sql server存储过程调用C#编写的DLL文件

using Microsoft.SqlServer.Server;

[SqlFunction]
public static int GenerateTxt()
{
   ......
}

---修改配置
exec sp_configure ‘clr enabled‘, 1;
reconfigure;

--从dll中抽取中间语言（IL）
USE erp303_szzb_szpa
CREATE ASSEMBLY CustomerInfoInterface FROM ‘E:\Study\VS2010\PingAnCustomerInfoInterface\PingAnCustomerInfoInterface\bin\Debug\PingAnCustomerInfoInterface.dll‘

 IF EXISTS ( SELECT  *
            FROM    sysobjects
            WHERE   id = OBJECT_ID(‘OnTimeWork‘) ) 
    BEGIN 
        DROP PROCEDURE OnTimeWork
    END 
GO
CREATE PROCEDURE OnTimeWork
AS EXTERNAL NAME 
    [PingAnCustomerInfoInterface].[PingAnCustomerInfoInterface.GetCustomerInfo].[GenerateTxt]
GO