前台代码   <uc3:BlowUpPicture ID="BlowUpPicture1" runat="server" StoreID="Store1"    Callback="insertImage" Folder="~/DATA/images/" />
后台代码  
this.ImgT.ImageUrl = "~/DATA/images/" + Convert.ToString(ds.Tables[0].Rows[0]["IMG"]);
idno = this.tbxIdNo.Text;
        Session["idno"] = idno;
        this.BlowUpPicture1.Folder = "~/DATA/images/"+idno; private List<ImageInfo> GetImages(string path)
    {
        string serverPath = Server.MapPath(path);
        if (!Directory.Exists(serverPath))
        {
            Directory.CreateDirectory(serverPath);
        }
 // 保存图片到服务器上
                try
                {   
                   
                    String path = Path.Combine(Server.MapPath("~/DATA/images/"),this.tbxIdNo.Text);
                    if (!Directory.Exists(path))
                    {
                        Directory.CreateDirectory(path);
                    }
                    hpf.SaveAs(Path.Combine(path, Filename));
                    this.hiddenIMG.Value = Filename;
                }看看有什么问题,我不知道路径怎么改,