You can implemenet Tag cloud using asp.net. Tag cloud is something using which user can easily identified the particular word under which the number of items are more.
You can find free source code by visiting following links:
http://www.codeproject.com/KB/custom-controls/cloud.aspx
http://thetagcloud.codeplex.com/Release/ProjectReleases.aspx?ReleaseId=17637
http://www.4guysfromrolla.com/articles/102506-1.aspx
Happy Progamming!
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