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07.02.2006, 13:23
#33528504
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Доброго времени суток!
Вопрос в теме. Код:
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<%@ Page language="c#" Codebehind="Test.aspx.cs" AutoEventWireup="false" Inherits="Documents.Test" EnableViewState="true" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>Test</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body>
<form id="Form1" method="post" runat="server">
<asp:DropDownList id="listLookIn" runat="server" EnableViewState="True"></asp:DropDownList>
<asp:Button id=Button1 runat="server" Text="Button"></asp:Button>
<asp:Literal id=listValue runat="server"></asp:Literal>
</form>
</body>
</HTML>
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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
namespace Documents
{
/// <summary>
/// Summary description for Test.
/// </summary>
public class Test : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Literal listValue;
protected System.Web.UI.WebControls.DropDownList listLookIn;
private void Page_Load(object sender, System.EventArgs e)
{
// Put user code to initialize the page here
if(!IsPostBack)
{
listLookIn.DataSource = CreateDataSource();
listLookIn.DataTextField = "Name";
listLookIn.DataValueField = "Path";
listLookIn.DataBind();
listLookIn.SelectedIndex = 0 ;
}
}
protected ICollection CreateDataSource()
{
// Create a table to store data for the DropDownList control.
DataTable dt = new DataTable();
// Define the columns of the table.
dt.Columns.Add(new DataColumn("Name", typeof(String)));
dt.Columns.Add(new DataColumn("Path", typeof(String)));
dt.Rows.Add(CreateRow("Entire Library", String.Empty, dt));
FileSystemObjectCollection coll = listLookInFolder() as FileSystemObjectCollection;
if (coll != null )
{
foreach( FileSystemObject directory in coll )
{
dt.Rows.Add(CreateRow(directory.Name, directory.Path, dt));
}
}
// Create a DataView from the DataTable to act as the data source
// for the DropDownList control.
DataView dv = new DataView(dt);
return dv;
}
private DataRow CreateRow(String Text, String Value, DataTable dt)
{
DataRow dr = dt.NewRow();
dr[ 0 ] = Text;
dr[ 1 ] = Value;
return dr;
}
private ICollection listLookInFolder()
{
string rootFolder = Application["LibraryPath"] as string;
FileSystemManager manager = new FileSystemManager(rootFolder);
return manager.GetDirectories(string.Empty);
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void Button1_Click(object sender, System.EventArgs e)
{
this.listValue.Text = this.listLookIn.SelectedItem.Value;
}
private void listLookIn_SelectedIndexChanged(object sender, System.EventArgs e)
{
this.listValue.Text = this.listLookIn.SelectedItem.Value;
}
}
}
Заранее спасибо! |
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