Well, I tested your grid code outside of there and had no problems with it, worked like a charm when I attached a simple SQL data source. Where are you using this control at, perhaps there is some global css that is giving it trouble? Could you post the code for the page containing this control and for where the databind is coming from?
Well we have this content page nested within a default page that is nested with in a master.content page. A global css could very well be the cause because we haven't even started on dealing with the levels of where the css is applied to what page.
The code I used to bind is a basic bind and is as follows:
public void BuildInboxPresentation()
this.RadGridReportInbox.DataSource = null;
this.RadGridReportInbox.DataSourceID = null;
List<System.IO.FileInfo>FileList = new List<System.IO.FileInfo>();
If you would like to take advantage of this grid feature, you will need to switch to advanced binding using NeedDataSource event handling or a data source control (as shown in the example linked above).
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