C#中文件上传代码

 FileUpload FileUpload1 =(FileUpload)ListView1.InsertItem.FindControl("FileUpload1");
        string virtualPath = "~/GigPics/";
        string physicalPath = Server.MapPath(virtualPath);
        string fileName =DateTime.Now.ToString("yyyyMMddhhmmss");//获取当前时间 年月日时分秒  大写的MM是月，小写的mm是分钟

string extention = System.IO.Path.GetExtension(FileUpload1.FileName); //存储文件到服务器 
FileUpload1.SaveAs(System.IO.Path.Combine(physicalPath, fileName + extention)); //设置虚拟目录的路径

 myPicture.ImageUrl = virtualPath + fileName + extention;