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/**
* Namespace: System.Web.UI.WebControls
* Class: ValidatedControlConverter
*
* Author: Gaurav Vaish
* Maintainer: gvaish@iitk.ac.in
* Contact: <my_scripts2001@yahoo.com>, <gvaish@iitk.ac.in>
* Implementation: yes
* Status: 100%
*
* (C) Gaurav Vaish (2002)
*/
using System;
using System.ComponentModel;
using System.Collections;
using System.Web;
using System.Web.UI;
namespace System.Web.UI.WebControls
{
public class ValidatedControlConverter : StringConverter
{
public ValidatedControlConverter(): base()
{
}
private object[] GetValues(IContainer container)
{
ArrayList values = new ArrayList();
IEnumerator ie = container.Components.GetEnumerator();
try
{
foreach(IComponent current in container.Components)
{
Control ctrl = (Control)current;
if(ctrl == null || ctrl.ID == null || ctrl.ID.Length == 0)
continue;
ValidationPropertyAttribute attrib = (ValidationPropertyAttribute)((TypeDescriptor.GetAttributes(ctrl))[typeof(ValidationPropertyAttribute)]);
if(attrib == null || attrib.Name == null)
continue;
values.Add(String.Copy(ctrl.ID));
}
}finally
{
if(ie is IDisposable)
((IDisposable)ie).Dispose();
}
values.Sort();
return values.ToArray();
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
if(context != null && context.Container != null)
{
object[] values = GetValues(context.Container);
if(values != null)
{
return new StandardValuesCollection(values);
}
}
return null;
}
public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
{
return false;
}
public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
{
return true;
}
}
}
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