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我在我的webform中使用Ajax控件工具包中的AjaxFilUpload。如果文件大小超過一定大小,我想檢查文件大小並取消上傳。我已經在OnClientUploadStart & OnClientUploadComplete中試過了,但是這樣做後文件仍然顯示在頁面上上傳。AjaxFileUpload cancelUpload()不起作用
網絡表單:
<div>
<ajaxToolkit:AjaxFileUpload ID="AjaxFileUpload1" runat="server" OnUploadComplete="AjaxFileUpload1_UploadComplete" OnUploadStart="AjaxFileUpload1_UploadStart"
OnClientUploadCompleteAll="onUploadCompleteAll" OnClientUploadComplete="onUploadComplete" OnClientUploadStart="onUploadStart" />
</div>
的Javascript:
function onUploadStart(sender, args) {
sender.cancelUpload();
}
function onUploadComplete(sender, args) {
sender.cancelUpload();
}
Web.config文件:
<handlers>
<add name="AjaxFileUploadHandler" verb="*"
path="AjaxFileUploadHandler.axd"
type="AjaxControlToolkit.AjaxFileUploadHandler,
AjaxControlToolkit"/>
</handlers>
,我該怎樣取消上傳嗎?