加入禁止删除比价团接单的任务

src/Coldairarrow.Business/HuiYan/teamitemsBusiness.cs

@@ -642,7 +642,14 @@ namespace Coldairarrow.Business.HuiYan
         public AjaxResult DeleteItem(string id)
         {
            
-            string itemId = Db.GetIQueryable<teamitems>().FirstOrDefault(c => c.Id == id)?.ItemId;
+            var item = Db.GetIQueryable<teamitems>().FirstOrDefault(c => c.Id == id);
+
+            if (!string.IsNullOrEmpty(item.PriceTaskUserId))
+            {
+                return Error("已有比价团接单的任务不允许删除！");
+            }
+
+            string itemId = item?.ItemId;
 
             var result = Db.RunTransaction(() =>
             {