CRUD examples

[VitalyTVA]

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[DevExpressExampleBot]

Please correct the project and update this pull request by pushing a new commit.

[BUILDING ERROR]
	OUTPUT: C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Bcl.HashCode, Version=1.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.EntityFrameworkCore, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.EntityFrameworkCore.Abstractions, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.EntityFrameworkCore.InMemory, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Caching.Abstractions, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Caching.Memory, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Configuration, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Configuration.Abstractions, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Configuration.Binder, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.DependencyInjection, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.DependencyInjection.Abstractions, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Logging, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Logging.Abstractions, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Options, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "Microsoft.Extensions.Primitives, Version=3.1.18.0, Culture=neutral, PublicKeyToken=adb9793829ddae60, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "System.Collections.Immutable, Version=1.2.5.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "System.ComponentModel.Annotations, Version=4.2.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "System.Diagnostics.DiagnosticSource, Version=4.0.5.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "System.Runtime.CompilerServices.Unsafe, Version=4.0.6.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Current\Bin\Microsoft.Common.CurrentVersion.targets(2203,5): warning MSB3245: Could not resolve this reference. Could not locate the assembly "System.Threading.Tasks.Extensions, Version=4.2.0.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL". Check to make sure the assembly exists on disk. If this reference is required by your code, you may get compilation errors. [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\Issues\IssuesContext.cs(1,17): error CS0234: The type or namespace name 'EntityFrameworkCore' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\MainWindow.xaml.cs(5,17): error CS0234: The type or namespace name 'EntityFrameworkCore' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\MainWindow.xaml.cs(60,78): error CS0234: The type or namespace name 'GridDeleteRowsValidationEventArgs' does not exist in the namespace 'DevExpress.Xpf.Grid' (are you missing an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\Issues\IssuesContext.cs(4,34): error CS0246: The type or namespace name 'DbContext' could not be found (are you missing a using directive or an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\Issues\IssuesContext.cs(12,16): error CS0246: The type or namespace name 'DbSet<>' could not be found (are you missing a using directive or an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\Issues\IssuesContext.cs(13,16): error CS0246: The type or namespace name 'DbSet<>' could not be found (are you missing a using directive or an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]
C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\Issues\IssuesContext.cs(5,25): error CS0246: The type or namespace name 'DbContextOptions<>' could not be found (are you missing a using directive or an assembly reference?) [C:\Temp\02388d99-d01b-4d8d-8aff-14e063b10559\tempTestingCS\CodeBehind\EFCore\InfiniteAsyncSource\InfiniteAsyncSource_hc1znh4k_wpftmp.csproj]

https://codecentralfarm.devexpress.devx/job/how-to-implement-crud-operations_21.2.2+/4/console