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  • net2:DropDownList的使用

    原文发布时间为:2008-07-29 —— 来源于本人的百度文章 [由搬家工具导入]

    using System;
    using System.Data;
    using System.Configuration;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Web.UI.HtmlControls;

    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                DropDownList1.Items.Add("sf");
                DropDownList1.Items.Add("nv");
            }

        }
        protected void Button1_Click(object sender, EventArgs e)
        {
            DropDownList1.Items.Add(TextBox1.Text);
        }
        protected void Button1_Command(object sender, CommandEventArgs e)
        {

        }
        protected void DropDownList2_SelectedIndexChanged(object sender, EventArgs e)
        {
            switch (DropDownList2.SelectedValue)//要把AUTOPOSTBACK变成true属性
            {
                case "a":
                    Label1.Text = "1";
                    break;
                case "b":
                    Label1.Text = "2";
                    break;
                case "c":
                    Label1.Text = "3";
                    break;
            }
        }
        protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
        {
            if (CheckBox1.Checked)
            {
                Label2.Text = "xuan zhong";
            }
            else
            {
                Label2.Text = "wei xuan zhong";
            }
        }
    }

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  • 原文地址:https://www.cnblogs.com/handboy/p/7141613.html
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