【发布时间】:2010-09-08 09:14:35
【问题描述】:
我在自定义服务器控件中嵌入了 jquery 库。但它不起作用。它抛出“对象预期错误”。完整的代码清单如下。
jquery-1.4.1.js 将其重命名为 jquery.js
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace ServerControl1
{
[DefaultProperty("Text")]
[ToolboxData("<{0}:ServerControl1 runat=server></{0}:ServerControl1>")]
public class ServerControl1 : WebControl
{
[Bindable(true)]
[Category("Appearance")]
[DefaultValue("")]
[Localizable(true)]
public string Text
{
get
{
String s = (String)ViewState["Text"];
return ((s == null) ? "[" + this.ID + "]" : s);
}
set
{
ViewState["Text"] = value;
}
}
protected override void RenderContents(HtmlTextWriter output)
{
output.Write("<p>Hello World!!</p>");
}
public static void RegisterJQuery(ClientScriptManager cs)
{
cs.RegisterClientScriptResource(typeof(ServerControl1),
"ServerControl1.Resources.jquery.js");
}
protected override void OnPreRender(EventArgs e)
{
if (!this.DesignMode)
{
// Register the JavaScript libraries
ClientScriptManager cs = this.Page.ClientScript;
ServerControl1.RegisterJQuery(cs);
}
}
protected override void OnInit(EventArgs e)
{
string javascript = "<script type='text/javascript'> " +
"$(document).ready(function () { " +
"alert($('p').text()); " +
"});</script>";
if (!(Page.ClientScript.IsClientScriptBlockRegistered("bhelp")))
Page.ClientScript.RegisterStartupScript(this.GetType(), "bhelp", javascript);
base.OnInit(e);
}
}
}
[assembly: System.Web.UI.WebResource("ServerControl1.Resources.jquery.js", "text/javascript")]
【问题讨论】:
标签: asp.net