The return types for the following stored procedures could not be detected

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1、使用dbml映射数据库，添加存储过程到dbml文件时报错。

2、原因：存储过程中使用了临时表

3、解决方案

3.1 通过自定义表值变量实现

Ex:

DECLARE @TempTable TABLE

(

AttributeID INT,

Value NVARCHAR(200)

)

INSERT INTO @TempTable Select * from Attribute

OR

--Execute SP and insert results into @TempTable

INSERT INTO @TempTable Exec GetAttribute @Id

You can do all operation which you was doing with #Temp table like Join, Insert, Select etc.

The return types for the following stored procedures could not be detected

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原文地址：http://www.cnblogs.com/xiaochun126/p/4691529.html