如何输出动态sql 中的结果

DECLARE @SQLString nvarchar(3000) ,

@ParamDefinition nvarchar(500) ,

@Amount MONEY ,

@Count INT

SET @SQLString = 'SELECT @inner_amount= SUM(amount),@innerCount=count(*) FROM v_account_cancel_list WHERE'+'[status] in(''Ready'',''Success'') '

SET @ParamDefinition = N'@inner_amount int OUTPUT,@innerCount int output';

EXECUTE sp_executesql @SQLString ,

@ParamDefinition ,

@inner_amount = @Amount OUTPUT ,

@innerCount=@Count OUTPUT

SELECT @Amount

SELECT @Count