计算呼入呼出总时长时，sql对userid，usercode，username 进行分组，但因 usercode 字段在 “呼入” 写入数据时为null，导致这里分组的结果是两条记录，最终导致查询出的总时长数据错误。

更改：
1.去掉sql中对 usercode 的分组
2.获取数据时所用索引由4改为3

2、项目软件/Web/Report/THSC_Report.aspx.cs

@@ -130,14 +130,14 @@ public partial class Report_THSC_Report : System.Web.UI.Page
             sql += " and DATEDIFF(d,BeginTime,'" + EndTime + "')>=0";
         }
         var userAccountList = new XYFDRQ.BLL.T_Sys_UserAccount().GetModelList("F_StateFlag=1 and F_SeatFlag=1");
-        DataTable dt = XYFDRQ.DBUtility.DbHelperSQL.Query("SELECT UserId,UserCode,UserName,COUNT(*) AS calloutCount,SUM(TalkLongTime) AS TalkSummaryTime FROM vw_callRecords where 1=1 " + sql + "  GROUP BY UserId,UserCode,UserName").Tables[0];
+        DataTable dt = XYFDRQ.DBUtility.DbHelperSQL.Query("SELECT UserId,UserName,COUNT(*) AS calloutCount,SUM(TalkLongTime) AS TalkSummaryTime FROM vw_callRecords where 1=1 " + sql + "  GROUP BY UserId,UserName").Tables[0];
 
         foreach (XYFDRQ.Model.T_Sys_UserAccount item in userAccountList)
         {
             DataRow drUser = dt.AsEnumerable().FirstOrDefault(dr => dr.Field<string>("UserName") == item.F_UserName);
 
-            if (drUser != null && drUser[4].ToString()!="")
-                result += drUser[4].ToString() + ",";
+            if (drUser != null && drUser[3].ToString()!="")
+                result += drUser[3].ToString() + ",";
             else
                 result += "0,";
         }