CONNECTION STRING FROM WEB.CONFIG (VS 13) TRANSPLANTED TO APPSETTING.JSON (VS 19)

Question

User-413595476 posted

How can I transfer a connection string from a web,config file taken from a project produced in virtual studio 13 (highlighted in yellow below) to a AppSetting.json  file in a project produced in virtual studio 19?

Errors: 

Web

HTTP Error 500.30 - ANCM In-Process Start Failure 

output
Exception thrown: 'System.FormatException' in Microsoft.Extensions.Configuration.FileExtensions.dll

 Included Below;
-AppSettings.json
-DAL.OutlineContext
-Models.Level1
_Models.Level2
-Models.levelJoin1

Programming Environment

___________________________________________________________________________________________________________________________

{
  "Logging": {
    "LogLevel": {
      "Default": "Warning"
    }
  },
  "AllowedHosts": "*",
  "ConnectionStrings": {

    "<add" "name=\"OutlineContext\"",
    "connectionString=\"Data Source=(LocalDb)\\v11.0;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\\Outline.mdf\"" "providerName=\"System.Data.SqlClient\"",
    "/>"

    // "cs": "Server=(localdb)\\mssqllocaldb;Database=cs-3e24dc9b-e3b5-4a06-b629-edeeed78359d;Trusted_Connection=True;MultipleActiveResultSets=true"
  }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
//
using Outline.Models;
using System.Data.Entity;
using System.Data.Entity.ModelConfiguration.Conventions;


namespace Outline.DAL
{
    public class OutlineContext : DbContext
    {
        public OutlineContext() : base("OutlineContext") // The name of the connection string is passed in to the constructor.
        {
        }
        public DbSet<Level1> Level1s { get; set; }
        public DbSet<Level2> Level2s { get; set; }
        public DbSet<Join1> Join1s { get; set; }

        protected override void OnModelCreating(DbModelBuilder modelBuilder)
        {
            modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
        }
    }
}

  

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Outline.Models
{
    public class Level1
    {
        int Level1ID { get; set; }

        string LevelString1 { get; set; }

        public virtual ICollection<Join1> Join1s { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Outline.Models
{
    public class Level2
    {
        int Leve21ID { get; set; }

        string Level2String1 { get; set; }


        public virtual ICollection<Join1> Join1s { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Outline.Models
{

    public class Join1
    {
        public int JoinID { get; set; }

        public int Level1ID { get; set; }

        public int Leve21ID { get; set; }

        public virtual Level1 Level1  { get; set; }

        public virtual Level2 Level2 { get; set; }
    }
}