DECLARE @emailBody NVARCHAR(MAX);
SET @emailBody = N'<style>table{table-layout:fixed;width:1200px;border:1px solid #000000;border-collapse:collapse;font-size:12px;empty-cells:show;}' + N'th,td{border:1px solid #000000;padding:3px;}</style>' + N'<H2>销退单</H2>' --标题
+ N'<table>' + N'<thead><tr>' + N'<th style="width:80px;">品号</th>' + N'<th style="width:90px;">品名</th>' + N'<th style="width:350px;">规格</th>' + N'<th style="width:150px;">产品序列号</th>' + N'<th style="width:80px;">数量</th>' + N'<th style="width:80px;">退货原因</th>' + N'</tr></thead><tbody>' --表头
+ CAST(( SELECT c.ITEM_CODE AS td , '' , b.ITEM_DESCRIPTION AS td , '' , b.ITEM_SPECIFICATION AS td , '' , b.UDF021 AS td , '' , '<div style="text-align:right;">' + CAST(CAST(b.PRICE_QTY AS DECIMAL(20, 4)) AS VARCHAR(20)) + '</div>' AS td , '' , b.REMARK AS td , '' from SALES_RETURN a left join SALES_RETURN_D b ON a.SALES_RETURN_ID = b.SALES_RETURN_ID
left join ITEM c ON b.ITEM_ID = c.ITEM_BUSINESS_ID where DOC_NO = '2700-201809250001' FOR XML PATH('tr') , TYPE ) AS NVARCHAR(MAX)) + N'</tbody></table>';

SELECT  @emailBody = REPLACE(REPLACE(@emailBody,
                          '&lt;', '<'),
                         '&gt;', '>');
select @emailBody                       

select c.ITEM_CODE,b.ITEM_DESCRIPTION,b.ITEM_SPECIFICATION,b.UDF021,b.PRICE_QTY, b.REMARK from SALES_RETURN a left join SALES_RETURN_D b ON a.SALES_RETURN_ID = b.SALES_RETURN_ID
left join ITEM c ON b.ITEM_ID = c.ITEM_BUSINESS_ID where DOC_NO = '2700-201809250001'