ASP.Net文件上载导致使用触发器在更新面板中发回
我有文件上传控制上传个人资料图片使用更新面板。我在更新面板中使用了AsyncPostBackTrigger,但页面仍然会导致完全回发ASP.Net文件上载导致使用触发器在更新面板中发回,asp.net,file-upload,updatepanel,postback,asyncfileupload,Asp.net,File Upload,Updatepanel,Postback,Asyncfileupload,我有文件上传控制上传个人资料图片使用更新面板。我在更新面板中使用了AsyncPostBackTrigger,但页面仍然会导致完全回发 <asp:UpdatePanel ID="pnlZerkerBasicProfile" runat="server"> <ContentTemplate> <input type="file" id="myFile" name="myFile" class="file_input_hidden"
<asp:UpdatePanel ID="pnlZerkerBasicProfile" runat="server">
<ContentTemplate>
<input type="file" id="myFile" name="myFile" class="file_input_hidden"
onchange="javascript:FileUploadSubmit();" style="cursor: pointer;" />
<asp:Button ID="btnSaveProfilePicture" runat="server"Text="Upload"
OnClick="btnSaveProfilePicture_Click" />
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btnSaveProfilePicture" />
</Triggers>
</asp:UpdatePanel>
下面是我的内联代码
<asp:UpdatePanel ID="pnlZerkerBasicProfile" runat="server">
<input type="file" id="myFile" name="myFile" class="file_input_hidden" onchange="javascript:FileUploadSubmit();" style="cursor: pointer;" />
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnSaveProfilePicture" />
</Triggers>
有人能帮忙吗?将触发器更改为回发触发器,因为当通过更新面板进行异步回发时,Request.Form.AllKeys中不提供文件上载。见此: 这应该行得通
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="true" />
<div>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="conditional">
<Triggers>
<asp:PostBackTrigger ControlID="Button1" />
</Triggers>
<ContentTemplate>
<asp:FileUpload ID="FileUpload1" runat="server" />
<asp:Button ID="Button1" runat="server"Text="Upload" OnClick="Button1_Click" />
</ContentTemplate>
</asp:UpdatePanel>
</div>
此代码应该有效。它不会导致回发
<asp:UpdatePanel ID="pnlZerkerBasicProfile" runat="server">
<ContentTemplate>
<input type="file" id="myFile" name="myFile" class="file_input_hidden"
onchange="javascript:FileUploadSubmit();" style="cursor: pointer;" />
<asp:Button ID="btnSaveProfilePicture" runat="server"Text="Upload"
OnClick="btnSaveProfilePicture_Click" />
</ContentTemplate>
<Triggers>
<asp:PostBackTrigger ControlID="btnSaveProfilePicture" />
</Triggers>
</asp:UpdatePanel>
谢谢您的回答,但我不想发回页面。还有别的选择吗?