We are using telerik old version which was using dll of rad controls.Now we are upgrading these controls to latest version of telerik and getting more code issue which was not working .
My following code is not working , So please let us know How we can fixed this issue.
raddatepicker 1.PopupButton.Attributes["onclick"] = "PopupUpdating(\"" + raddatepicker1 .ClientID + "\");";
here error is :raddatepicker has no definition of PopupButton