A simple Employee Records Monitoring System with XML

一个书上简单的ERS.

只有一个窗体,EmployeeRecordsForm.cs:

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Xml;

using System.IO;

namespace Employee_Records_System

{

/// <summary>

/// Form1 的摘要说明。

/// </summary>

public class EmployeeRecordsForm : System.Windows.Forms.Form

{

private System.Windows.Forms.TreeView treeView1;

private System.Windows.Forms.StatusBar statusBar1;

private System.Windows.Forms.ListView listView1;

private System.Windows.Forms.StatusBarPanel statusBarPanel1;

private TreeNode tvRootNode;

/// <summary>

/// 必需的设计器变量。

/// </summary>

private System.ComponentModel.Container components = null;

public EmployeeRecordsForm()

{

// Windows 窗体设计器支持所必需的

InitializeComponent();

PopulateTreeView();

initializeListControl();

// 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 );

}

#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.treeView1 = new System.Windows.Forms.TreeView();

this.statusBar1 = new System.Windows.Forms.StatusBar();

this.statusBarPanel1 = new System.Windows.Forms.StatusBarPanel();

this.listView1 = new System.Windows.Forms.ListView();

((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).BeginInit();

this.SuspendLayout();

// treeView1

this.treeView1.ImageIndex = -1;

this.treeView1.Location = new System.Drawing.Point(0, 0);

this.treeView1.Name = "treeView1";

this.treeView1.SelectedImageIndex = -1;

this.treeView1.Size = new System.Drawing.Size(208, 352);

this.treeView1.TabIndex = 0;

this.treeView1.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.treeView1_AfterSelect);

// statusBar1

this.statusBar1.Location = new System.Drawing.Point(0, 359);

this.statusBar1.Name = "statusBar1";

this.statusBar1.Panels.AddRange(new System.Windows.Forms.StatusBarPanel[] {

this.statusBarPanel1});

this.statusBar1.ShowPanels = true;

this.statusBar1.Size = new System.Drawing.Size(720, 22);

this.statusBar1.TabIndex = 1;

this.statusBar1.Text = "statusBar1";

// statusBarPanel1

this.statusBarPanel1.Text = "Click the employee code to view detials";

this.statusBarPanel1.Width = 400;

// listView1

this.listView1.Activation = System.Windows.Forms.ItemActivation.TwoClick;

this.listView1.Location = new System.Drawing.Point(208, 0);

this.listView1.MultiSelect = false;

this.listView1.Name = "listView1";

this.listView1.Size = new System.Drawing.Size(504, 352);

this.listView1.TabIndex = 2;

this.listView1.View = System.Windows.Forms.View.Details;

// EmployeeRecordsForm

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

this.AutoScroll = true;

this.ClientSize = new System.Drawing.Size(720, 381);

this.Controls.Add(this.listView1);

this.Controls.Add(this.statusBar1);

this.Controls.Add(this.treeView1);

this.MaximizeBox = false;

this.MinimizeBox = false;

this.Name = "EmployeeRecordsForm";

this.Text = "Employee Records Monitoring System";

((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).EndInit();

this.ResumeLayout(false);

}

#endregion

/// <summary>

/// 应用程序的主入口点。

/// </summary>

[STAThread]

static void Main()

{

Application.Run(new EmployeeRecordsForm());

}

protected void PopulateTreeView()

{

statusBarPanel1.Text = "Refreshing Employee Codes. Please wait

this.Cursor = Cursors.WaitCursor;

treeView1.Nodes.Clear();

tvRootNode = new TreeNode("Employee Records");

this.Cursor = Cursors.Default;

treeView1.Nodes.Add(tvRootNode);

TreeNodeCollection nodeCollect = tvRootNode.Nodes;

string strVal = "";

XmlTextReader reader = new XmlTextReader("E:\\MyFiles\\C#\\Employee Records System\\Employee Records System\\EmpRec.xml");

//reader.MoveToElement();

try

{

while (reader.Read())

{

if (reader.HasAttributes && reader.NodeType == XmlNodeType.Element)

{

//reader.MoveToElement();

reader.MoveToAttribute("Id");

strVal = reader.Value;

reader.Read();

if (reader.Name == "Dept")

{

reader.Read();

}

// Create the child nodes

TreeNode EcodeNode = new TreeNode(strVal);

// Add the Node

nodeCollect.Add(EcodeNode);

}

statusBarPanel1.Text = "Click on an employee code to see their record.";

}

catch (XmlException e)

{

MessageBox.Show("XML Exception :" + e.ToString());

}

protected void initializeListControl()

{

listView1.Clear();

listView1.Columns.Add("Employee Name", 255, HorizontalAlignment.Left);

listView1.Columns.Add("Date of Join", 70, HorizontalAlignment.Right);

listView1.Columns.Add("Grade", 105, HorizontalAlignment.Left);

listView1.Columns.Add("Salary", 105, HorizontalAlignment.Left);

}

protected void PopulateListView(TreeNode currNode)

{

initializeListControl();

XmlTextReader listRead = new XmlTextReader("E:\\MyFiles\\C#\\Employee Records System\\Employee Records System\\EmpRec.xml");

//到第一个元素处

listRead.MoveToElement();

while (listRead.Read())

{

string strNodename;

string strNodepath;

string name;

string grade;

string doj;

string sal;

string[] strItemsArr = new string[4];

listRead.MoveToFirstAttribute();

strNodename = listRead.Value;

// currNode.FullPath = "Employee Name\E0001"

strNodepath = currNode.FullPath.Remove(0, 17);

if (strNodepath == strNodename)

{

ListViewItem lvi;

listRead.MoveToNextAttribute();

name = listRead.Value;

lvi = listView1.Items.Add(name);

listRead.Read();

listRead.MoveToFirstAttribute();

doj = listRead.Value;

lvi.SubItems.Add(doj);

listRead.MoveToNextAttribute();

grade = listRead.Value;

lvi.SubItems.Add(grade);

listRead.MoveToNextAttribute();

sal = listRead.Value;

lvi.SubItems.Add(sal);

listRead.MoveToNextAttribute();

listRead.MoveToElement();

listRead.ReadString();

}

private void treeView1_AfterSelect(object sender, TreeViewEventArgs e)

{

TreeNode currNode = e.Node;

if (tvRootNode == currNode)

{

initializeListControl();

statusBarPanel1.Text = "Double click the Employee Records";

return;

}

else

{

statusBarPanel1.Text = "Click an employee code to view individual records";

}

PopulateListView(currNode);

}

EmpRec.xml:

<?xml version="1.0" encoding="utf-8" ?>

</Ecode>

</Ecode>

</EmpRecordsData>

posted on 2005-08-12 17:21 wddavid 阅读(1076) 评论(0) 收藏举报