access ÖеÄdatetime×Ö¶ÎÔõÑùµÃµ½2010-01-20
string strDatefrom="2010-01-20";
string strDateTo="2010-01-21";
where FormatDateTime(updatetime,0) between #" + strDatefrom + "# and #" + strDateTo + "#
ÎÒÏë°Ñupdatetime ÖеÄÈÕÆÚ 2010-1-20 14:11:39 ±äΪ 2010-01-20
SELECT format([datefiled],'yyyy-mm-dd')
from yourtable;
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Óï·¨´íÎó (²Ù×÷·û¶ªÊ§) ÔÚ²éѯ±í´ïʽ 'updatetime!=null and format([updatetime],'yyyy-mm-dd') between #2010-01-20# and #2010-01-21#' ÖС£
where updatetime!=null and updatetime >=#" + Convert.ToDateTime(strDatefrom) + "# and updatetime <=#" + Convert.ToDateTime(strDateTo) + "#
Óï·¨´íÎó (²Ù×÷·û¶ªÊ§) ÔÚ²éѯ±í´ïʽ 'updatetime!=null and updatetime >=#2010-1-18 0:00:00# and updatetime <=#2010-1-21 0:00:00#' ÖС£
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C# code:
sql = "select id ,type,product_type,product_type2 from M_product where updatetime!=null and updatetime >=" + Convert.ToDateTime(strDatefrom) + " and updatetime <=" + Convert.ToDateTime(strDateTo) + " ";
Óï·¨´íÎó (²Ù×÷·û¶ªÊ§) ÔÚ²éѯ±í´ïʽ 'updatetime!=null and updatetime >=
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