WinFrom控件双向绑定

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

public partial class frmMain : Form
{
    CurrencyManager cm;
    public frmMain()
    {
        InitializeComponent();
        #region List绑定
        //建立一个集合，让它维持多个Person对象。
        //List<Person> list = new List<Person>();
        //list.Add(new Person("Caipeng", 32));
        //list.Add(new Person("WangLiLi", 30));
        //list.Add(new Person("Colin.Cai", 0));
        //this.txtName.DataBindings.Add("Text", list, "Name");
        //this.txtAge.DataBindings.Add("Text", list, "Age");
        ////增加以下的语句,获得管理集合的管理对象.
        ////下面的两个button演示cm如果管理集合的简单方法.
        //cm = (CurrencyManager)this.BindingContext[list];
        //this.txtName.DataBindings.Add("Text", dt, "Name");
        //this.txtAge.DataBindings.Add("Text", dt, "Age"); 
        #endregion
        #region DataTable绑定
        #region 构造数据
        DataTable dt = new DataTable();
        dt.Columns.Add("Name", typeof(string));
        dt.Columns.Add("Age", typeof(int));
        dt.Columns.Add("IsCCP", typeof(int));
        for (int i = 0; i < 20; i++)
        {
            var dr = dt.NewRow();
            dr["Name"] = "Name" + i;
            dr["Age"] = i + 20;
            dr["IsCCP"] = i % 3 == 0;
            dt.Rows.Add(dr);
        }
        #endregion
        for (int i = 0; i < dt.Columns.Count; i++)   //应根据编码规范，写成通用方案
        {
            string columnName = dt.Columns[i].ColumnName;
            foreach (Control item in this.Controls)
            {
                if (item.Name.Contains(columnName))//应根据编码规范，更严格的判断
                {
                    switch (item.GetType().FullName)
                    {
                        case "System.Windows.Forms.Lable":
                        case "System.Windows.Forms.TextBox":
                        case "System.Windows.Forms.Button":
                            item.DataBindings.Add("Text", dt, columnName);
                            break;
                        case "System.Windows.Forms.CheckBox":
                            item.DataBindings.Add("Checked", dt, columnName);
                            break;
                        default:
                            break;
                    }
                }
            }
        }
        #endregion
        cm = (CurrencyManager)this.BindingContext[dt];//获得管理集合的管理对象.
    }
    /// <summary>
    /// 将当前的位置++
    /// </summary>
    /// <param name="sender">sender</param>
    /// <param name="e">e</param>
    private void btnNext_Click(object sender, EventArgs e)
    {
        cm.Position++;
    }
    /// <summary>
    /// 将当前的位置--
    /// </summary>
    /// <param name="sender">sender</param>
    /// <param name="e">e</param>
    private void btnPrevious_Click(object sender, EventArgs e)
    {
        cm.Position--;
    }
    /// <summary>
    /// 取得当前编辑对象
    /// </summary>
    /// <param name="sender">sender</param>
    /// <param name="e">e</param>
    private void btnCurrent_Click(object sender, EventArgs e)
    {
        //var current = (Person)cm.List[cm.Position];//List对象绑定时
        var current = (DataRowView)cm.List[cm.Position];
    }

    #region Designer

    /// <summary>
    /// 必需的设计器变量。
    /// </summary>
    private System.ComponentModel.IContainer components = null;

    /// <summary>
    /// 清理所有正在使用的资源。
    /// </summary>
    /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region Windows 窗体设计器生成的代码

    /// <summary>
    /// 设计器支持所需的方法 - 不要
    /// 使用代码编辑器修改此方法的内容。
    /// </summary>
    private void InitializeComponent()
    {
        this.lblName = new System.Windows.Forms.Label();
        this.txtName = new System.Windows.Forms.TextBox();
        this.lblAge = new System.Windows.Forms.Label();
        this.txtAge = new System.Windows.Forms.TextBox();
        this.btnPrevious = new System.Windows.Forms.Button();
        this.btnNext = new System.Windows.Forms.Button();
        this.btnCurrent = new System.Windows.Forms.Button();
        this.chkIsCCP = new System.Windows.Forms.CheckBox();
        this.SuspendLayout();
        // 
        // lblName
        // 
        this.lblName.AutoSize = true;
        this.lblName.Location = new System.Drawing.Point(21, 36);
        this.lblName.Name = "lblName";
        this.lblName.Size = new System.Drawing.Size(41, 12);
        this.lblName.TabIndex = 1;
        this.lblName.Text = "姓名：";
        // 
        // txtName
        // 
        this.txtName.Location = new System.Drawing.Point(58, 31);
        this.txtName.Name = "txtName";
        this.txtName.Size = new System.Drawing.Size(100, 21);
        this.txtName.TabIndex = 2;
        // 
        // lblAge
        // 
        this.lblAge.AutoSize = true;
        this.lblAge.Location = new System.Drawing.Point(171, 32);
        this.lblAge.Name = "lblAge";
        this.lblAge.Size = new System.Drawing.Size(35, 12);
        this.lblAge.TabIndex = 3;
        this.lblAge.Text = "年龄:";
        // 
        // txtAge
        // 
        this.txtAge.Location = new System.Drawing.Point(212, 29);
        this.txtAge.Name = "txtAge";
        this.txtAge.Size = new System.Drawing.Size(100, 21);
        this.txtAge.TabIndex = 4;
        // 
        // btnPrevious
        // 
        this.btnPrevious.Location = new System.Drawing.Point(34, 73);
        this.btnPrevious.Name = "btnPrevious";
        this.btnPrevious.Size = new System.Drawing.Size(75, 23);
        this.btnPrevious.TabIndex = 5;
        this.btnPrevious.Text = "上一条";
        this.btnPrevious.UseVisualStyleBackColor = true;
        this.btnPrevious.Click += new System.EventHandler(this.btnPrevious_Click);
        // 
        // btnNext
        // 
        this.btnNext.Location = new System.Drawing.Point(139, 72);
        this.btnNext.Name = "btnNext";
        this.btnNext.Size = new System.Drawing.Size(75, 23);
        this.btnNext.TabIndex = 6;
        this.btnNext.Text = "下一条";
        this.btnNext.UseVisualStyleBackColor = true;
        this.btnNext.Click += new System.EventHandler(this.btnNext_Click);
        // 
        // btnCurrent
        // 
        this.btnCurrent.Location = new System.Drawing.Point(257, 72);
        this.btnCurrent.Name = "btnCurrent";
        this.btnCurrent.Size = new System.Drawing.Size(133, 23);
        this.btnCurrent.TabIndex = 7;
        this.btnCurrent.Text = "获取当前编辑对象";
        this.btnCurrent.UseVisualStyleBackColor = true;
        this.btnCurrent.Click += new System.EventHandler(this.btnCurrent_Click);
        // 
        // chkIsCCP
        // 
        this.chkIsCCP.AutoSize = true;
        this.chkIsCCP.Location = new System.Drawing.Point(318, 32);
        this.chkIsCCP.Name = "chkIsCCP";
        this.chkIsCCP.Size = new System.Drawing.Size(72, 16);
        this.chkIsCCP.TabIndex = 8;
        this.chkIsCCP.Text = "是否党员";
        this.chkIsCCP.UseVisualStyleBackColor = true;
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(523, 197);
        this.Controls.Add(this.chkIsCCP);
        this.Controls.Add(this.btnCurrent);
        this.Controls.Add(this.btnNext);
        this.Controls.Add(this.btnPrevious);
        this.Controls.Add(this.txtAge);
        this.Controls.Add(this.lblAge);
        this.Controls.Add(this.txtName);
        this.Controls.Add(this.lblName);
        this.Name = "Form1";
        this.Text = "Form1";
        this.ResumeLayout(false);
        this.PerformLayout();

    }

    #endregion

    private System.Windows.Forms.Label lblName;
    private System.Windows.Forms.TextBox txtName;
    private System.Windows.Forms.Label lblAge;
    private System.Windows.Forms.TextBox txtAge;
    private System.Windows.Forms.Button btnPrevious;
    private System.Windows.Forms.Button btnNext;
    private System.Windows.Forms.Button btnCurrent;
    private System.Windows.Forms.CheckBox chkIsCCP;
    #endregion

}