public bool NextWorkFlowStep(ref string mensaje, int WorkFlowId, int InvoiceId, string userName, bool refuse)
{
Dictionary <string, object> parameters = new Dictionary <string, object>();
parameters.Add("_WorkFlowId", WorkFlowId);
parameters.Add("_InvoiceId", InvoiceId);
parameters.Add("_userName", userName);
parameters.Add("_refuse", refuse);
//filasAfectadas = _database.ExecuteSP("spu_updateWorkFlowNextStep", parameters);
var rows = _database.QuerySP("spu_updateWorkFlowNextStep", parameters);
bool bOk = false;
bOk = rows[0]["MESSAGE"].Equals("");
mensaje = rows[0]["MESSAGE"];
return(bOk);
}