ASP.NET DropDownListCheckBox

来源：互联网发布：kindle 推送知乎周刊编辑：程序博客网时间：2024/06/16 03:59

这个是根据LigerUI改的，解决了回发问题

资料地址

http://ligerui.com/demos/comboBox/comboBoxMul.htm

具体代码

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CheckBoxList.aspx.cs" Inherits="CheckBoxList" %><!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server">    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />    <title></title>    <link href="lib/ligerUI/skins/Aqua/css/ligerui-all.css" rel="stylesheet" type="text/css" />    <script src="lib/jquery/jquery-1.3.2.min.js" type="text/javascript"></script>    <script src="lib/ligerUI/js/core/base.js" type="text/javascript"></script>    <script src="lib/ligerUI/js/plugins/ligerCheckBox.js" type="text/javascript"></script>    <script src="lib/ligerUI/js/plugins/ligerResizable.js" type="text/javascript"></script>    <script src="lib/ligerUI/js/plugins/ligerComboBox.js" type="text/javascript"></script>    <script type="text/javascript">        $(function () {            var manager;            $.get("CheckBoxHandle.ashx?tem=" + Math.random() + "&selectValue=" + $("#HiddenField1").val(), function (value) {                if (value.lastIndexOf("[") >= 0) {                    $("#JSON").val(value);                    var data = eval('(' + value + ')');                    manager = $("#test1").ligerComboBox({                        isShowCheckBox: true, isMultiSelect: true,                        data: data, valueFieldID: 'test3', onSelected: function (newvalue) {                            //这个是用于在后台获取的                            $("#HiddenField1").val(newvalue);                        }                    });                } else {                    //解决回发问题                    var data = eval('(' + $("#JSON").val() + ')');                    manager = $("#test1").ligerComboBox({                        isShowCheckBox: true, isMultiSelect: true,                        data: data, valueFieldID: 'test3', onSelected: function (newvalue) {                            //这个是用于在后台获取的                            $("#HiddenField1").val(newvalue);                        }                    });                    manager.selectValue(value);                }            });        });        function clickee() {            alert($("#test3").val());        }    </script></head><body>    <form id="form1" runat="server">        <div>            <input type="text" id="test1" />            <asp:HiddenField ID="HiddenField1" ClientIDMode="Static" runat="server" />            <asp:HiddenField ID="JSON" ClientIDMode="Static" runat="server" />            <asp:Button ID="Button1" OnClick="Button1_Click" OnClientClick="clickee();" runat="server" Text="获取" />            <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label>        </div>    </form></body></html>

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;
public partial class CheckBoxList : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {
    }    protected void Button1_Click(object sender, EventArgs e)    {        this.Label1.Text = this.HiddenField1.Value;    }}

<%@ WebHandler Language="C#" Class="CheckBoxHandle" %>
using System;using System.Web;using System.Collections.Generic;
public class CheckBoxHandle : IHttpHandler {        public void ProcessRequest (HttpContext context) {        context.Response.ContentType = "text/plain";        string select = context.Request.QueryString["selectValue"].ToString();        if (string.IsNullOrEmpty(select))        {            List<Type> list = new List<Type>();            list.Add(new Type { ID = 1, Name = "SAm" });            list.Add(new Type { ID = 2, Name = "Tom" });            list.Add(new Type { ID = 3, Name = "jim" });            context.Response.Write(JsonHelper.GetJSONString(list));        }        else        {            //解决回发问题            context.Response.Write(select);        }    }     public bool IsReusable {        get {            return false;        }    }
}