背景: 之前项目使用的是DB first/Model first,现在要对EF升级的6.0,并且更换成Code first。 问题: 1. System.Data.Entity.Core.MetadataException: Unable to load the specified metadata resource. <add name="TestContext"connectionString="metadata=res://*/Test.csdl|res://*/Test.ssdl| res://*/Test.m...
<add name="dvapEntities"connectionString="metadata=res://*/EF6.ModelTest.csdl|res://*/EF6.ModelTest.ssdl|res://*/EF6.ModelTest.msl;provider=MySql.Data.MySqlClient;provider connection string="server=localhost;user id=root;password=12345;database=dvap""providerName="System.Data.EntityClient"...
EntityFramework6⾃定义连接字符串ConnectionString连接MySQL 在开始介绍之前，⾸先来看看官⽅对Entity Framework的解释：Entity Framework (EF) is an object-relational mapper that enables .NET developers to work with relational data using domain-specific objects. It eliminates the need for most of ...
Connection String Examples The examples show the connection strings as they appear in the ConnectionStrings element of the Web.config file, where the connectionString attribute must be accompanied by a providerName attribute. In all of the examples, if you are using Entity Framework Code First, Conn...
连接字符串(connection string)的名称必须匹配DbContext类的名称。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 using System;using System.Data.Entity;namespace MvcMovie.Models{publicclassMovie{publicintID{get;set;}publicstring Title{get;set;}publicDateTime ReleaseDate{get;set;}publicstring Genre{...
Connection String Examples The examples show the connection strings as they appear in the ConnectionStrings element of the Web.config file, where the connectionString attribute must be accompanied by a providerName attribute. In all of these examples, if you are using Entity Framework Code ...
问如何在不对nameOrConnectionString进行硬编码的情况下使用EF CodeFirst迁移EN在计算机程序或文本编辑中，...
When I run the command: dotnet ef dbcontext scaffold "<connection-string>" Microsoft.EntityFrameworkCore.SqlServer -o "Data" -c "ApiDbContext" -f It generates a ApiDbContext.cs file with the following: protected override void OnConfiguri...
This will not work correctly. To fix this problem do not remove the line of code that throws this exception. If you wish to use Database First or Model First, then make sure that the Entity Framework connection string is included in the app.config or web.config of the start-up project...
MultipleActiveResultSets=True;App=EntityFramework" providerName="System.Data.SqlClient" /> <add name="Model2" connectionString="data source=(localdb)\MSSQLLocalDB;initial catalog=Blogging;integrated security=True;MultipleActiveResultSets=True;App=EntityFramework" providerName="System.Data.SqlClient"...