>>>Hi everybody,
>>>
>>>I'm trying to bring a GridView into the ContentPlaceHolder on the page. Several of items from the Master Page show 'Error Creating control'.
>>>
>>>May be this is the reason I'm unable to drag the item from the toolbox to the ContentPlaceHolder. Do you know what can I do?
>>
>>You could start by finding out what is causing and then getting rid of the 'Error creating control' messages :-}
>>IIRC, that message always has more detailed information about the problem?
>
>One is referencing Ajax, another is referencing an extra library (Infragistics ?). Do you think this problem prevents me from dragging the object?

Don't know - but getting rid of the 'Error creating control' problem seems like a good way of finding out :-}
>
>I'm wondering why do I have these problems, the project is supposed to have all the references... (I'm accessing it through TFS).

Lots of reasons you might get the error - doesn't it give more information on the specific cause ?