#region 上载文件
    /// <summary>
    /// 上载文件.
    /// </summary>
    /// <param name="filePath"></param>
    /// <returns></returns>
    public bool UploadFile(FileUpload fileU, out string filePath)
    {
        bool bReturn = false;
        string uploadFileName = string.Empty;        FileInfo info;
        info = new FileInfo(fileU.PostedFile.FileName);
        string strExten = info.Extension;
        Guid storageName = Guid.NewGuid();
        uploadFileName = info.Name.Trim();//上传后存贮的文件名
        try
        {
            filePath = Const.UpLoadPath + "\\" + storageName + strExten;
            fileU.PostedFile.SaveAs(filePath);
            bReturn = true;
        }
        catch
        {
            throw new Exception("UpLoad Error !");
        }
        return bReturn;
    }
    #endregion