#endregion

        #region 方法

        #region 绘制DataGridView以及下拉DataGridView

        private void DrawDataGridView()

        {

            DataGridView dataGridView = new DataGridView();

            dataGridView.ScrollBars = ScrollBars.Both;

            dataGridView.AutoSize = true;

            dataGridView.AllowUserToAddRows = false;

            dataGridView.AllowUserToDeleteRows = false;

            dataGridView.AllowUserToResizeRows = false;

            dataGridView.Dock = DockStyle.Fill;

            dataGridView.DataSource = null;

            

            dataGridView.BackgroundColor = SystemColors.Control;

            dataGridView.BorderStyle = BorderStyle.None;

            dataGridView.ReadOnly = true;

            dataGridView.AllowUserToAddRows = false;

            dataGridView.RowHeadersVisible = false;

            dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;

            dataGridView.DoubleClick += new EventHandler(dataGridView_DoubleClick);

            dataGridView.KeyDown += new KeyEventHandler(dataGridView_KeyDown);



           //设置DataGridView的数据源

            Form frmDataSource = new Form();

            frmDataSource.Controls.Add(dataGridView);

              

            dataGridViewHost = new ToolStripControlHost(dataGridView);

            dataGridViewHost.AutoSize = m_blPopupAutoSize;     

            TextBox textBox = new TextBox();

            textBox.Width = 200;

            textBox.TextChanged += new EventHandler(te