Retrieve multiple selected records from Grid using X++. in AX dynamics 2012

Retrieve all selected records of a datasource in a Grid

    int             recordsCount;

    Student     studentLocal;

    super();

    

    recordsCount = student_ds.recordsMarked().lastIndex();  // Total no of marked records.

    studentLocal = student_ds.getFirst(1);

    

    while (studentLocal)

    {

        info(studentLocal.Name +" " +studentLocal.ID);

        studentLocal = student_ds.getNext();

    }