Let's say I have a Library A, and this library has B and C as content types. B and C have their own custom forms.

So When a Library has more than one content type in the (default) form of the default CT you will see a dropdown where you can choose what CT you are using for that specific document.

How can I get that dropdown if I'm using custom forms?

  • If "A" is a Document Library, have You (in Advanced Settings for the library) activated "Allow management of content types"?
    – Magnus G
    Aug 5, 2015 at 7:49
  • Yes I have it activated... The thing is I'm using custom forms... What is the internal name for that dropdown? So I can call it throught my form
    – yngrdyn
    Aug 5, 2015 at 13:19

1 Answer 1


After some research time I found the way to show that little dropdown :) You have to include in your custom form this:

<SharePoint:ChangeContentType runat="server" id="ContentType_" ControlMode="Edit"/>

In order to be able to select the content type you want for your item

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