jasperDesign.addField(field);
field = new JRDesignField();
field.setName("FirstName");
field.setValueClass(java.lang.String.class);
jasperDesign.addField(field);
field = new JRDesignField();
field.setName("LastName");
field.setValueClass(java.lang.String.class);
jasperDesign.addField(field);