The scroll bar that appears inside the <iframe> is caused by structure of the page loaded inside, more specifically, because of the <div> element that is a sibling to the splitter.
In cases where you need to have RadSplitter with variable height (height in percents) and additional content above and / or bellow the splitter you can either use one of the following approaches:
- Use additional splitter as wrapper to separate the main splitter and the additional content in different panes.
- Set RadSplitter's HeightOffset property to value that is the combined height of all additional content.
the Telerik team
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