AUTHOR: rumen jekov
DATE MODIFIED : December 15, 2017
DATE POSTED: September 07, 2017
RadWindow, RadTooltip, RadCombobox, RadToolbar and a dragged node from a RadTreeView are shown in the wrong location.
In scenarios with special positioning on a parent element of the Telerik control (absolute, fixed, relative or margin:auto), you may experience appearance problems with incorrect positioning and side effects as explained below. This can include direct parents or even high-level elements like the <body> or <form>.
All problems demonstrated above are due to special positioning of the body, form, or another parent element of the Telerik control.
Popup elements from the Telerik UI for ASP.NET AJAX suite are often rendered as direct children of the <form> or <body> element and such special positioning can offset them unexpectedly, even to the point where they are not in the visible viewport of the page.
What can be done to solve this problem, is to