///
/// <summary>
/// Notifies server controls that use composition-based implementation to create any child controls
/// they contain in preparation for posting back or rendering.
/// </summary>
/// <remarks>
/// If you override this method in a derived class, make sure you call this method as part of your
/// base class's CreateChildControls.
/// </remarks>
///
protected override void CreateChildControls()
{
base.CreateChildControls();
if (HttpContext.Current != null)
{
HttpBrowserCapabilities browserType = HttpContext.Current.Request.Browser;
_realField = ComboBoxFieldFactory.GetField(browserType);
_realField.SetParentComboBox(this);
}
else
{
_realField = new IE5ComboBoxField();
}
_realField.TextChanged += FireTextChangedEvent;
_realField.ID = TextboxFieldId;
Controls.Add(_realField);
ChildControlsCreated = true;
return;
}
///
/// <summary>
/// Enables a server control to perform final clean up before it is released from
/// memory.
/// </summary>
/// <remarks>
/// The Dispose method leaves the Control in an unusable state. After calling this
/// method, you must release all references to the control so the memory it was
/// occupying can be reclaimed by garbage collection.
/// </remarks>
/// <param name="disposing"><b>true</b> to release both managed and unmanaged resources; <b>false</b> to release only unmanaged resources.</param>
///
protected virtual void Dispose(bool disposing)
{
if (disposing)
{
if (_license != null)
{
_license.Dispose();
_license = null;
}
if (_realField != null)
{
_realField.Dispose();
_realField = null;
}
}
return;
}
public static DefaultComboBoxField GetField(HttpBrowserCapabilities browserCapabilities)
{
DefaultComboBoxField field;
BrowserType browserType = _parser.Parse(browserCapabilities);
switch (browserType)
{
case BrowserType.IE5Up:
field = new IE5ComboBoxField();
break;
case BrowserType.IE6Up:
field = new IE6ComboBoxField();
break;
case BrowserType.IE7Up:
field = new IE7ComboBoxField();
break;
case BrowserType.Mozilla:
field = new MozComboBoxField();
break;
case BrowserType.FireFox2:
field = new Firefox2ComboBoxField();
break;
case BrowserType.WebKit:
field = new WebKitComboBoxField();
break;
default:
field = new DefaultComboBoxField();
break;
}
return(field);
}
