Gets the content length of the currently uploaded file.
An integer value specifying the content length.
Use the currentFileContentLength property to obtain the content length of the currently uploaded file. To get the content length of all files selected for upload, use the ASPxClientUploadControlUploadingProgressChangedEventArgs.totalContentLength property. The content length of a file that has already been uploaded can be obtained by using the ASPxClientUploadControlUploadingProgressChangedEventArgs.currentFileUploadedContentLength property.