enumerate over a collection of documents that are of a particular document type

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Christian Liebe-Harkort 56 posts 104 karma points

Mar 04, 2011 @ 16:22
0

Enumerate over a collection of documents that are of a particular document type

API Questions
I am trying to build a .NET usercontrol that populates a dropdown with all nodes of a certain document type. I found this code snippet at the "API Cheatsheet" at
http://our.umbraco.org/wiki/reference/api-cheatsheet/enumerating-documents
```
//get the document by its ID
Document doc = new Document(1029);
//Root documents
Document.GetRootDocuments();
//Get Nodes of a specific type
DocumentType dt = DocumentType.GetByAlias("Textpage");
Content[] docs = Document.getContentOfContentType(dt);
//Get documents which has publishing date set
//and is either waiting to be published or is expired
Document.GetDocumentsForRelease();
Document.GetDocumentsForExpiration();
```
but Visual Studio complains this line
```
Content[] docs = Document.getContentOfContentType(dt);
```
with this error:

Error 1 An implicit conversion of the type "umbraco.cms.businesslogic.Content[]" in "System.Web.UI.WebControls.Content[]" is not possible. (translated from german)

I have added references to the cms.dll, businesslogic.dll and umbraco.dll in my project.

I am using Visual Studio 2010 and umbraco v 4.6.1 (Assembly version: 1.0.4029.25836).

What am I missing here?

Christian
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Patrick McAndrew 48 posts 163 karma points

Mar 04, 2011 @ 18:19
0
Christian,

You're having a namespace clash. You can either remove the line

using System.Web.UI.Webcontrols;

Or try the following line:
```
umbraco.cms.businesslogic.Content[] docs = Document.getContentOfContentType(dt);
```
You may also want to look into the uComponent project and use uQuery, although you will be restricted to nodes rather than documents (but you should probably be using nodes anyway).
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Christian Liebe-Harkort 56 posts 104 karma points

Mar 04, 2011 @ 18:45

0

HI Patrick,

thanks a lot. removing using System.Web.UI.Webcontrols; did not work (type or namespace Content[] can not be found) but your second suggestion works fine.

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