private int UpdateData()
        {
            string userid = Session["UserId"].ToString();
            int typeid = Convert.ToInt32(ddlMediaTypeList.SelectedValue);
            int topicid = Convert.ToInt32(ddlMediaTopicList.SelectedValue);
            int albumid = Convert.ToInt32(ddlAlbumList.SelectedValue);
            int artistid = Convert.ToInt32(ddlArtistList.SelectedValue);
            int composerid = Convert.ToInt32(ddlComposerList.SelectedValue);
            int playlistid = Convert.ToInt32(ddlPlayList.SelectedValue);
            string title = txtFileTitle.Text;
            string description = txtDescription.Value;
            string dimension =string.Empty;
            string source = txtSource.Text;
            string status = "0";
            int autostart = 0;
            int medialoop = 0;

            if (chkAutoStart.Checked == true)
                autostart = 1;
            if (chkMedialoop.Checked == true)
                medialoop = 1;
            if (chkIsFilePublished.Checked == true)
                status = "1";
            /*** UPLOAD ************************************************************************************************************/
            string[] FileImg = new String[2];
            string front_image = string.Empty; string main_image = string.Empty;
            string front_path = Server.MapPath(upload_front_image_dir);
            string main_path = Server.MapPath(upload_main_image_dir);

            string Orginal_front_image = ViewState["Thumbnail"].ToString();
            string Orginal_main_image = ViewState["Photo"].ToString();

            //if (FileUpload1.HasFile)
            if (Session["FileUpload1"] != null && Session["FileUpload1"].ToString() != string.Empty)
            {
                FileHandleClass file_bj = new FileHandleClass();
                FileImg = file_bj.upload_front_main_image(FileUpload1, front_path, main_path, 120, 120);
                main_image = FileImg[0];
                front_image = FileImg[1];
                //System.Drawing.Image img1 = System.Drawing.Image.FromFile(front_path+ "/" + front_image);                
                imgPhoto.ImageUrl = upload_front_image_dir + "/" + front_image;
                DeleteFrontImage(Orginal_front_image);
                DeleteMainImage(Orginal_main_image);
            }
            else
            {
                front_image = Orginal_front_image;
                main_image = Orginal_main_image;
            }
            ////========================================================================================================================

            /*** UPLOAD FILE*************************************************************************************************************/
            string filename = string.Empty; string fileurl = string.Empty, file_ext = string.Empty;
            string Orginal_File = ViewState["FileName"].ToString();
            int TypeId = Convert.ToInt32(ddlMediaTypeList.SelectedValue);
            MediaTypes media_type_obj = new MediaTypes();
            Media_Types type_obj = media_type_obj.GetDetails(TypeId);
            string TypeExt = type_obj.TypeExt.Trim();
            string TypePath = type_obj.TypePath;
            string dir_path = Server.MapPath("~/" + TypePath + "/" + topicid);
            string[] arr_list = GetArray(TypeExt);

            if (rdlFileUpload.SelectedValue == "0")
            {
                HttpPostedFile posted_file = File1.PostedFile;
                if (posted_file.ContentLength > 0)
                {
                    file_ext = System.IO.Path.GetExtension(posted_file.FileName).ToLower().Trim();
                    if (!Directory.Exists(dir_path))
                        Directory.CreateDirectory(dir_path);                   

                    for (int i = 0; i < arr_list.Length; i++)
                    {
                        if (file_ext == arr_list[i].ToString())
                        {
                            FileHandleClass file_obj = new FileHandleClass();
                            filename = file_obj.uploadInputFile(posted_file, dir_path);
                            fileurl = string.Empty;
                            DeleteMediaFile(Orginal_File);
                        }
                    }
                }
                else
                    filename = ViewState["FileName"].ToString();
            }
            else if (rdlFileUpload.SelectedValue == "1")
            {
                file_ext = System.IO.Path.GetExtension(txtFileUrl.Text).ToLower().Trim();
                filename = System.IO.Path.GetFileName(txtFileUrl.Text);
                for (int i = 0; i < arr_list.Length; i++)
                {
                    if (file_ext == arr_list[i].ToString())
                    {
                        fileurl = txtFileUrl.Text;
                        filename = string.Empty;
                    }
                }
                if (fileurl.Length <= 0)
                {
                    fileurl = ViewState["FileUrl"].ToString();
                }
            }
            if (filename == string.Empty && fileurl == string.Empty)
            {
                filename = ViewState["FileName"].ToString();
                fileurl = ViewState["FileUrl"].ToString();
            }
            /************************************************************************************************************************/

            MediaFiles media_obj = new MediaFiles();
            int relust = media_obj.Update(_idx, userid, typeid, topicid, playlistid, albumid, artistid, composerid, filename, fileurl, title, description,
                           autostart, medialoop, dimension, source, main_image, front_image, status);
            return relust;
        }
        private int UpdateData()
        {
            string userid = Session["UserId"].ToString();
            int typeid = Convert.ToInt32(ddlMediaTypeList.SelectedValue);
            int topicid = Convert.ToInt32(ddlMediaTopicList.SelectedValue);
            int albumid = Convert.ToInt32(ddlAlbumList.SelectedValue);
            int artistid = Convert.ToInt32(ddlArtistList.SelectedValue);
            int composerid = Convert.ToInt32(ddlComposerList.SelectedValue);
            int playlistid = Convert.ToInt32(ddlPlayList.SelectedValue);
            string title = txtFileTitle.Text;
            string description = txtDescription.Value;
            string dimension = txtDimension.Text;
            string source = txtSource.Text;
            string status = "0";
            int autostart = 0;
            int medialoop = 0;

            if (chkAutoStart.Checked == true)
                autostart = 1;
            if (chkMedialoop.Checked == true)
                medialoop = 1;
            if (chkIsFilePublished.Checked == true)
                status = "1";
            /*** UPLOAD IMAGE************************************************************************************************************/

            string Orginal_Photo = ViewState["Photo"].ToString();
            string Orginal_Thumbnail = ViewState["Thumbnail"].ToString();

            string[] FileImg = new String[2];
            string photo = string.Empty; string thumbnail = string.Empty;
            string front_path = Server.MapPath(front_image_dir);
            string main_path = Server.MapPath(main_image_dir);
            HttpPostedFile myfile = File2.PostedFile;
            if (chkAutoCreateThumbnail.Checked == true)
            {
                if (myfile.ContentLength > 0)
                {
                    if (System.IO.Directory.Exists(front_path) && System.IO.Directory.Exists(main_path))
                    {
                        FileHandleClass file_obj = new FileHandleClass();
                        FileImg = file_obj.uploadFrontMainInputFile(myfile, front_path, main_path, 120, 120);
                        photo = FileImg[0];
                        thumbnail = FileImg[1];
                        DeleteFrontImage(Orginal_Photo);
                        DeleteMainImage(Orginal_Thumbnail);
                    }
                    else
                    {
                        string scriptCode = "<script>alert('Đường dẫn không tồn tại.');</script>";
                        Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "scriptName", scriptCode);
                    }
                }
                else
                {
                    photo = ViewState["Photo"].ToString();
                    thumbnail = ViewState["Thumbnail"].ToString();
                }
            }
            else
            {
                if (myfile.ContentLength > 0)
                {
                    FileHandleClass file_handle_obj = new FileHandleClass();
                    photo = file_handle_obj.uploadFixedInputFile(myfile, front_path, 120, 120);
                    DeleteFrontImage(Orginal_Photo);
                }
                else
                {
                    photo = ViewState["Photo"].ToString();
                    thumbnail = ViewState["Thumbnail"].ToString();
                }
            }
            ////========================================================================================================================
                        
            /*** UPLOAD FILE*************************************************************************************************************/
            string filename = string.Empty; string fileurl = string.Empty, file_ext = string.Empty;
            int TypeId = Convert.ToInt32(ddlMediaTypeList.SelectedValue);
            MediaTypes media_type_obj = new MediaTypes();
            Media_Types type_obj = media_type_obj.GetDetails(TypeId);
            string TypeExt = type_obj.TypeExt.Trim();
            string TypePath = type_obj.TypePath;
            string dir_path = Server.MapPath("~/" + TypePath);
            string[] arr_list = GetArray(TypeExt);

            if (rdlFileUpload.SelectedValue == "0")
            {
                HttpPostedFile posted_file = File1.PostedFile;
                if (posted_file.ContentLength > 0)
                {
                    file_ext = System.IO.Path.GetExtension(myfile.FileName).ToLower().Trim();
                    if (Directory.Exists(dir_path))
                    {
                        for (int i = 0; i < arr_list.Length; i++)
                        {
                            if (file_ext == arr_list[i].ToString())
                            {
                                FileHandleClass file_obj = new FileHandleClass();
                                filename = file_obj.uploadInputFile(posted_file, dir_path);
                            }
                        }
                    }
                }
            }
            else
            {
                file_ext = System.IO.Path.GetExtension(txtFileUrl.Text).ToLower().Trim();

                filename = System.IO.Path.GetFileName(txtFileUrl.Text);
                for (int i = 0; i < arr_list.Length; i++)
                {
                    if (file_ext == arr_list[i].ToString())
                    {
                        fileurl = txtFileUrl.Text;
                    }
                }
            }
            /************************************************************************************************************************/

            MediaFiles media_obj = new MediaFiles();
            int relust = media_obj.Update(_idx, userid, typeid, topicid, playlistid, albumid, artistid, composerid, filename, fileurl, title, description,
                           autostart, medialoop, dimension, source, photo, thumbnail, status);
            return relust;
        }