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Extract Html content of a webpage

2 posts, 0 answered
  1. Amaresh
    Amaresh avatar
    1 posts
    11 Jan 2012
    19 Jan 2012
    Link to this post
    iam facing some issues while extracting html content.
    i have created a page which is inheriting a master page having 2 placeholders.
    1 placeholder i have image and text and in  2 placeholder i have usercontrol which has a button. on click of button iam extracting html content of image and text from 1placeholder
    this is the code iam using for extracting html

    protected void btn_ExtractHtml_Click(object sender, EventArgs e)

    Control c = new Control();
    ContentPlaceHolder cp = (ContentPlaceHolder)this.Page.Master.FindControl("ContentPlaceHolder1");
    string strhtml = renderControl(cp);


    public string renderControl(Control cntr)

    StringBuilder sb = new StringBuilder();
    StringWriter sw = new StringWriter(sb);
    HtmlTextWriter hw = new HtmlTextWriter(sw);
    return sb.ToString();


     iam geeting only Tags without content as shown below

    <div class="sfimageWrp">

    </div><div class="sfContentBlock">

    i need content of this tags can anyone help me on this.
    i have attached masterpage and webpage.

  2. Lubomir Velkov
    Lubomir Velkov avatar
    688 posts
    03 Nov 2014
    24 Jan 2012
    Link to this post
    Hello Amaresh,

    You can't get the rendered HTML source in the OnClick event of a Button control - it's too early in page lifecycle. What you can do is assign a code-behind class to a page as per this blog post - 

    and override the Render method of the page like this -

    protected override void Render(HtmlTextWriter writer)
        var sb = new StringBuilder();
        var tw = new HtmlTextWriter(new System.IO.StringWriter(sb));
        string sContent = sb.ToString();

    Lubomir Velkov
    the Telerik team
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2 posts, 0 answered