Double_Clicked on Form Level Record  Will open New Form with Details Of that Line

ex: Bank contain account ,accc contains no of transactions
1)Create 2 Tables as show in fig .below
2)Apply Relations

3) create 2 Forms as per table 
4) In Parent Form Write Code in Button Clicked method and Gride MouseDbClicked method should write

5)write code in click method

VOID CLICKED()

{

    ARGS ARGS;

    FORMRUN FORMRUN;

    SUPER();// KEEP THIS TO CALL SUPER() WHEN OVERRIDING THE CLICKED METHOD

    ARGS = NEW ARGS();

    //TO LUCH THE FORM

    ARGS.NAME("DLSTRANSACTIONDETAILS");

    ARGS.RECORD(DLSACCOUNTDETAILS);

    FORMRUN = CLASSFACTORY.FORMRUNCLASS(ARGS);

    FORMRUN.INIT();

    FORMRUN.RUN();

    FORMRUN.WAIT();

}

Note:set propertie of clicked method Auto Declaration : Yes

6)MouseDbClick Method

public int mouseDblClick(int _x, int _y, int _button, boolean _Ctrl, boolean _Shift)

{

    int ret;

   ret = super(_x, _y, _button, _Ctrl, _Shift);

  Button.clicked();

   return ret;

}

Final Result