public frmTrackDriver()
        {
            InitializeComponent();
            ComboFunctions.FillPDADLoginriverNoCombo(ddl_Driver);
            ddl_Driver.KeyUp   += new KeyEventHandler(ddl_Driver_KeyUp);
            ddl_Driver.KeyDown += new KeyEventHandler(ddl_Driver_KeyDown);
            this.ddl_Driver.SelectedValueChanged += new System.EventHandler(this.ddl_Driver_SelectedValueChanged);
            tmr          = new System.Windows.Forms.Timer();
            tmr.Interval = 1000;
            tmr.Tick    += new EventHandler(tmr_Tick);
            this.ddl_Driver.AutoCompleteMode = System.Windows.Forms.AutoCompleteMode.SuggestAppend;

            this.ddl_Driver.TextChanged += new EventHandler(ddl_Driver_TextChanged);
            //  this.ddl_Driver.TextChanged += new EventHandler(ddl_Driver_TextChanged);
        }