// Set the number of rows to 3.
    activeSheet.setRowCount(3, GC.Spread.Sheets.SheetArea.viewport);
    activeSheet.setValue(0, 0, "The 1st row", GC.Spread.Sheets.SheetArea.viewport);
    activeSheet.setValue(1, 0, "The 2st row", GC.Spread.Sheets.SheetArea.viewport);
    activeSheet.setValue(2, 0, "The 3st row", GC.Spread.Sheets.SheetArea.viewport);
    activeSheet.setColumnWidth(0, 90.0, GC.Spread.Sheets.SheetArea.viewport);

    $("#button1").click(function(){
        //Delete Row 2.
activeSheet.deleteRows(1, 1);
    });

    $("#button2").click(function(){
        //Delete Column 2.
 activeSheet.deleteColumns(1, 1);
    });

//Add button controls to page
<input type="button" id="button1" value="button1"/>
<input type="button" id="button2" value="button2"/>