public IQueryable<ContactInformation> searchByPhone(string phone, int userID)
 {
     LINQDatabaseService ds = new LINQDatabaseService();
     if (ds.phoneExists(phone, userID) == true)
         return ds.getContact(new string[] { phone }, "Phone", userID);
     return null;
 }
 public bool addContact(string txtFirstName, string txtLastname, string ddlTitle, 
                        string ddlAreaCode, string txtPhoneNumber, string txtAddress, 
                        string ddlState, string txtEmail, string txtComment,
                        bool chkRemember, DateTime dob, int userID)
 {
     LINQDatabaseService ds = new LINQDatabaseService();
     if (ds.fullNameExists(txtFirstName, txtLastname, userID) == false && ds.phoneExists(txtPhoneNumber, userID) == false && 
         ds.saveContact( txtFirstName,  txtLastname,  ddlTitle, 
                         ddlAreaCode,  txtPhoneNumber,  txtAddress, 
                         ddlState,  txtEmail,  txtComment,
                         chkRemember, dob, userID))
         return true;            
     else
         return false;
     
 }