/// <summary>
        /// 发布数据取得
        /// </summary>
        private void getPublishData()
        {
            string wheresql = "MediaType='WORDPRESS' AND 发行状态='未发行'";

            if (mediaId != null)
            {
                wheresql += " and 媒体编号=" + mediaId;
            }
            if (db.GetMediaPublishVW(0, 0, "*", wheresql, "", ref ds_media) &&
                ds_media.Tables[0].Rows.Count > 0)
            {
                CurrentIndex  = 1;
                lblNum.Text   = Convert.ToString(CurrentIndex) + "/" + Convert.ToString(ds_media.Tables[0].Rows.Count);
                txtTitle.Text = ds_media.Tables[0].Rows[CurrentIndex - 1]["名称"].ToString()
                                + ds_media.Tables[0].Rows[CurrentIndex - 1]["发行期号"].ToString()
                                + "[" + ds_media.Tables[0].Rows[CurrentIndex - 1]["发行日期"].ToString() + "]";
                txtMessage.Text     = ds_media.Tables[0].Rows[CurrentIndex - 1]["文本内容"].ToString();
                txtPicturePath.Text = ds_media.Tables[0].Rows[CurrentIndex - 1]["本地图片"].ToString();
                if (File.Exists(txtPicturePath.Text))
                {
                    pbCover.Image = new Bitmap(txtPicturePath.Text);
                }
                else
                {
                    if (pbCover.Image != null)
                    {
                        pbCover.Image.Dispose();
                    }
                }
                btnPrev.Enabled = false;
                if (CurrentIndex < ds_media.Tables[0].Rows.Count)
                {
                    btnNext.Enabled = true;
                }
                else
                {
                    btnNext.Enabled = false;
                }
                btnPost.Enabled = true;
                string Url      = ds_media.Tables[0].Rows[CurrentIndex - 1]["MediaURL"].ToString();
                string userName = ds_media.Tables[0].Rows[CurrentIndex - 1]["MediaUser"].ToString();
                string password = ds_media.Tables[0].Rows[CurrentIndex - 1]["MediaPassword"].ToString();
                initCategroy(Url, userName, password);
            }
            else
            {
                btnNext.Enabled = false;
                btnPrev.Enabled = false;
                btnPost.Enabled = false;
            }
        }
 /// <summary>
 /// 发布数据取得
 /// </summary>
 private void getPublishData()
 {
     if (db.GetMediaPublishVW(0, 0, "*", "MediaType='TWITTER' AND 发行状态='未发行'", "", ref ds_media) &&
         ds_media.Tables[0].Rows.Count > 0)
     {
         CurrentIndex  = 1;
         lblNum.Text   = Convert.ToString(CurrentIndex) + "/" + Convert.ToString(ds_media.Tables[0].Rows.Count);
         txtTitle.Text = ds_media.Tables[0].Rows[CurrentIndex - 1]["名称"].ToString()
                         + ds_media.Tables[0].Rows[CurrentIndex - 1]["发行期号"].ToString()
                         + "[" + ds_media.Tables[0].Rows[CurrentIndex - 1]["发行日期"].ToString() + "]";
         txtMessage.Text     = ds_media.Tables[0].Rows[CurrentIndex - 1]["文本内容"].ToString();
         txtPicturePath.Text = ds_media.Tables[0].Rows[CurrentIndex - 1]["本地图片"].ToString();
         if (File.Exists(txtPicturePath.Text))
         {
             pbCover.Image = new Bitmap(txtPicturePath.Text);
         }
         else
         {
             if (pbCover.Image != null)
             {
                 pbCover.Image.Dispose();
             }
         }
         btnPrev.Enabled = false;
         if (CurrentIndex < ds_media.Tables[0].Rows.Count)
         {
             btnNext.Enabled = true;
         }
         else
         {
             btnNext.Enabled = false;
         }
         btnPost.Enabled = true;
     }
     else
     {
         btnNext.Enabled = false;
         btnPrev.Enabled = false;
         btnPost.Enabled = false;
     }
 }