Description: * Database (text) ↑ DAL (DATA Access Layer) Data Access Layer- DLL ↑ BLL (BusinessLogicalLayer) switching logic layer- DLL ↑ UIL (UserInterfaceLayer) user interface layer- called* Project Requirements: Demo (Presentation)* Debugging: F10 F11 execute the entire method to perform a single method to delete the data as 1. put data into memory 2 out of 3 in memory deleted. the information saved to a file (overwrite the original file)
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File list (Check if you may need any files):
BusinessLogicalLayer\BusinessLogicalLayer.csproj
....................\Course.cs
....................\CourseCollection.cs
....................\obj\BusinessLogicalLayer.csproj.FileList.txt
....................\Properties\AssemblyInfo.cs
....................\Score.cs
....................\ScoreCollection.cs
....................\Student.cs
....................\StudentCollection.cs
....................\obj\Debug\TempPE
....................\bin\Debug
....................\obj\Debug
....................\bin
....................\obj
....................\Properties
BusinessLogicalLayer
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