File list (Check if you may need any files):
Data Access\Asynchronous Queries\Asynchronous\App.config
...........\....................\............\Asynchronous.csproj
...........\....................\............\Asynchronous.csproj.user
...........\....................\............\asynchronousForm.cs
...........\....................\............\asynchronousForm.Designer.cs
...........\....................\............\asynchronousForm.resx
...........\....................\............\Databases\Data.mdf
...........\....................\............\.........\Data_log.ldf
...........\....................\............\Databases
...........\....................\............\obj\Asynchronous.csproj.FileList.txt
...........\....................\............\...\Debug\Asynchronous.asynchronousForm.resources
...........\....................\............\...\.....\Asynchronous.csproj.GenerateResource.Cache
...........\....................\............\...\.....\Asynchronous.exe
...........\....................\............\...\.....\Asynchronous.pdb
...........\....................\............\...\.....\Asynchronous.Properties.Resources.resources
...........\....................\............\...\Debug
...........\....................\............\obj
...........\....................\............\program.cs
...........\....................\............\Properties\AssemblyInfo.cs
...........\....................\............\..........\Resources.Designer.cs
...........\....................\............\..........\Resources.resx
...........\....................\............\..........\Settings.Designer.cs
...........\....................\............\..........\Settings.settings
...........\....................\............\Properties
...........\....................\............\ReadMe.htm
...........\....................\Asynchronous
...........\....................\Asynchronous.sln
...........\....................\Asynchronous.suo
...........\Asynchronous Queries
...........\.ttaching a database with your application\AttachDBFileName\app.config
...........\..........................................\................\AttachDBFileName.csproj
...........\..........................................\................\AttachDBFileName.csproj.user
...........\..........................................\................\attachDBFileNameForm.cs
...........\..........................................\................\attachDBFileNameForm.Designer.cs
...........\..........................................\................\attachDBFileNameForm.resx
...........\..........................................\................\Database1\PerfTest.mdf
...........\..........................................\................\.........\PerfTest_log.LDF
...........\..........................................\................\Database1
...........\..........................................\................\........2\PerfTest.mdf
...........\..........................................\................\.........\PerfTest_log.LDF
...........\..........................................\................\Database2
...........\..........................................\................\PerfTest.mdf
...........\..........................................\................\PerfTestDataSet.cs
...........\..........................................\................\PerfTestDataSet.Designer.cs
...........\..........................................\................\PerfTestDataSet.xsc
...........\..........................................\................\PerfTestDataSet.xsd
...........\..........................................\................\PerfTestDataSet.xss
...........\..........................................\................\PerfTest_log.ldf
...........\..........................................\................\program.cs
...........\..........................................\................\Properties\AssemblyInfo.cs
...........\..........................................\................\..........\Resources.Designer.cs
...........\..........................................\................\..........\Reso