How to refresh an image in ASP.NET

When you upload a new image which already exists then the old visitor should refresh the browser cache to see it.

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To resolve this problem you could each time generate some random number after the image name, and the browser will think that this is a new image and it will refresh it. This is the sample ASP.NET code:

<img src=”<%=YourImage + “?” + RandomNumber.ToString()%>”>