Get Content ID by Control on Page

Posted by Community Admin on 28-Jul-2011 00:00

I have a page that contains a news module widget that is set to show a single news item. I am trying to figure out how to get the id of the selected news Item that is showing in the control. Code to get news item control is below:

var siteMapNode = SiteMapBase.GetActualCurrentNode();

if (siteMapNode != null)

PageManager mng = PageManager.GetManager();

var pageNode = mng.GetPageNode(siteMapNode.Id);

var pageData = mng.GetPageData(siteMapNode.PageId);

List<PageControl> list = pageData.Controls.Where(w => w.IsLayoutControl == false & w.Caption == "News").ToList();

var drafts = pageData.Drafts;

foreach (PageControl c in list)

//TODO: find the ID of the news item related to the control....

Am I going about it the wrong way to get the ID by trying to determine it through the control?

Posted by Community Admin on 01-Aug-2011 00:00

Hi Marc,

This can be done using the bellow approach (used in our widgets to determine the current item):

private NewsItem currentItem;

public NewsItem CurrentItem

get

return this.currentItem;

set

this.currentItem = value;

protected void Page_Load(object sender, EventArgs e)

this.ResolveDetailItemFromUrl();

/// <summary>

/// Resolves the detail item from URL.

/// </summary>

protected virtual void ResolveDetailItemFromUrl()

var itemUrl = this.GetUrlParameterString(true);

if (itemUrl != null)

string redirectUrl;

var manager = NewsManager.GetManager();

var item = (NewsItem)manager.GetItemFromUrl(typeof(NewsItem), itemUrl, true, out redirectUrl);

if (item != null)

this.CurrentItem = item;

Best wishes,
Radoslav Georgiev
the Telerik team

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Posted by Community Admin on 26-Aug-2011 00:00

So if I am trying to encapsulate this logic into a widget that can be extended to all pages by inheriting from simpleview how do I get to the GetUrlParameterString method? For example, I create a widget called MyWidget extend SimpleView and then on the SelectedIndexChanged event of the drop down list I want to get the newsitem using your suggested technique so I can see if there is a draft version that is newer. When I try to use the this.GetUrlParameterString(true) method the method is not found. Thoughts of what I may be missing?

Marc

Posted by Community Admin on 31-Aug-2011 00:00

Hi Marc,

This method is an extension method. Please add a reference to the namespace System.Web.UI to get access to it (the sample I have used is for user control type).

Greetings,
Radoslav Georgiev
the Telerik team

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Posted by Community Admin on 19-Aug-2013 00:00

Sorry for bumping an older thread, but how would this work in an MVC widget? Especially that this.GetUrlParameterString(true); line

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