#region 工具栏单击事件

        #region 表列表
        /// <summary>
        /// 表列表
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ToolStripButtonDb_Click(object sender, EventArgs e) {
            TToolStripButton.Enabled = !TToolStripButton.Enabled;

            DbTable db = new DbTable();
            db.Dock = DockStyle.Fill;
            this.TPanel.Controls.Clear();
            this.TPanel.Controls.Add(db);
            this.TopLevel = true;

            TToolStripButton.Enabled = !TToolStripButton.Enabled;
        }
        #endregion

        #region 登录页面
        /// <summary>
        /// 登录页面
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void TToolStripButton_Click(object sender, EventArgs e) {
            TToolStripButton.Enabled = !TToolStripButton.Enabled;

            Db db = new Db();
            db.Finish += new Db.EventHandler(db_Finish);
            db.Dock = DockStyle.Fill;
            this.TPanel.Controls.Clear();
            this.TPanel.Controls.Add(db);
            this.TopLevel = true;

            TToolStripButton.Enabled = !TToolStripButton.Enabled;
        }
        #endregion

        #region 连接上数据库后
        /// <summary>
        /// 登录完成后
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void db_Finish(object sender, DbEventArgs e) {
            //显示当前数据库连接
            lbInfo.Text = string.Format("当前连接,{0}", e.UserInfo.ServerName);

            SqlManagement s = new SqlManagement();
            s.Dock = DockStyle.Fill;
            this.TPanel.Controls.Clear();
            this.TPanel.Controls.Add(s);
            this.TopLevel = true;
        }
        #endregion

        #region 生成代码
        /// <summary>
        /// 生成代码
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void ToolStripButtonCreate_Click(object sender, EventArgs e) {
            ToolStripButtonCreate.Enabled = !ToolStripButtonCreate.Enabled;

            DbCreate dbCreate = new DbCreate();
            dbCreate.Dock = DockStyle.Fill;
            this.TPanel.Controls.Clear();
            this.TPanel.Controls.Add(