public string GetSubTableData()
{
string secondtable = Request["secondtable"];
string primarytablefiled = Request["primarytablefiled"];
string secondtableprimarykey = Request["secondtableprimarykey"];
string primarytablefiledvalue = Request["primarytablefiledvalue"];
string secondtablerelationfield = Request["secondtablerelationfield"];
string dbconnid = Request["dbconnid"];
LitJson.JsonData data = new RoadFlow.Platform.WorkFlow().GetSubTableData(dbconnid, secondtable, secondtablerelationfield, primarytablefiledvalue, secondtableprimarykey);
return(data.ToJson());
}