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Entity Framework 7 scaffolding with original name


Entity Framework 7 scaffolding with original name

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Entity Framework 7 scaffolding with original name
Tag : chash , By : ravibits
Date : December 05 2020, 12:23 PM

will be helpful for those in need There may be a change in the 1.2 release to adjust the powershell parameters according to this :
https://github.com/aspnet/EntityFramework/issues/6018

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MVC 3 - Entity Framework - Scaffolding - Validation issue


Tag : asp.net-mvc , By : Heals1ic
Date : March 29 2020, 07:55 AM
help you fix your problem I've not used the DbContext generator, but have had similar issues with the POCO Generator. Assuming that the solution is similar:
Modify the T4 template that creates the entity classes to add an extra attribute to the class:
[MetadataType(typeof(CustomerMetaData))]
public class CustomerMetaData
{

    [StringLength(150, ErrorMessage="Maximum length is 150 characters.")]
    [Required(ErrorMessage="CustomerName is required.")]
    public virtual string CustomerName
    {
        get;
        set;
    }
    public virtual Nullable<int> Type
    {
        get;
        set;

    }

    // ... etc ...
}

MVC scaffolding does not support Entity Framework 6 or later


Tag : chash , By : pacorro2000
Date : March 29 2020, 07:55 AM
should help you out Thought this could use some expanding :) As mentioned above ASP.NET MVC 4 scaffolding does not support EF6 or higher. This means that an older EF, compatible with MVC 4 will have to be installed. To do this:
Open the Package Manager Console: select TOOLS -> Library Package Manager -> Package Manager Console

Entity Framework 1 to many Scaffolding


Tag : asp.net , By : mhedberg
Date : March 29 2020, 07:55 AM
I hope this helps . I have: , When you query the Regions, Include Muscles as well.
return db.Regions.Include(s=>s.Muscles)

Entity Framework Core Customize Scaffolding


Tag : chash , By : UnKnownUser
Date : March 29 2020, 07:55 AM
Hope this helps You can use DbContextWriter & EntityTypeWriter to customize scaffold output.
In newer versions of entity core writers renamed: DBContextWriter ==>> CSharpDbContextGenerator EntityTypeWriter ==>> CSharpEntityTypeGenerator
//HERE YOU CAN CHANGE THE WAY TYPES ARE GENERATED AND YOU CAN ADD INTERFACE OR BASE CLASS AS PARENT.
public class CustomEntitiyTypeWriter : EntityTypeWriter
{
    public CustomEntitiyTypeWriter([NotNull] CSharpUtilities cSharpUtilities)
        : base(cSharpUtilities)
    { }

    // Write Code returns generated code for class and you can raplec it with your base class
    public override string WriteCode([NotNull] EntityConfiguration entityConfiguration)
    {
        var classStr = base.WriteCode(entityConfiguration);

        var defaultStr = "public partial class " + entityConfiguration.EntityType.Name;
        var baseStr = "public partial class " + entityConfiguration.EntityType.Name + " : EntityBase";

        classStr = classStr.Replace(defaultStr, baseStr);

        return classStr;
    }      
}
public static void ConfigureDesignTimeServices(IServiceCollection services)
           => services.AddSingleton<EntityTypeWriter, CustomEntitiyTypeWriter>();

Entity Framework Core: Scaffolding to Avoid Data Loss after to change Model/Entity


Tag : asp.net-core , By : lewing
Date : March 29 2020, 07:55 AM
Does that help The safe way to upgrade production DB is to break it up in multiple steps:
Add new Market entity and attach it to Promotion entity without dropping the existing column EF will generate you a migration - CREATE TABLE + ADD FOREIGN KEY statements Make your code to update/insert/select new values from both Market table and Market column preferring Market table You deploy this. Now, you've got both old column with data and new table out there, being in sync for the new data. Write a data migration, which will copy old values from Market column to Market table. Run it. Now you've got your data moved to the new Market table and new data sitting in Market table Update your code to stop using old Market column. Deploy the change Remove Market column from you entity. EF will generate migration where column will be dropped. Deploy this. You now have your data and schema migrated
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