1.设置TreeView对象,代码 <Window x:Class="WpfApp1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schema…

DataTable dt=new DataTable(); DataRow[] tempdr=dt.Select(" column='"+columnName+"'"); 从网易博客(http://cxwstar.blog.163.com/blog/static/484687632016231103553695/)迁移,原发表于2016年3月31日.

/* { "retCode":1000, "retDetail":"", "retMessage":"调用成功", "retObj":{ "chkInoutProcessLists":{ "chkInoutProcessResponse":[ {"billCode":"JYSZDA00000139","noteInfo":"操作失败。","processDate":"2015-09-10 09:41:14"}, {"billCode":"JYSZDA00000139","noteInfo":"","processD…

using System.Data; using System.Linq; public class Demo {     public static DataTable Method(DataTable dt1, DataTable dt2)     {         var normalReceive = from r2 in dt2.AsEnumerable()  &n…

List<string> djbhList = new List<string>(); djbhList.Add("JRKBZF00000151"); djbhList.Add("JRKZDA00000152"); djbhList.Add("JRKZDA00000153"); //此方法 string.Join(",", djbhList.ToArray()); //得到结果为 //"JRKBZF00000151,JRKZDA00000152,JRKZDA00000153" //此方法 s…

private static void CopyDir(string path, string newpath) { try {//检查目标目录是否以目录分割字符结束如果不是则添加之 if (newpath[newpath.Length - 1] != System.IO.Path.DirectorySeparatorChar) { newpath += System.IO.Path.DirectorySeparatorChar; } //判断目标目录是否存在如果不存在则创建之 if (!System.IO.Dir…