how to manage waiting button

pleaseWaitButton_demo\_UpgradeReport_Files
.....................\....................\Thumbs.db
.....................\....................\UpgradeReport.css
.....................\....................\UpgradeReport.xslt
.....................\....................\UpgradeReport_Minus.gif
.....................\....................\UpgradeReport_Plus.gif
.....................\AssemblyInfo.cs
.....................\bin
.....................\...\PleaseWaitButton.dll
.....................\...\PleaseWaitButtonTest.dll
.....................\...\PleaseWaitButtonTest.pdb
.....................\Default.aspx
.....................\Default.aspx.cs
.....................\Default.aspx.resx
.....................\Global.asax
.....................\Global.asax.cs
.....................\Global.asax.resx
.....................\obj
.....................\...\Debug
.....................\...\.....\PleaseWaitButtonTest._Default.resources
.....................\...\.....\PleaseWaitButtonTest.csproj.FileListAbsolute.txt
.....................\...\.....\PleaseWaitButtonTest.csproj.GenerateResource.Cache
.....................\...\.....\PleaseWaitButtonTest.dll
.....................\...\.....\PleaseWaitButtonTest.Global.resources
.....................\...\.....\PleaseWaitButtonTest.pdb
.....................\...\.....\PleaseWaitButtonTest.WebForm1.resources
.....................\...\.....\PleaseWaitButtonTest.WebForm2.resources
.....................\...\.....\PleaseWaitButtonTest.WebForm3.resources
.....................\...\.....\ResolveAssemblyReference.cache
.....................\...\.....\TempPE
.....................\pleaseWait.gif
.....................\PleaseWaitButtonTest.csproj
.....................\PleaseWaitButtonTest.csproj.user
.....................\PleaseWaitButtonTest.sln
.....................\PleaseWaitButtonTest.suo
.....................\test.aspx
.....................\test.aspx.bak
.....................\UpgradeLog.XML
.....................\Web.config
.....................\WebForm1.aspx
.....................\WebForm1.aspx.cs
.....................\WebForm1.aspx.resx
.....................\WebForm2.aspx
.....................\WebForm2.aspx.cs
.....................\WebForm2.aspx.resx
.....................\WebForm3.aspx
.....................\WebForm3.aspx.cs
.....................\WebForm3.aspx.resx

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