = vts_multi.update_row(connId, "Phone;Fax", 6, "BlaBla;FooBar", ";");
            lr.log_message("update_row - " + result.ToString());
            
            vts_multi.disconnect(connId);
            
            return 0;
        }
    }
}