随笔分类 -  LINQ

摘要：'第一步引用命令空间[这步最重要的] Imports Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click '加载RDLC文件[记得引用命名空间]。 Dim feedXML As XDocum... 阅读全文

摘要：using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Comb ... 阅读全文

摘要：Lambda表达式 这玩意很复杂的说。慢慢弄 先来个简单的 var ls = new[] { "a", "ab", "ba","c" }; var rs = Array.FindAll(ls, s => (s.IndexOf("a") > -1)); foreach (var s1 in rs) { ... 阅读全文

摘要：1，首先是匿名变量及类型 private void var1() { //匿名变量，定义时必须赋值，不能为null var age = 26; var username = "zhuye"; var userlist = new[] { "a", "b", "c" };/... 阅读全文