How to Use Find Method in Table & Form Level

1)How to use Find Method in Table Level.

public void modifiedField(fieldId _fieldId)

{

;

super(_fieldId);

switch(_fieldId)

{

case fieldNum(Cust_new,AccountNum) :

{

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

}

break;

}

}

2.How to use find Method in form Level

Form->DS->Field->modified()

public void modified()

{

CustTable ct;

;

super();

Cust_new.Name = CustTable::find(Cust_new.AccountNum).Name;

// Or we can use following code

//ct = CustTable::find(Cust_new.AccountNum);

//Cust_new.Name = ct.Name;

}