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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Xml;
using System.Diagnostics;
using System.IO;
namespace EmployeeRecords
{
/// <summary>
/// Summary description for Form1.
/// </summary>
public class EmployeeRecordsForm : System.Windows.Forms.Form
{
private System.Windows.Forms.TreeView treeView1;
private System.Windows.Forms.ListView listView1;
private System.Windows.Forms.StatusBar statusBar1;
private System.Windows.Forms.StatusBarPanel statusBarPanel1;
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.Container components=null;
private TreeNode tvRootNode;
public EmployeeRecordsForm()
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
//
// TODO: Add any constructor code after InitializeComponent call
//
PopulateTreeView();
initializeListControl();
}
/// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose( bool disposing )
{
if( disposing )
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose( disposing );
}
#region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.treeView1 = new System.Windows.Forms.TreeView();
this.listView1 = new System.Windows.Forms.ListView();
this.statusBar1 = new System.Windows.Forms.StatusBar();
this.statusBarPanel1 = new System.Windows.Forms.StatusBarPanel();
((System.ComponentModel.ISupportInitialize)(this.statusBarPanel1)).BeginInit();
this.SuspendLayout();
//
// treeView1
//
this.treeView1.ImageIndex = -1;
this.treeView1.Name = "treeView1";
this.treeView1.SelectedImageIndex = -1;
this.treeView1.Size = new System.Drawing.Size(240, 352);
this.treeView1.TabIndex = 0;
this.treeView1.AfterSelect += new System.Windows.Forms.TreeViewEventHandler(this.treeView1_AfterSelect);
//
// listView1
//
this.listView1.Activation = System.Windows.Forms.ItemActivation.TwoClick;
this.listView1.Location = new System.Drawing.Point(240, 0);
this.listView1.Name = "listView1";
this.listView1.Size = new System.Drawing.Size(480, 352);
this.listView1.TabIndex = 1;
this.listView1.View = System.Windows.Forms.View.Details;
//
// statusBar1
//
this.statusBar1.Location = new System.Drawing.Point(0, 357);
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, 24);
this.statusBar1.TabIndex = 2;
//
// statusBarPanel1
//
this.statusBarPanel1.Text = "Click the employee code to view details";
this.statusBarPanel1.Width = 720;
//
// EmployeeRecordsForm
//
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.AutoScroll = true;
this.ClientSize = new System.Drawing.Size(720, 381);
this.Controls.AddRange(new System.Windows.Forms.Control[] {
this.statusBar1,
this.listView1,
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>
/// The main entry point for the application.
/// </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:\\BookProj\\EmpRec.xml");
reader.MoveToElement();
try
{
while(reader.Read())//reader.Read()
{
if(reader.HasAttributes && reader.NodeType==XmlNodeType.Element)
{
reader.MoveToElement();
reader.MoveToElement();
reader.MoveToAttribute("Id");
strVal=reader.Value;
reader.Read();
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",225,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:\\BookProj\\EmpRec.xml");
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;
strNodePath=currNode.FullPath.Remove(0,17);
if(strNodePath==strNodename)
{
ListViewItem lvi;
listRead.MoveToNextAttribute();
name=listRead.Value;
lvi=listView1.Items.Add(name);
listRead.Read();
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, System.Windows.Forms.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);
}
}
}
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