Master Page Image Display Problem and Solution in Asp.net
Master Page is creating problem when a page inside folder is trying to refer master page. The reason of problem is Master Page is using absolute image url, which changes when you try to refer same inside folder.
A simple solution to problem is to define relative path for images inside master page.
So if you have coded like following in your MasterPage File
Than Replace it with,
<img src="<%= Page.ResolveUrl("~")%>Images/Logo.gif"/>
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