$(document).ready(function () {
      new GC.Spread.Sheets.Workbook(document.getElementById("ss"),{sheetCount:3});
      var sheet = spread.getActiveSheet();
      sheet.setValue(0, 0, "ABC", GC.Spread.Sheets.SheetArea.viewport);
      //　常時入力モードを設定します。
     spread.bind(GC.Spread.Sheets.Events.EnterCell, function (event, data) {
          var activeSheet = data.sheet;
          activeSheet.startEdit(true);
      });
  });