WinForm:对TextBox数据绑定的浏览

        private DataTable dtStore;
        private System.Windows.Forms.TextBox txtID;
        private System.Windows.Forms.TextBox txtName;
        private System.Windows.Forms.BindingManagerBase BindingDataManager;
        private void frmDemo_Load(object sender, System.EventArgs e)
        {
            initForm();
        }
        private void btnFirst_Click(object sender, System.EventArgs e)
        {
            BindingDataManager.Position = 0;
        }

        private void btnPre_Click(object sender, System.EventArgs e)
        {
            BindingDataManager.Position -= 1;
        }

        private void btnNext_Click(object sender, System.EventArgs e)
        {
            BindingDataManager.Position += 1;
        }

        private void btnLast_Click(object sender, System.EventArgs e)
        {
            BindingDataManager.Position = BindingDataManager.Count -1;
        }
        private void initForm()
        {
            string strConn = @"Server=(local)\NETSDK;User id=sa;Pwd=sa;Database=Northwind";
            StringBuilder sbSQL = new StringBuilder();
            sbSQL.Append("select EmployeeID, FirstName + ' ' + LastName as EmployeeName ");
            sbSQL.Append("from Employees");

            SqlDataAdapter da = new SqlDataAdapter( sbSQL.ToString(), conn );

            dtStore = new DataTable();
        
            da.Fill( dtStore );    
            
            txtID.DataBindings.Clear();
            txtName.DataBindings.Clear();

            txtID.DataBindings.Add( "Text", dtStore, dtStore.Columns[0].ColumnName );
            txtName.DataBindings.Add( "Text", dtStore, dtStore.Columns[1].ColumnName );

            BindingDataManager = this.BindingContext[ dtStore ];
        }

BindingManagerBase是对Windows 窗体上绑定到相同数据源的数据绑定控件进行同步的