activeSheet.addTable("Table1", 0, 0, 3, 3, GcSpread.Sheets.TableStyles.dark1());
activeSheet.getCell(0,0).text("Name");
activeSheet.getCell(0,1).text("Value");
activeSheet.getCell(0,2).text("T/F");
activeSheet.getCell(1,0).text("AW");
activeSheet.getCell(1,1).text("5");
activeSheet.getCell(1,2).text("T");
$("#button1").click(function () {
var table = activeSheet.findTable(0,0);
activeSheet.resizeTable(table, 4, 3);
//or
//var table = activeSheet.findTable(0,0);
//activeSheet.resizeTable(table, new GcSpread.Sheets.Range(0,0,4,4));
});