将对象存入HashTable，然后读取

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

namespace chapter11_DEMO

{

struct Employee

{

public string name;

public int age;

public string address;

public decimal salary;

}

/// <summary>

/// EmployeeManager 的摘要说明。

/// </summary>

public class EmployeeManager : System.Windows.Forms.Form

{

private System.Windows.Forms.ListBox lstID;

private System.Windows.Forms.Label label1;

private System.Windows.Forms.Label label2;

private System.Windows.Forms.Label label3;

private System.Windows.Forms.Label label4;

private System.Windows.Forms.TextBox txtName;

private System.Windows.Forms.TextBox txtAge;

private System.Windows.Forms.TextBox txtAddress;

private System.Windows.Forms.TextBox txtSalary;

private System.Windows.Forms.Button btnInital;

/// <summary>

/// 必需的设计器变量。

/// </summary>

private System.ComponentModel.Container components = null;

public EmployeeManager()

{

// Windows 窗体设计器支持所必需的

InitializeComponent();

// TODO: 在 InitializeComponent 调用后添加任何构造函数代码

}

/// <summary>

/// 清理所有正在使用的资源。

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if(components != null)

{

components.Dispose();

}

base.Dispose( disposing );

}

Windows 窗体设计器生成的代码#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.lstID = new System.Windows.Forms.ListBox();

this.label1 = new System.Windows.Forms.Label();

this.txtName = new System.Windows.Forms.TextBox();

this.label2 = new System.Windows.Forms.Label();

this.txtAge = new System.Windows.Forms.TextBox();

this.txtAddress = new System.Windows.Forms.TextBox();

this.label3 = new System.Windows.Forms.Label();

this.txtSalary = new System.Windows.Forms.TextBox();

this.label4 = new System.Windows.Forms.Label();

this.btnInital = new System.Windows.Forms.Button();

this.SuspendLayout();

// lstID

this.lstID.ItemHeight = 12;

this.lstID.Location = new System.Drawing.Point(8, 8);

this.lstID.Name = "lstID";

this.lstID.Size = new System.Drawing.Size(112, 256);

this.lstID.TabIndex = 0;

this.lstID.SelectedIndexChanged += new System.EventHandler(this.lstID_SelectedIndexChanged);

// label1

this.label1.Font = new System.Drawing.Font("隶书", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));

this.label1.Location = new System.Drawing.Point(136, 8);

this.label1.Name = "label1";

this.label1.Size = new System.Drawing.Size(80, 16);

this.label1.TabIndex = 1;

this.label1.Text = "姓名";

// txtName

this.txtName.Location = new System.Drawing.Point(136, 32);

this.txtName.Name = "txtName";

this.txtName.Size = new System.Drawing.Size(96, 21);

this.txtName.TabIndex = 2;

this.txtName.Text = "";

// label2

this.label2.Font = new System.Drawing.Font("隶书", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));

this.label2.Location = new System.Drawing.Point(136, 64);

this.label2.Name = "label2";

this.label2.Size = new System.Drawing.Size(80, 16);

this.label2.TabIndex = 1;

this.label2.Text = "年龄";

// txtAge

this.txtAge.Location = new System.Drawing.Point(136, 88);

this.txtAge.Name = "txtAge";

this.txtAge.Size = new System.Drawing.Size(96, 21);

this.txtAge.TabIndex = 2;

this.txtAge.Text = "";

// txtAddress

this.txtAddress.Location = new System.Drawing.Point(136, 152);

this.txtAddress.Name = "txtAddress";

this.txtAddress.Size = new System.Drawing.Size(96, 21);

this.txtAddress.TabIndex = 2;

this.txtAddress.Text = "";

// label3

this.label3.Font = new System.Drawing.Font("隶书", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));

this.label3.Location = new System.Drawing.Point(136, 120);

this.label3.Name = "label3";

this.label3.Size = new System.Drawing.Size(80, 16);

this.label3.TabIndex = 1;

this.label3.Text = "住址";

// txtSalary

this.txtSalary.Location = new System.Drawing.Point(136, 208);

this.txtSalary.Name = "txtSalary";

this.txtSalary.Size = new System.Drawing.Size(96, 21);

this.txtSalary.TabIndex = 2;

this.txtSalary.Text = "";

// label4

this.label4.Font = new System.Drawing.Font("隶书", 14.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));

this.label4.Location = new System.Drawing.Point(136, 184);

this.label4.Name = "label4";

this.label4.Size = new System.Drawing.Size(80, 16);

this.label4.TabIndex = 1;

this.label4.Text = "工资";

// btnInital

this.btnInital.Location = new System.Drawing.Point(136, 240);

this.btnInital.Name = "btnInital";

this.btnInital.Size = new System.Drawing.Size(96, 24);

this.btnInital.TabIndex = 3;

this.btnInital.Text = "初始化";

this.btnInital.Click += new System.EventHandler(this.btnInital_Click);

// EmployeeManager

this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);

this.ClientSize = new System.Drawing.Size(256, 277);

this.Controls.Add(this.btnInital);

this.Controls.Add(this.txtName);

this.Controls.Add(this.label1);

this.Controls.Add(this.lstID);

this.Controls.Add(this.label2);

this.Controls.Add(this.txtAge);

this.Controls.Add(this.txtAddress);

this.Controls.Add(this.label3);

this.Controls.Add(this.txtSalary);

this.Controls.Add(this.label4);

this.Name = "EmployeeManager";

this.Text = "EmployeeManager";

this.ResumeLayout(false);

}

#endregion

private Hashtable ht=new Hashtable();//

private void btnInital_Click(object sender, System.EventArgs e)

{

Employee[] em=new Employee[2];

em[0].name="xumh";

em[0].age=30;

em[0].address="yantai";

em[0].salary=10000.98m;

em[1].name="xuzh";

em[1].age=2;

em[1].address="yantai";

em[1].salary=-1000m;

ht.Add("001",em[0]);

ht.Add("002",em[1]);

lstID.Items.Add("001");

lstID.Items.Add("002");

}

private void lstID_SelectedIndexChanged(object sender, System.EventArgs e)

{

string strKey=lstID.SelectedItem.ToString();

Employee em=(Employee)ht[strKey];

txtName.Text = em.name;

txtAddress.Text=em.address;

txtAge.Text = em.age.ToString();

txtSalary.Text =em.salary.ToString();

}

posted on 2007-11-30 15:15 许明会阅读(280) 评论(0) 编辑收藏举报

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将对象存入HashTable，然后读取