в 15:31, 26 мая 2010

2010-05-26T15:31:18Z

Admin: 1 версия

2010-05-26T11:34:21Z

1 версия

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==Load XML file to DataTable then add DataTable to ListView==

<source lang="csharp">
/*
<?xml version="1.0" standalone="yes"?>
<NewDataSet>
<Employee>
<ID>8</ID>
<Name>Joe</Name>
</Employee>
</NewDataSet>
*/
using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
public class Form1 : Form
{
private System.Windows.Forms.Button cmdFillList;
private System.Windows.Forms.ListView listView;
private System.Windows.Forms.CheckBox chkGroups;
public Form1() {
InitializeComponent();
listView.View = View.Tile;
listView.TileSize = new Size(300, 50);
FillList();
}
public static DataTable GetProducts()
{
DataSet dsStore = new DataSet();
dsStore.ReadXml("myXmlFile.xml");
return dsStore.Tables["Employee"];
}
public static DataTable GetCategories()
{
DataSet dsStore = new DataSet();
dsStore.ReadXml("myXmlFile.xml");
return dsStore.Tables["Employee"];
}
private void cmdFillList_Click(object sender, EventArgs e)
{
FillList();
}
private void FillList()
{
listView.Items.Clear();
if (listView.Groups.Count == 0)
{
DataTable dtGroups = GetCategories();
foreach (DataRow dr in dtGroups.Rows)
{
listView.Groups.Add(dr["ID"].ToString(), dr["Name"].ToString());
}
}
listView.ShowGroups = chkGroups.Checked;
DataTable dtProducts = GetProducts();
listView.BeginUpdate();
foreach (DataRow dr in dtProducts.Rows)
{
ListViewItem listItem = new ListViewItem(dr["Name"].ToString());
listItem.ImageIndex = 0;
listItem.Group = listView.Groups[dr["ID"].ToString()];
listItem.SubItems.Add(dr["ID"].ToString());
listView.Items.Add(listItem);
}
if (listView.Columns.Count == 0)
{
listView.Columns.Add("Product", 100, HorizontalAlignment.Left);
listView.Columns.Add("ID", 100, HorizontalAlignment.Left);
listView.Columns.Add("Description", 100, HorizontalAlignment.Left);
}
listView.EndUpdate();
}
private void NewView(object sender, System.EventArgs e)
{
listView.View = (View)(((Control)sender).Tag);
}
private void listView_ColumnClick(object sender, ColumnClickEventArgs e)
{
ListViewItemComparer sorter = listView.ListViewItemSorter as ListViewItemComparer;
if (sorter == null)
{
sorter = new ListViewItemComparer(e.Column);
listView.ListViewItemSorter = sorter;
} else {
if (sorter.Column == e.Column && !sorter.Descending)
{
sorter.Descending = true;
listView.Sorting = SortOrder.Descending;
}
else
{
listView.Sorting = SortOrder.Ascending;
sorter.Descending = false;
sorter.Column = e.Column;
}
}
listView.Sort();
}
private void cmdResizeColumns_Click(object sender, EventArgs e)
{
listView.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
}

private void listView_SelectedIndexChanged(object sender, EventArgs e)
{
if (listView.SelectedItems.Count > 0)
Console.WriteLine(listView.SelectedItems[0].SubItems[2].Text);
}
private void chkGroups_CheckedChanged(object sender, EventArgs e)
{
FillList();
}
private void InitializeComponent()
{
this.cmdFillList = new System.Windows.Forms.Button();
this.listView = new System.Windows.Forms.ListView();
this.chkGroups = new System.Windows.Forms.CheckBox();
this.SuspendLayout();
//
// cmdFillList
//
this.cmdFillList.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
this.cmdFillList.FlatStyle = System.Windows.Forms.FlatStyle.System;
this.cmdFillList.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.cmdFillList.Location = new System.Drawing.Point(269, 195);
this.cmdFillList.Name = "cmdFillList";
this.cmdFillList.Size = new System.Drawing.Size(114, 24);
this.cmdFillList.TabIndex = 7;
this.cmdFillList.Text = "Fill List";
this.cmdFillList.Click += new System.EventHandler(this.cmdFillList_Click);
//
// listView
//
this.listView.AllowColumnReorder = true;
this.listView.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.listView.FullRowSelect = true;
this.listView.GridLines = true;
this.listView.Location = new System.Drawing.Point(7, 8);
this.listView.MultiSelect = false;
this.listView.Name = "listView";
this.listView.Size = new System.Drawing.Size(254, 282);
this.listView.Sorting = System.Windows.Forms.SortOrder.Ascending;
this.listView.TabIndex = 6;
this.listView.SelectedIndexChanged += new System.EventHandler(this.listView_SelectedIndexChanged);
this.listView.ColumnClick += new System.Windows.Forms.ColumnClickEventHandler(this.listView_ColumnClick);
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.ClientSize = new System.Drawing.Size(390, 381);
this.Controls.Add(this.listView);
this.Controls.Add(this.cmdFillList);
this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Name = "Form1";
this.Text = "ListView Example";
this.ResumeLayout(false);
this.PerformLayout();
}
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
public class ListViewItemComparer : System.Collections.IComparer
{
private int column;
public int Column
{
get { return column; }
set { column = value; }
}
private bool numeric = false;
public bool Numeric
{
get { return numeric; }
set { numeric = value; }
}
private bool descending = false;
public bool Descending
{
get { return descending; }
set { descending = value; }
}
public ListViewItemComparer(int columnIndex)
{
Column = columnIndex;
}
public int Compare(object x, object y)
{
ListViewItem listX, listY;
if (descending)
{
listY = (ListViewItem)x;
listX = (ListViewItem)y;
}
else
{
listX = (ListViewItem)x;
listY = (ListViewItem)y;
}
if (Numeric)
{
decimal valX, valY;
Decimal.TryParse(listX.SubItems[Column].Text, out valX);
Decimal.TryParse(listY.SubItems[Column].Text, out valY);
return Decimal.rupare(valX, valY);
}
else
{
return String.rupare(
listX.SubItems[Column].Text, listY.SubItems[Column].Text);
}
}
}

</source>

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Csharp/C Sharp/XML/XML ListView - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия