public void InsertPeople(string NationalCode, string FirstName, string LastName, string FathersName, string Tel, string Mobile, string BirthCity, string PostalCode, string Picture, string Role, DateTime CreateDateTime, string Password, decimal Contribution)
 {
     dc.PeopleInsertCommand(NationalCode, FirstName, LastName, FathersName, Tel, Mobile, BirthCity, PostalCode, Picture, Role, CreateDateTime, Password, Contribution);
 }