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using System;
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using System.Data;
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using System.Configuration;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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using System.Collections;
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using System.Data.SqlClient;
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using System.IO;
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public partial class _Default : System.Web.UI.Page
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{
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protected void Page_Load(object sender, EventArgs e)
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{
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//构造数据源
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//字符串数组
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string[] DataSource1 = new string[] {"项目1","项目2","项目3" };
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//哈西表
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Hashtable DataSource2 = new Hashtable(3);
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DataSource2.Add("项目1", "值1");
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DataSource2.Add("项目2", "值2");
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DataSource2.Add("项目3", "值3");
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//数据集
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DataSet DataSource3 = new DataSet();
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string connString="server=.\\sqlexpress;database=Clients;uid=sa;pwd=123456;";
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using (SqlConnection conn=new SqlConnection(connString))
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{
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SqlDataAdapter sda = new SqlDataAdapter("select * from OrderClient",conn);
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sda.Fill(DataSource3);
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}
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//目录集合
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DirectoryInfo di = new DirectoryInfo("D:\\");
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DirectoryInfo[] DataSource4 = di.GetDirectories();
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//动态数组
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ArrayList DataSource5 = new ArrayList();
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DataSource5.Add(new Link("谷歌","http://www.google.com"));
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DataSource5.Add(new Link("百度","http://www.baidu.com"));
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if (!IsPostBack)
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{
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//第一次请求
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//绑定数据
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DropDownList1.DataSource = DataSource1;
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DropDownList1.DataBind();
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DropDownList1.Items.Insert(0, "请选择");//放在DataBind方法之后,不然会被数据绑定覆盖
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ListBox1.DataSource = DataSource2;
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ListBox1.DataTextField = "key";
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ListBox1.DataValueField = "value";
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ListBox1.DataBind();
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CheckBoxList1.DataSource = DataSource3;
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CheckBoxList1.DataTextField = "ClientName";
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CheckBoxList1.DataTextFormatString = "分类;{0}";
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CheckBoxList1.DataValueField = "ClientID";
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CheckBoxList1.DataBind();
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RadioButtonList1.DataSource = DataSource4;
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RadioButtonList1.DataTextField = "Name";
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RadioButtonList1.DataValueField = "FullName";
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RadioButtonList1.DataBind();
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BulletedList1.DataSource = DataSource5;
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BulletedList1.DataTextField = "Name";
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BulletedList1.DataValueField = "Url";
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BulletedList1.DataBind();
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}
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}
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protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
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{
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Response.Write(DropDownList1.SelectedValue);
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}
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protected void Button1_Click(object sender, EventArgs e)
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{
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foreach (ListItem li in ListBox1.Items)
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{
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if (li.Selected)
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{
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Response.Write(string.Format("{0}:{1}<br>",li.Text,li.Value));
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}
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}
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}
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protected void Button2_Click(object sender, EventArgs e)
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{
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foreach (ListItem li in CheckBoxList1.Items)
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{
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li.Selected = true;
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}
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}
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protected void Button3_Click(object sender, EventArgs e)
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{
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foreach (ListItem li in CheckBoxList1.Items)
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{
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li.Selected = false;
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}
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}
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protected void RadioButtonList1_SelectedIndexChanged(object sender, EventArgs e)
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{
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Response.Write(RadioButtonList1.SelectedValue);
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}
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}
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using System;
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using System.Data;
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using System.Configuration;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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/// <summary>
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/// Link 的摘要说明
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/// </summary>
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public class Link
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{
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public Link(string Name,string Url)
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{
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this.Name = Name;
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this.Url = Url;
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}
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private string name;
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public string Name
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{
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get { return name; }
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set { name = value; }
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}
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private string url;
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public string Url
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{
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get { return url; }
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set { url = value; }
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}
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}
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