李空

摘要： //连接语句public readonly string sqlconn = ConfigurationManager.ConnectionStrings["Transaction_9_30ConnectionString"].ConnectionString;//ExecuteQueryLinqToSqlDataContext LinqToSql = new LinqToSqlDataContext(sqlconn); //var result = from query in LinqToSql.Class select query; List r... 阅读全文

摘要： //SelectMany List> Numbers = new List>() { new List{1,2,3}, new List{4,5,6}, new List{7,8,9} }; var result = Numbers.SelectMany(a => a); foreach (var nubers in result) { Cons... 阅读全文

摘要： public static DataTable CopyToDataTable(this IEnumerable array) { var ret = new DataTable(); foreach (PropertyDescriptor dp in TypeDescriptor.GetProperties(typeof(T))) { //if (!dp.IsReadOnly) { ret.Columns.Add(d... 阅读全文

摘要： LinqtoSqlDataContext Linq = new LinqtoSqlDataContext(ConfigurationManager.ConnectionStrings["sz_imt20131024pmConnectionString"].ConnectionString);DataContext对象var query = from usersTable in Linq.UsersTable where usersTable.Uid > 1&&usersTable.Username.StartsWith("张") . 阅读全文

摘要： 1 public static int Reg(Model ml) 2 { 3 bool b = true; 4 Visit vt = new Visit(); 5 StringBuilder builder = new StringBuilder("insert into UsersTable ("); 6 Type type = ml.GetType(); 7 PropertyInfo[] per = type.GetProperties(); 8 ... 阅读全文

摘要： 前台页面： View Code ashx文件代码：using System;using System.Collections.Generic;using System.Linq;using System.Web;namespace WebApplication1{ /// /// Handler1 的摘要说明 /// public class Handler1 : IHttpHandler { public void ProcessRequest(HttpContext context) { ... 阅读全文

摘要： 前台代码： View Code Webservice代码：using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Services;using System.Web.Script.Serialization;namespace WebApplication1{ /// /// WebService1 的摘要说明 /// [WebService(Namespace = "http://tempuri.... 阅读全文

摘要： public static string CreateJsonParameters(DataTable dt,string JsonName) { StringBuilder JsonString = new StringBuilder(); if (dt != null && dt.Rows.Count > 0) { JsonString.Append("{ "); JsonString.Append("\""+JsonName+"\":[ "... 阅读全文

摘要： 简单实用 阅读全文

摘要： 前台代码： 商品编号 商品名称 --%> 后台代码：protected string... 阅读全文