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using System;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Collections;
using System.Web.UI.Design;
[assembly: TagPrefix("AtomNet.Web.UI.WebControls", "AtomNet")]
namespace AtomNet.Web.UI.WebControls
{
/// <summary>
/// Represents a control that allows the user to select a single item from a drop-down list,
/// or type in a new value that is not in the list.
/// </summary>
/// <remarks>
/// Since the ComboBox control inherits from <see cref="System.Web.UI.WebControls.ListBox"/>,
/// you can use it in exactly the same manner (including DataBinding).
/// For older browsers that do not support the functionality required to render this control,
/// a normal dropdown box will be emitted instead.
/// </remarks>
[ToolboxData("<{0}:ComboBox runat=\"server\"></{0}:ComboBox>")]
[ValidationPropertyAttribute("SelectedValue")]
[Designer(typeof(AtomNet.Web.UI.WebControls.ComboBoxDesigner))]
public class ComboBox : System.Web.UI.WebControls.ListBox
{
#region ˽ÓÐÊôÐÔ
/// <summary>
/// The <see cref="System.Web.UI.WebControls.TextBox"/> used internally to allow the user
/// to type in new values.
/// </summary>
TextBox textBox = new TextBox();
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Stream outstream = null;
Stream instream = null;
StreamReader sr = null;
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