I use HTMLPlaceHolder in my system, but it's not work and not has error
Below is my code
xml:
<telerik:RadHtmlPlaceholder Grid.Row="0" x:Name="htmlViewer" Background="CornflowerBlue" Visibility="Visible" />
CS:
htmlViewer.HtmlSource = @"
<h1>
Hello This is a <i style='color:red'>Html Content</i> !
</h1>
";
The same code, I can run in a single demo,but in my system without any content
Please help me, thanks!