👁‍🗨 InvalidOperationException: The entity type myModel requires a primary key to be defined

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InvalidOperationException: The entity type myModel requires a primary key to be defined

18.02.2021 (👁5594)

An unhandled exception occurred while processing the request

InvalidOperationException: The entity type 'myModel' requires a primary key to be defined. If you intended to use a keyless entity type , call 'HasNoKey' in OnModelCreating

Keyless entity types

Lösung:

Wort [Key] vor die ID der Tablelle einfügen

[Key]

public int Idcontent { get; set; }

using System;

using System.Collections.Generic;

using System.ComponentModel.DataAnnotations;

#nullable disable

namespace CodeDocu.Models

{

public partial class ContentModel

{

//-------------< Class: Model_Project >-------------

#region Variables

//------------< Region: Variables >------------

//[Required]

[Key]

public int Idcontent { get; set; }

public string Title { get; set; }

public string TextContent { get; set; }

public string HtmlContent { get; set; }

public string Folder { get; set; }

public string Keywords { get; set; }

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