public class SQLiteConfiguration : DbConfiguration {    public SQLiteConfiguration() {        SetProviderFactory("System.Data.SQLite", SQLiteFactory.Instance);        SetProviderFactory("System.Data.SQLite.EF6", SQLiteProviderFactory.Instance);        Type t = Type.GetType(                    "System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6");        FieldInfo fi = t.GetField("Instance", BindingFlags.NonPublic | BindingFlags.Static);        SetProviderServices("System.Data.SQLite", (DbProviderServices)fi.GetValue(null));    }}

[DbConfigurationType(typeof(SQLiteConfiguration))]public class AdminContext : DbContext {    public AdminContext() : base("name=AdminContext") { }    public AdminContext(DbConnection db) : base(db, false) { }    public DbSet<User> User { set; get; }}