Display and Edit methods : in ax 2012

Display and Edit methods  Examples:
First Create 3 methods in CustTable as following:

1)
display CustBankAccountId displaybankgroup() // to display bankaccountid
{
    CustBankAccount custBankAccount;
    BankGroup            bankGroup;
   // BankAccountTable bankAccountTable;
    ;

 /*   select accountid from custBankAccount
        where custBankAccount.CustAccount==this.AccountNum ;
    return custBankAccount.AccountID;
 */
   return CustTable::find(this.AccountNum).BankAccount;
}


2)
display Name displayname() // to display name
{
    DirPartyTable dirPartyTable;
    CustTrans       custtrans;
    Name               name;
    ;

    name = CustTable::find(this.AccountNum).name();

    //info(name);
    /*select Name from dirPartyTable
        where dirPartyTable.RecId==this.Party;
    return dirPartyTable.Name;
    */
    return CustTable::find(this.AccountNum).name();
}

3)
public edit Name editname(
    boolean _set,
    CustTable _CustTable,
    Name _name
    )                                               // To display name and also we can the Edit name 
{
    DirPartyTable dirpartytable;

    if (_set)
    {
        ttsBegin;
        dirpartytable = DirPartyTable::findRec(CustTable::find(this.AccountNum).Party,true);
        dirpartytable.Name = _name;
        dirpartytable.update();
        ttsCommit;

    }
    return  _CustTable.name();
}




N ow Create a new Form like below:

 

























Add the fields like above in grid set datasource as custtable and  fill the datamethod property of all fields respectively