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Fix concurrency issues with Blazor Server projects

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This commit is contained in:
Mark J Price 2023-02-23 16:11:36 +00:00
parent 6532dc4445
commit c4cc018c77
4 changed files with 20 additions and 8 deletions
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4
vs4win/PracticalApps/Northwind.Common.DataContext.SqlServer/NorthwindContextExtensions.cs
View file

@ -23,7 +23,9 @@ public static class NorthwindContextExtensions
options.LogTo(WriteLine, // Console
new[] { Microsoft.EntityFrameworkCore
.Diagnostics.RelationalEventId.CommandExecuting });
});
},
// Register with a transient lifetime to avoid concurrency issues with Blazor Server projects.
contextLifetime: ServiceLifetime.Transient, optionsLifetime: ServiceLifetime.Transient);
return services;
}

10
vs4win/PracticalApps/Northwind.Common.DataContext.Sqlite/NorthwindContextExtensions.cs
View file

@ -10,11 +10,13 @@ public static class NorthwindContextExtensions
/// </summary>
/// <param name="services"></param>
/// <param name="relativePath">Set to override the default of ".."</param>
/// <param name="databaseFilename">Set to override the default of "Northwind.db"</param>
/// <returns>An IServiceCollection that can be used to add more services.</returns>
public static IServiceCollection AddNorthwindContext(
this IServiceCollection services, string relativePath = "..")
this IServiceCollection services, string relativePath = "..",
string databaseFilename = "Northwind.db")
{
string databasePath = Path.Combine(relativePath, "Northwind.db");
string databasePath = Path.Combine(relativePath, databaseFilename);
services.AddDbContext<NorthwindContext>(options =>
{
@ -23,7 +25,9 @@ public static class NorthwindContextExtensions
options.LogTo(WriteLine, // Console
new[] { Microsoft.EntityFrameworkCore
.Diagnostics.RelationalEventId.CommandExecuting });
});
},
// Register with a transient lifetime to avoid concurrency issues with Blazor Server projects.
contextLifetime: ServiceLifetime.Transient, optionsLifetime: ServiceLifetime.Transient);
return services;
}

4
vscode/PracticalApps/Northwind.Common.DataContext.SqlServer/NorthwindContextExtensions.cs
View file

@ -23,7 +23,9 @@ public static class NorthwindContextExtensions
options.LogTo(WriteLine, // Console
new[] { Microsoft.EntityFrameworkCore
.Diagnostics.RelationalEventId.CommandExecuting });
});
},
// Register with a transient lifetime to avoid concurrency issues with Blazor Server projects.
contextLifetime: ServiceLifetime.Transient, optionsLifetime: ServiceLifetime.Transient);
return services;
}

10
vscode/PracticalApps/Northwind.Common.DataContext.Sqlite/NorthwindContextExtensions.cs
View file

@ -10,11 +10,13 @@ public static class NorthwindContextExtensions
/// </summary>
/// <param name="services"></param>
/// <param name="relativePath">Set to override the default of ".."</param>
/// <param name="databaseFilename">Set to override the default of "Northwind.db"</param>
/// <returns>An IServiceCollection that can be used to add more services.</returns>
public static IServiceCollection AddNorthwindContext(
this IServiceCollection services, string relativePath = "..")
this IServiceCollection services, string relativePath = "..",
string databaseFilename = "Northwind.db")
{
string databasePath = Path.Combine(relativePath, "Northwind.db");
string databasePath = Path.Combine(relativePath, databaseFilename);
services.AddDbContext<NorthwindContext>(options =>
{
@ -23,7 +25,9 @@ public static class NorthwindContextExtensions
options.LogTo(WriteLine, // Console
new[] { Microsoft.EntityFrameworkCore
.Diagnostics.RelationalEventId.CommandExecuting });
});
},
// Register with a transient lifetime to avoid concurrency issues with Blazor Server projects.
contextLifetime: ServiceLifetime.Transient, optionsLifetime: ServiceLifetime.Transient);
return services;
}