#眉標=Flash
#副標= DataSet 的應用
#大標=DataGrid結合DataSet的資料永續儲存
#作者=文／張仁邦

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程式1	Update Packets
<update_packet tableName="Friends" 
nullValue="{_NULL_}"
transID="IID18969118595">
<delete id="IID11295627477">
<field name="id" type="numeric" oldValue="1" 
key="true"/>
</delete>
<insert id="IID12345678901">
<field name="id" type="numeric" newValue="1" 
key="true"/>
<field name="name" type="string" newValue="Ben"
 key="false"/>
<field name="major" type="string" 
newValue="Flash" key="false"/>
</insert>
<update id="IID98765432101">
<field name="id" type="numeric" oldValue="1" 
key="true"/>
<field name="name" type="string" oldValue="Ben" 
newValue="BenBen" key="false"/>
<field name="major" type="string" 
oldValue="Flash" newValue="Flash MX 2004" 
key="false"/>
</update>
</update_packet>
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#程式2	Result Packets 基本型
<results_packet transID="IID18969118595" />
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#程式3	Result Packets 回傳處理結果
<results_packet transID="IID18969118595">
<operation op="delete" id="IID11295627477"
msg="未找到該筆紀錄" />
<operation op="update" id="IID98765432101">
<field name="id" msg="資料錯誤" />
</operation>
<operation op="insert" id="IID12345678901">
<field name="id" curValue="1" />
</operation>
</results_packet>
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程式4	載入初始化資料
var loadXML:XML = new XML();
loadXML.ignoreWhite = true;
loadXML.onLoad = function(success) {
var my_array:Array = new Array();
for (var i = 0; 
i<loadXML.firstChild.childNodes.length; i++) {
var i_xml:XML = loadXML.firstChild.childNodes[i];
my_array.push({id:i_xml.attributes.id
, name:i_xml.attributes.name
, major:i_xml.attributes.major});
}
_root.my_ds.dataProvider = my_array;
_root.my_dg.getColumnAt(0).editable = false;
};
loadXML.load("http://localhost:8080/XMLParser/
XMLParser");
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#程式5	新增與刪除按鈕
add_btn.addEventListener("click", {}.click=function
 () {
	_root.my_ds.addItem();
});
del_btn.addEventListener("click", {}.click=function
 () {
	_root.my_ds.removeItem();
});
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#程式6	儲存按鈕的事件處理
apply_btn.addEventListener("click", 
{}.click=function () {
	_root.my_ds.applyUpdates();
});
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#程式7	RDBMSResolver 的事件處理
my_resolver.addEventListener("beforeApplyUpdates",
{}.beforeApplyUpdates=function (eventObj) {
trace(eventObj.updatePacket);
var resultXML:XML = new XML();
resultXML.ignoreWhite = true;
resultXML.onLoad = function(success) {
trace(resultXML);
_root.my_resolver.updateResults = resultXML;
};
var my_lv:LoadVars = new LoadVars();
my_lv.xml = eventObj.updatePacket;
my_lv.sendAndLoad(
"http://localhost:8080/XMLParser/XMLParser2", 
resultXML, "POST");
});
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#程式8	RDBMSResolver 接收回傳資料的事件處理
my_resolver.addEventListener("resolveDelta", 
{}.resolveDelta=function (eventObj) {
var errs:Array = eventObj.data;
for (var i = 0; i<errs.length; i++) {
trace(errs[i].getMessage());
}
});
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