Valid for Sitecore
5.3, 5.2
Preview throws exceptions about codeblocks in controls (<%...%>)
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Q:
Preview throws exceptions about codeblocks in controls (<%...%>). Why?
A:
The matter is that <%# %> inline statement should be used instead of <%= %> when you add these blocks into layout. E.g.:
<meta id=scID content="<%#Sitecore.Context.Item.ID%>" name=scID>
<meta id=scPath content="<%#Sitecore.Context.Item.Paths.Path%>" name=scPath>
<meta id=scPath content="<%#Sitecore.Context.Item.Paths.Path%>" name=scPath>
You should also change the AutomaticDataBind setting to true in the web.config file.