Não reconhece a classe ConfigurationManager
using Microsoft.Data.Entity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Configuration;
namespace lojaComEntity.Entidades
{
class EntidadesContext : DbContext
{
public DbSet<Usuario> usuarios { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
//AQUI ---ConfigurationManager
string stringConexao = ConfigurationManager.ConnectionStrings["lojaConnectionString"].ConnectionsString;
optionsBuilder.UseSqlServer("stringConexao");
base.OnConfiguring(optionsBuilder);
}
}
}
