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  • ASP.NET编程模型:RegisterStartupScript向页面注册脚本

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default3.aspx.cs" Inherits="WebParts_Default3" %>

    <%@ Register Src="SelectPro.ascx" TagName="SelectPro" TagPrefix="uc1" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        
    <title>无标题页</title>
    </head>
    <body>
        
    <form id="form1" runat="server">
        
    <div onclick='test()'>
            
    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            
    <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
            
    <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>
            
    <asp:TextBox ID="TextBox4" runat="server"></asp:TextBox>
            
    <asp:TextBox ID="TextBox5" runat="server"></asp:TextBox>
        
    </div>

        
    <script type="text/javascript">
        
    function test()
        {
        alert(
    '<%= TextBox1.ClientID %>');
        
        }
        
        
        
    </script>

        
    </form>
    </body>
    </html>
    using System;
    using System.Collections;
    using System.Configuration;
    using System.Data;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.HtmlControls;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;

    public partial class WebParts_Default3 : System.Web.UI.Page
    {
        
    protected void Page_Load(object sender, EventArgs e)
        {
            Set1();
    //或Set2();
        }

        
    public void Set1()
        {
            
    string script = "";
            
    for (int i = 0; i < Page.Form.Controls.Count; i++)
            {
                
    if (Page.Form.Controls[i] is TextBox)
                {
                    TextBox txt 
    = Page.Form.Controls[i] as TextBox;
                    txt.Attributes.Add(
    "onclick", txt.ClientID + "_Show()");
                    txt.Style.Add(HtmlTextWriterStyle.BackgroundColor, 
    "yellow");
                    script 
    += "function " + txt.ClientID + "_Show(){alert('" + txt.ClientID + "');};";
                }
            }
            Page.ClientScript.RegisterStartupScript(
    this.GetType(), "script""<script>" + script + "</script>");
        }

        
    public void Set2()
        {
            
    string script = "";
            
    for (int i = 0; i < Page.Form.Controls.Count; i++)
            {
                
    if (Page.Form.Controls[i] is TextBox)
                {
                    TextBox txt 
    = Page.Form.Controls[i] as TextBox;
                    txt.Attributes.Add(
    "onclick""Show('" + txt.ClientID + "')");
                    txt.Style.Add(HtmlTextWriterStyle.BackgroundColor, 
    "red");

                    script 
    = "function Show(id){alert(id);};";
                }
            }
            Page.ClientScript.RegisterStartupScript(
    this.GetType(), "script""<script>" + script + "</script>");
        }
    }
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  • 原文地址:https://www.cnblogs.com/qixuejia/p/1756943.html
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