public void ChangeIncorrectData()
 {
     if (!char.IsUpper(Name[0]))
     {
         Name = Name.Remove(1, Name.Length - 1).ToUpper() + Name.Remove(0, 1);
     }
     if (!char.IsUpper(Surname[0]))
     {
         Surname = Surname.Remove(1, Surname.Length - 1).ToUpper() + Surname.Remove(0, 1);
     }
     if (Phone.Length > 17)
     {
         Phone = Phone.Remove(17);
     }
     if (Phone.Length < 17)
     {
         int dx     = 17 - Phone.Length;
         var addStr = new string('x', dx);
         Phone = Phone.Replace(Phone, Phone + addStr);
     }
     if (Passport.Length > 9)
     {
         Passport = Passport.Remove(9);
     }
     if (Passport.Length < 9)
     {
         int dx     = 9 - Passport.Length;
         var addStr = new string('0', dx);
         Passport = Passport.Insert(Passport.Length, addStr);
     }
 }