Basic Dialog Form in Ax 2012

class TTC_AY extends RunBase
{
    DialogField fieldName,fieldId;
    TTC_CustomerTable   custTable;
    TTC_CustomerTable2  custTable2;
    TTC_CustID custId;
    TTC_Name custName;
}




protected Object Dialog()
{
    Dialog dialog;
    ;
    dialog = super();
    dialog.caption('Atul Dialog');
    fieldId   =  dialog.addField(extendedTypeStr(TTC_CustID), 'Customer Id');
    fieldName     =  dialog.addField(extendedTypeStr(TTC_Name),'Customer Name');
    return dialog;
}

public boolean getFromDialog()

{

    custId     = fieldId.value();

    custName   = fieldName.value();

    return super();

}

public void run()

{

    while select * from custTable

        where custTable.Name == custName

            && custTable.Id == custId

    if (custTable)

    {

        info( strFmt('%1 -- %2',custTable.Id, custTable.Name));

        custTable2.Id           = custTable.Id;

        custTable2.Name         = custTable.Name;

        custTable2.Email        = custTable.Email;

        custTable2.Phone        = custTable.Phone;

        custTable2.Gender       = custTable.Gender;

        custTable2.CustomerType = custTable.CustomerType;

        custTable2.Balance      = custTable.Balance;

        custTable2.Age          = custTable.Age;

        custTable2.Address      = custTable.Address;

        custtable2.insert();

    }

    else

    {

        error( 'Customer not found!');

    }

}

public static void main(Args _args)

{

    TTC_AY custCreate = new TTC_AY();

    if (custCreate.prompt())

    {

        custCreate.run();

    }

}