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1¡¢  Ê×ÏÈÀ´¿´Õâ¸ö´æ´¢¹ý³Ì°É
 
CREATE  PROCEDURE ParaTest
@paraout varchar(20) output
AS
BEGIN
   SET NOCOUNT ON
   SELECT * from USERS
   SELECT @paraout = 'outputvalue'  
   RETURN 10
END
 
ΪÁË·½±ã´ó¼Ò¿´µÃ¸ü¼ÓÇåÇå³þ³þ£¬ÎÒÒѾ­½«Êý¾Ý¸³ÖµÐ´µÃºÜÖ±¹ÛµÄÁË¡£USERSÊÇÒ»¸ö±í
ÔÚsqlÖÐҪȡµÃÕâ¸ö´æ´¢¹ý³ÌµÄ·µ»ØÖµ¿ÉÒÔÓÃÒÔÏ·½Ê½
 
DECLARE @paraoutput varchar(20)
DECLARE @parareturn varchar(20)
EXEC @parareturn= ParaTest @paraout = @paraoutput output
SELECT @paraoutput AS 'output',@parareturn AS 'return'
 
½á¹ûÈçÏÂ
 
 
 
 
2¡¢  ÓÃC££È¡µÃ·µ»ØÖµµÄ·½·¨ÈçÏ£¨²»×ö½âÊÍÁË£¬ºÜ¼òµ¥µÄ£©
         string stroutput = "";
            string strreturn = "";
            string conStr = "Server=.;DataBase=Test;Uid=sa;Pwd=";           
            SqlConnection conn = new SqlConnection(conStr);
            conn.Open();          
            SqlCommand cmd = new SqlCommand("ParaTest",conn);
            cmd.CommandType = CommandType.StoredProcedure;
            SqlParameter spa = new SqlParameter("@paraout",SqlDbType.VarChar,20);
            spa.Direction = ParameterDirection.Output;
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