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

2010-06-12 11:57 197 查看

<%@ 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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