1.通常我們會用url傳值來傳遞資料量較小的一些資料，如一些參數等，會利用session傳遞一些全域的會話級的變數。但要表單之間傳遞一些較複雜的資料，用session生命週期太長，可能不合適。用URL傳值，漢字可能出現編碼錯誤，而且可以傳遞的最大資料量比較有限。
2.我們可以利用模態對話方塊的dialogArguments屬性來實現跨頁面的資料傳遞，
通過如下方式可獲得模態對話方塊的dialogArguments屬性:
var Variables = window.dialogArguments
利用該屬性可獲得模態對話方塊的傳入參數，可以是String, numeric, object, or array value that specifies arguments.尤其是對象或數組型的參數，對於在頁面之間傳遞資料非常有用。舉例如下：
傳入頁面：
<HTML>
<HEAD>
<SCRIPT>
function AddNew(meetingID) {
var obj=new Object();
obj.name="qiubinchao";
obj.tel="12345678"; var strUrl="../MeetingManage/NewMeeting.aspx?id="+meetingID; window.showModalDialog(strUrl,obj,"dialogHeight:700px;dialogWidth=900px;dialogTop=10px;dialogLeft:50px;"); window.location="../MeetingManage/MeetingPublishedList.aspx"; }
</SCRIPT>
</HEAD>
<BODY>
<BUTTON >Launch The Window</BUTTON>
</BODY>
</HTML>
接收頁面：
<HTML>
<HEAD>
<SCRIPT>
var oMyObject = window.dialogArguments;
var name= oMyObject.name;
var tel= oMyObject.tel;
</SCRIPT>
<title>Untitled</title>
</head>
<BODY STYLE="font-family: arial; font-size: 14pt; color: Snow;
background-color: RosyBrown;">
Name:
<SPAN STYLE="color:00ff7f">
<SCRIPT>
document.write(name);
</SCRIPT>
</SPAN>
<BR>
Tel:
<SPAN STYLE="color:00ff7f">
<SCRIPT>
document.write(tel);
</SCRIPT>
</SPAN>
</BODY>
</HTML>
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