$(document).ready(function ()
 {
    var spread =
    new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
    var sheet = spread.getActiveSheet();

    // Set the backcolor and forecolor for the entire column header.
    var row = sheet.getRange(0, -1, 1, -1, GC.Spread.Sheets.SheetArea.colHeader);
    row.backColor("Red");
    row.foreColor("White");

    // Set the backcolor of second row header.
    sheet.getCell(1, 0, GC.Spread.Sheets.SheetArea.rowHeader).backColor("Yellow");
});