Get page view by page ID

Jakob Westhausen

Posted on 29/01/2015 13:04:30

If you are having problems with the GetPageviewByPageID method (Dynamicweb.Frontend.PageView.GetPageviewByPageID( somepageid ).Output() it's because the <head> tag conflics with the excisting <head> on the current page.

So how can we extract the content of only the <body> tag?? No worries the solution is here :)

Use this function instead:

@functions {
string GetPageContent(int pageId) {
try {
var url = string.Format( "http://{0}/Default.aspx?ID={1}", @GetGlobalValue("Global:Request.Host"), pageId );

System.Net.WebClient client = new System.Net.WebClient();
Byte[] requestedHTML;
requestedHTML = client.DownloadData( url );
System.Text.UTF8Encoding objUTF8 = new System.Text.UTF8Encoding();
string html = objUTF8.GetString( requestedHTML );

var content = System.Text.RegularExpressions.Regex.Split( html, @"((?:.(?!<\s*body[^>]*>))+.<\s*body[^>]*>)|(<\s*/\s*body\s*\>.+)" )[0];
content = content.Trim();
return content;
}
catch { }
return null;
}
}

<div>@GetPageContent( pageId )</div>

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Mikkel Ricky

Posted on 29/01/2015 13:09:30

Cool!

You can actually do it without using a WebClient and using the Dynamicweb API:

@functions {
    string GetPageContent(int pageId, bool trim = true)
    {
        try
        {
            var contentPageView = Dynamicweb.Frontend.PageView.GetPageviewByPageID(pageId);
            var content = contentPageView.Content.CreateContent(pageId);
            content = contentPageView.TemplatePage.Output();

            if (trim)
            {
                // remove everything but the stuff between <body> and </body>
                content = System.Text.RegularExpressions.Regex.Replace(content, @"(^.*<body[^>]*>)|(<\/body>.*$)", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase | System.Text.RegularExpressions.RegexOptions.Singleline);
                content = content.Trim();
            }

            return content;
        }
        catch { }
        return null;
    }
}

I have a feeling that we've been working on the same challenge …

Best regards,
Mikkel

Jakob Westhausen

Posted on 29/01/2015 14:10:06

It works fine in Chrome but in Safari it get this output: http://cl.ly/image/182v2k1h1f23

Best regards,

Jakob

Mikkel Ricky

Posted on 29/01/2015 15:48:51

You're absolutely right, Jakob!

Jakob Westhausen

Posted on 03/02/2015 14:40:24

Any updates on how to achieved this with the Dynamicweb API?

Morten Bengtson

Posted on 03/02/2015 14:47:06

I once had a similar problem with loading another pageview in a pageview context (page rendering). The reason was that the second pageview also caused a double http compression. Some browsers could handle it, but others would fail.

So, try to disable http compression and see if that makes any difference:

http://manual.dynamicweb-cms.com/Dynamicweb-On-line-Manual/Management-Center/Web-and-HTTP/Http-Compression.aspx

Jakob Westhausen

Posted on 03/02/2015 15:10:45

I don't think disabling the http compression is a solution. My GetPageContent() function works fine, but I would rather use the DW API :)
I would be a nice feature if the page content type could be set to something like "content only" http://cl.ly/image/1m222v3g0e1z

But thanks anyways Morten :)

Nicolai Høeg Pedersen

Posted on 03/02/2015 19:52:41

Hi Jakob

I do not think Dynamicweb likes 2 pageviews being created on the same pageview.

The 2nd pageview instance will also set the compression headers, and I think that is what clutters you output on Safari.

So maybe in your second isntance you can remove the extra "Content-Encoding" from the headers collection:

HttpContext.Current.Response.Headers.Remove("Content-Encoding")

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Get page view by page ID

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