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Content Type - Setting up default content type programmatically

Here’s the sample to add and set a new content type as a default content type to a document library in a SharePoint site. Also this will hide the pervious default content type.

 SPSite oSPSite = new SPSite(""); // Site URL
 SPWeb oSPWeb = oSPSite.OpenWeb();
 SPList list = oSPWeb.Lists["Shared Documents"];  // Name of the List
 SPContentType newContentType2 = oSPWeb.ContentTypes["ContentType_Two"]; // ContentType Two’s name
 list.ContentTypes.Add(newContentType2);
 SPContentTypeCollection currentOrder = list.ContentTypes;
 List<SPContentType> result = new List<SPContentType>();
 foreach (SPContentType ct in currentOrder)
 {
     if (ct.Name.Contains("ContentType_Two"))
     {
         result.Add(ct);
     }
 }
 list.RootFolder.UniqueContentTypeOrder = result;
 list.RootFolder.Update();

Comments

  • Anonymous
    December 01, 2010
    this set the order but the drop down select the last uploaded documents content  type.. even if it is as list number  second or third
  • Anonymous
    December 01, 2010
    Hi,I really appreciate the post u uploaded i.e. the content type order. changing . this displays the the order the way whatever we set in Unique content type order  property. but i am having a problem is that.. When i upload a file then it select last uploaded files content type in  Content type drop down even if that contentTypeitem is second or third number in Content type drop down.  This not select first item.  U getting me.  it must select First item in content Type drop-down.My contents type are === Audio, video, Image and Document.Thanks in advance ... please reply
  • Anonymous
    April 19, 2012
    Have you notice that your example doesnt work???
  • Anonymous
    February 20, 2014
    Can this be done in a declarative way?
  • Anonymous
    March 04, 2014
    Thank you. it was very helpful and saved my time
  • Anonymous
    July 27, 2014
    Thanks for the script, it saved me sometime :)