Checksum calculation can realize the Verification Code using Ajax validation code has detailed notes, can be used as reference to study the light of some of the previous 51ASPX Verification Code procedures, use VS2005SP1 open.

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.......\ValidationCode
.......\..............\bin
.......\..............\...\ValidationCode.dll
.......\..............\...\ValidationCode.pdb
.......\..............\Default.aspx
.......\..............\Default.aspx.cs
.......\..............\Default.aspx.designer.cs
.......\..............\Image.aspx
.......\..............\Image.aspx.cs
.......\..............\Image.aspx.designer.cs
.......\..............\Image2.aspx
.......\..............\Image2.aspx.cs
.......\..............\Image2.aspx.designer.cs
.......\..............\images





.......\..............\......\bg4.jpg
.......\..............\......\Loading.gif
.......\..............\obj
.......\..............\...\Debug
.......\..............\...\ValidationCode.csproj.FileList.txt
.......\..............\...\ValidationCode.csproj.FileListAbsolute.txt
.......\..............\Properties
.......\..............\..........\AssemblyInfo.cs
.......\..............\ValidationCode.csproj
.......\..............\ValidationCode.csproj.user
.......\..............\Web.config
.......\ValidationCode.sln
.......\使用帮助.txt
.......\源码必读.txt
.......\说明.txt

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