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string.ToString().Contains() String str="abcd" str.ToString().Contains("a"); //true

LINQGroupBy//按单位机型技术等级分组var StuLstGroup = StuLst.GroupBy(n => string.Format("{0},{1}", n.AIR_TYPE, n.TECHNOLOGYID)).ToList();json 序列化JavaScriptSerializer Serializer = new JavaScriptSerializer...

response.addHeader("Content-Disposition","attachment; filename="+filename)中的中文乱码问题两种解决方法1.如果web.config里utf-8直接Server.UrlEncode(filename)就可以2.否则就要用第二种方法filename=HttpUtility.UrlEncode(Encoding.UT...

引用读取文档using NPOI.HSSF.UserModel;using NPOI.SS.UserModel;using NPOI.XSSF.UserModel;using System.IO;using System.Text.RegularExpressions;IWorkbook workbook;//XSSF 和 HSSF 都继承接口IWorkBookI...