column type : set 'combo'

    combokey : array type 

    (ex) var array = [code list,  combo title]

    var codeList  = [{code : '111', name : '111'}, {code : '222', name : '222'}]
    var codeList2 = [{code : 'AAA', name : 'AAA'}, {code : 'BBB', name : 'BBB'}]
    var column =  [
        { id: "text1", name: "text1", type: "text"  , readonly : false, width: "100", align: 'left' },
        { id: "text2", name: "text2", type: "text"  , readonly : false, width: "100", align: 'left' },
        { id: "date1", name: "combo1", type: "combo" , combokey : [codeList  , 'select'], readonly : false, width: "100", align: 'center' },
        { id: "date2", name: "combo2", type: "combo" , combokey : [codeList2 , 'select'], readonly : false, width: "100", align: 'center' }
    ];
    var option = {};
    var count = column.length;
    var data = [];
    for (var rowIndex = 0; rowIndex < 9; rowIndex++) {
        var item = {};
        for (var i = 0; i < count; i++) {
            var col = column[i];
            if (col.type == 'combo') item[col.id] = '';
            else item[col.id] = col.name + '-' + rowIndex.toString() + '-' + i.toString();
        }
        data.push(item);
    }
    var grid1 = new WdtGrid('grid1');
    grid1.create(column, option);
    grid1.setData(data);