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posted @ 2022-05-27 18:14
叶子牛牛
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sql: select a.*,b.IsPayment from Appointment a left join OrderPayment b on a.yyid=b.yyid where b.IsPayment IS NULL or b.IsPayment =0 linq:(linq中无left 阅读全文
posted @ 2022-05-27 18:08
叶子牛牛
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1.方法1 [HttpGet] public string subZeroAndDot(string s) { string sResult = s.ToString(); if (sResult.IndexOf(".") < 0) return sResult; int iIndex = sRes 阅读全文
posted @ 2022-05-27 17:48
叶子牛牛
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