asp.net中fileupload控件同步刷新图片要怎么解决FileUpload1.Attributes.Add("onchange", "javascript:__doPostBack('" + LinkButton1.UniqueID + "','')");asp.net怎么用FileUpload上传了图片之后在image中显示出来？怎样F...
ASP.NET中FileUpload上传图片时，我希望把用户上传的图片名字修改为系统当期时间string randomStr = DateTime.Now.ToFileTime().ToString();//当前时间生成的文件名字 string path = Request.MapPath("~/images/upfile/");//图片要保存的路径 string pic1 = string.IsNullOrEmpty(this.Fil...
FileUpload1预览上传时的图片<form name="form1" action="" method="post" enctype="MULTIPART-DATA"> <input type="file" id="filepath" name="filepath"/> <input type="button" value="预览" onclick="yulan()"> <input ty...