modelBuilder.Entity<ApplicationUser>().ToTable("User").Property(p => p.Id).HasColumnName("Id");
            modelBuilder.Entity<CustomUserRole>().ToTable("UserRole").HasKey(p => new { p.RoleId, p.UserId });
            modelBuilder.Entity<CustomUserLogin>().ToTable("UserLogin").HasKey(p => new { p.LoginProvider, p.ProviderKey, p.UserId });
            modelBuilder.Entity<CustomUserClaim>().ToTable("UserClaim").HasKey(p => p.Id).Property(p => p.Id).HasColumnName("UserClaimId");
            modelBuilder.Entity<CustomRole>().ToTable("Role").Property(p => p.Id).HasColumnName("RoleId");

public class FieldValidation
{
        public int Id { get; set; }
        public string Rule { get; set; }
        public virtual Field Field { get; set; }
}

<div class="col-md-4">
                                    <input type="text" name="[@i].TitleEn" data-val="true" data-val-required="عنوان را وارد نمائید" id="[@i].TitleEn" value="" />
                                    <span class="field-validation-valid text-danger" data-valmsg-for="[@i].TitleEn" data-valmsg-replace="true"></span>
                                </div>