工单类型仪器和试剂 第二列有重名时bug修改

codegit/CallCenterApi/CallCenterApi.Interface/CallCenterApi.Interface/Controllers/report/GDLXSJController.cs

             {
                 string colname = modelList[i].F_CategoryName;
                 if (dtNew.Columns.Contains(colname))
-                    colname += "_1";
+                    colname += "_" + i;
                 dtNew.Columns.Add(new DataColumn(colname));
                 cateid[i] = modelList[i].F_CategoryId;
             }

codegit/CallCenterApi/CallCenterApi.Interface/CallCenterApi.Interface/Controllers/report/GDLXYQController.cs

             {
                 string colname = modelList[i].F_CategoryName;
                 if (dtNew.Columns.Contains(colname))
-                    colname += "_1";
+                    colname += "_" + i;
                 dtNew.Columns.Add(new DataColumn(colname));
                 cateid[i] = modelList[i].F_CategoryId;
             }