I am getting this error, and it is directly related to the RadWindowManager, because when I remove it then I don't get the JS error. Please tell me why I am getting this.
Sys.ArgumentUndefinedException: Value cannot be undefined.
Parameter name: type
1 Answer, 1 is accepted
answered on 17 Jun 2009, 11:52 AM
We are not quite sure what may cause the error on your side. Could you please open a new support ticket and send us a sample that reproduces the problem? We will do our best to provide a working solution as soon as possible.