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C# winform写入和读取TXT文件 string str; str=this.textBox1.Text; StreamWriter sw = new StreamWriter(Application.StartupPath +"\\txtwriter.txt", false); sw.Wri 阅读全文
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SELECT OutBoundLinId, STUFF((SELECT distinct ';' + RecCode FROM FI_ARReceivableSheets tleft join FI_ARReceiSheetLines t2 ON t.ReceivableSheetId = t2.R 阅读全文
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一、XML与DataSet的相互转换的类 using System; using System.Collections.Generic; using System.Text; using System.Data; using System.IO; using System.Xml; namespac 阅读全文
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http://www.cnblogs.com/jhxk/articles/1639384.html#undefined 阅读全文
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select SUBSTRING('123,abcdefg',charindex(',','123,abcdefg',0)+1,LEN('123,abcdefg')-charindex(',','123,abcdefg',0)) select SUBSTRING('123,abcdefg',0,ch 阅读全文
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SQL 语句日期用法及函数 --DAY()、MONTH()、YEAR()——返回指定日期的天数、月数、年数； select day(cl_s_time) as '日' from class --返回天 select '月'=month(cl_s_time) from class --返回月 sele 阅读全文