From f14064d3d2b34881db4719c91b1842df547df6ee Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Sun, 11 Nov 2018 18:06:21 +0800
Subject: [PATCH] Add T Check

---
 Src/Asp.Net/SqlSugar/Infrastructure/SqlSugarAccessory.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Src/Asp.Net/SqlSugar/Infrastructure/SqlSugarAccessory.cs b/Src/Asp.Net/SqlSugar/Infrastructure/SqlSugarAccessory.cs
index 67252244c..ea92f58ce 100644
--- a/Src/Asp.Net/SqlSugar/Infrastructure/SqlSugarAccessory.cs
+++ b/Src/Asp.Net/SqlSugar/Infrastructure/SqlSugarAccessory.cs
@@ -254,6 +254,7 @@ namespace SqlSugar
         }
         protected ISugarQueryable<T> CreateQueryable<T>(ISugarQueryable<T> result) 
         {
+            Check.Exception(typeof(T).IsClass()==false|| typeof(T).GetConstructors().Length==0, "Queryable<{0}> Error ,{0} is invalid , need is a class,and can new().", typeof(T).Name);
             var sqlBuilder = InstanceFactory.GetSqlbuilder(CurrentConnectionConfig);
             result.Context = this.Context;
             result.SqlBuilder = sqlBuilder;