ASPX Page Control Enable / Disable

In some cases you need to disable controls on a page, this will help you disable various types of controls.

protected void ControlsEnabler (Control parent, bool State)
		{
		foreach (Control c in parent.Controls)
			{
			if (c is TextBox)
				{
				((TextBox)(c)).Enabled = State;
				}
			if (c is CheckBox)
				{
				((CheckBox)(c)).Enabled = State;
				}
			if (c is RadioButton)
				{
				((RadioButton)(c)).Enabled = State;
				}

			if (c is Button)
				{
				((Button)(c)).Enabled = State;
				}
			ControlsEnabler(c, State);
			}
		}

ControlsEnabler(Page, false);