public ActionResult QueryProjects(string projectName, string projectType, string status, DateTime?beginTime, DateTime?endTime, int pageIndex, int pageSize)
{
StatisticLogic logic = new StatisticLogic();
int rowCount;
List <SumHourModel> results = logic.QueryProjects(projectName, projectType, status, beginTime, endTime, pageIndex, pageSize, out rowCount);
return(Json(new { Result = results, RowCount = rowCount }));
}