我添加了 appsettings.json 以获取连接字符串,但我无法获取我的连接字符串。这是我的代码。
public class MovieTheaterDBContextFactory : IDesignTimeDbContextFactory<MovieTheaterDBContext>
{
public MovieTheaterDBContext CreateDbContext(string []Args)
{
IConfigurationRoot configuration = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.Build();
var ConnectionString = configuration.GetConnectionString("MovieTheaterDBContext");
//var ConnectionString = "Server=DESKTOPM4\\SQLEXPRESS;Database=MovieTheaterManagerment;Trusted_Connection=True;";
var optionsBuilder = new DbContextOptionsBuilder<MovieTheaterDBContext>();
optionsBuilder.UseSqlServer(ConnectionString);
return new MovieTheaterDBContext(optionsBuilder.Options);
}
}
appsettings.json:
{
"ConnectionStrings":
{
"MovieTheaterDBContext": "Server=DESKTOPM4\\SQLEXPRESS;Database=EshopSolution;Trusted_Connection=True;"
}
}
更新:这是我的错误,我没有将此项目设置为启动项目。所以它找不到appsettings.json。
答案 0 :(得分:0)
右键单击 appsettings.json 文件并转到属性并将“复制到输出目录”选项更改为“始终复制”