private void RedirectToNewUpload() { Response.Redirect("PhotoInfo.aspx?uploadId=" Guid.NewGuid().ToString() "&action=" strViewType "&id=" BTSID); } private void Page_Load(object sender, System.EventArgs e) { ... UploadedFileCollection parts = HttpUploadModule.GetUploadedFiles(); if (Request.QueryString["uploadId"] == null) RedirectToNewUpload(); ... } private void btUpload_Click(object sender, System.EventArgs e) { UploadedFileCollection parts = HttpUploadModule.GetUploadedFiles(); string uppath = System.Configuration.ConfigurationSettings.AppSettings["UploadPath"]; try { if (parts != null) { foreach (UploadedFile part in parts) { if(part.ContentLength==0) return; if(File.Exists(uppath part.ClientName)) { File.Delete(uppath part.ClientName); } part.SaveAs(uppath part.ClientName); Byte[] FileByteArray = new Byte[part.ContentLength]; //图象文件临时储存Byte数组 FileStream fs = new FileStream(uppath part.ClientName, FileMode.Open); fs.Read(FileByteArray,0,Convert.ToInt32(part.ContentLength)); fs.Close(); File.Delete(uppath part.ClientName); //使用FileByteArray来保存得到的数据 } RedirectToNewUpload(); }