Asp.net help : how to encrypt querystring for security purpose.

QueryStringEncryption\QueryStringEncryption\QueryStringEncryption\bin\QueryStringEncryption.dll
.....................\.....................\.....................\...\QueryStringEncryption.pdb
.....................\.....................\.....................\EncryptDecryptQueryString.cs
.....................\.....................\.....................\obj\Debug\QueryStringEncryption.csproj.FileListAbsolute.txt
.....................\.....................\.....................\...\.....\QueryStringEncryption.dll
.....................\.....................\.....................\...\.....\QueryStringEncryption.pdb
.....................\.....................\.....................\Page1.aspx
.....................\.....................\.....................\Page1.aspx.cs
.....................\.....................\.....................\Page1.aspx.designer.cs
.....................\.....................\.....................\Page2.aspx
.....................\.....................\.....................\Page2.aspx.cs
.....................\.....................\.....................\Page2.aspx.designer.cs
.....................\.....................\.....................\.roperties\AssemblyInfo.cs
.....................\.....................\.....................\QueryStringEncryption.csproj
.....................\.....................\.....................\QueryStringEncryption.csproj.user
.....................\.....................\.....................\Web.config
.....................\.....................\QueryStringEncryption.sln
.....................\.....................\QueryStringEncryption.suo
.....................\.....................\.....................\obj\Debug\TempPE
.....................\.....................\.....................\...\Debug
.....................\.....................\.....................\App_Data
.....................\.....................\.....................\bin
.....................\.....................\.....................\obj
.....................\.....................\.....................\Properties
.....................\.....................\QueryStringEncryption
.....................\QueryStringEncryption
QueryStringEncryption

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