检索ASCX WebControl内的HtmlGenericControl内容

本文介绍了检索ASCX WebControl内的HtmlGenericControl内容的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 我有一个 HtmlGenericControl 这是一个简单的DIV，具有 runat = server 此控件嵌入在多个页面上的ASCX WebControl内。在Page_Load中，此元素由数据绑定到数据库数据的中继器填充，该数据库是特定页面。 我遇到的问题是ASCX WebControls似乎没有很容易读取自己的元素的内容。 到目前为止，这已经失败了： 如何在.NET（C＃）中获取UserControl的HTML输出？ 我正在寻找一种方法来获取HtmlGenericControl内容的按钮点击。我该怎么做？ 简化上一个问题。 检索ASCX中特定元素的HTML 解决方案输入 ASPX代码背后 public override void VerifyRenderingInServerForm（Control control） { //base.VerifyRenderingInServerForm(control）; } ASPX标记 ％@ Page EnableEventValidation =false..... 之后的用户控制代码 protected void Page_Load（object sender，EventArgs e） { if （！this.IsPostBack） { var d = new QuestionsContext（）。GetQuestions（）; this.repeater.DataSource = d; this.repeater.DataBind（）; } } protected void getContent_Click（object sender，EventArgs e） { var sb = new StringBuilder（）; this.generic.RenderControl（new HtmlTextWriter（new StringWriter（sb）））; string s = sb.ToString（）; this.Trace.Warn（Server.HtmlEncode（s））; this.message.Text = Server.HtmlEncode（s）; } 用户控制标记 < div runat =serverid =generic> < asp：Repeater runat =serverID =repeater> < ItemTemplate> <％＃Eval（QuestionText）％> < / ItemTemplate> < / asp：Repeater> < / div> < br /> < asp：Button Text =获取内容ID =getContentrunat =serverOnClick =getContent_Click/> < br /> < asp：Label ID =messagerunat =server/> I have an HtmlGenericControl which is a simple DIV with runat=serverThis Control is embedded inside of an ASCX WebControl which resides on multiple pages. At Page_Load this element is populated by a repeater that is data-bound to database data that is Page Specific.The trouble I'm having is ASCX WebControls don't seem to read the contents of their own elements very easily.So far this has failed:How do I get the HTML output of a UserControl in .NET (C#)?I'm looking for a way to get the contents of the HtmlGenericControl inside of a button click. How would I do that?Simplifying previous question. Retrieve HTML of specific element in ASCX 解决方案 OK, I got it working (I think...)OutputASPX Code behind public override void VerifyRenderingInServerForm(Control control) { //base.VerifyRenderingInServerForm(control); }ASPX markup%@ Page EnableEventValidation="false" .....User control code behind protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { var d = new QuestionsContext().GetQuestions(); this.repeater.DataSource = d; this.repeater.DataBind(); } } protected void getContent_Click(object sender, EventArgs e) { var sb = new StringBuilder(); this.generic.RenderControl(new HtmlTextWriter(new StringWriter(sb))); string s = sb.ToString(); this.Trace.Warn(Server.HtmlEncode(s)); this.message.Text = Server.HtmlEncode(s); }User control markup<div runat="server" id="generic"> <asp:Repeater runat="server" ID="repeater" > <ItemTemplate> <%# Eval("QuestionText") %> </ItemTemplate> </asp:Repeater></div><br /><asp:Button Text="Get content" ID="getContent" runat="server" OnClick="getContent_Click" /><br /><asp:Label ID="message" runat="server" /> 这篇关于检索ASCX WebControl内的HtmlGenericControl内容的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！