代码无效引用清理，试压包资料界面看板修改

SGGL/BLL/HJGL/BaseInfo/Base_DNCompareService.cs

@@ -1,5 +1,4 @@
 using Model;
-using System;
 using System.Collections.Generic;
 using System.Linq;
 
@@ -145,11 +144,11 @@ namespace BLL
         /// <param name="DN"></param>
         /// <param name="sch"></param>
         /// <returns></returns>
-        public static decimal? GetThicknessByDNDia(int DN,string sch)
+        public static decimal? GetThicknessByDNDia(int DN, string sch)
         {
             decimal result = 0;
             var q = GetDNCompareByDN(DN);
-            if (q!=null)
+            if (q != null)
             {
                 var diaProperty = q.GetType().GetProperty(sch);
                 diaProperty = (diaProperty == null ? q.GetType().GetProperty(sch.Replace("Sch", "SCH")) : diaProperty);