Visual Studio
Route Cause :
You might have add new image file in resource.resx file of your visual studio projects, and the file property Build Action is “Content”
Image File –>Right Click –> Properties –> Build Action = Content
Solution :
Right click on the image file you added, and change the file property to Embedded Resource
Image File –>Right Click –> Properties –> Build Action = Embedded Resource
Arjun's Blog 