上传ASPxUploadControl图像时获取文件大小是否有正确的方法？当文件上传时，我想显示文件大小。到目前为止，我还没有找到任何关于如何通过Google实现的示例代码。ASPxUploadControl获取文件大小

我当前的代码：

VB.NET

<dxuc:ASPxUploadControl ID="ASPxUploadControl1" runat="server" ShowProgressPanel="True" 
    ClientInstanceName="CompanyLogoUpload" FileUploadMode="OnPageLoad" ValidationSettings-GeneralErrorText="Upload Failed"> 
    <ClientSideEvents TextChanged="HandleFileInputTextChanged" FileUploadComplete="HandleFileUploadComplete" /> 
</dxuc:ASPxUploadControl>

ASP.NET

function HandleFileUploadComplete(e, s) 
    { 
     var imgSrc = $("img[id$=CompanyLogoImage]").attr("src"); 
     $("img[id$=CompanyLogoImage]").attr("src", imgSrc + "1"); 
    } 

    function HandleFileInputTextChanged(e, s) { 
     $("input[id$=UseCompanyLogoCheckBox]").attr("checked", true); 
     $("#ChangeLogoContainer").removeClass("overlay"); 
     CompanyLogoUpload.Upload(); 
    }

来源

2012-05-07 Amanada Smith

它看起来像jQuery而不是ASP.NET –

This blog post说明了如何为达到客户端事件显示上传的图片的缩略图。

<dxuc:ASPxUploadControl ID="ASPxUploadControl1" runat="server" 
       ClientInstanceName="uploader" 
       onfileuploadcomplete="ASPxUploadControl1_FileUploadComplete"> 
       <ClientSideEvents FileUploadComplete="function(s, e) { 
        debugger; 
        _aspxGetElementById('PreviewImage').src = e.callbackData; 
       }" /> 
      </dxuc:ASPxUploadControl>

来源

2012-05-07 16:32:08