protected void UpdateButton_Click(object sender, EventArgs e)
{
WebpageInfo p = Webpage.GetWebpage(_instanceId);
if (null == p)
{
throw new ArgumentException("Invalid navigation id (page not found).");
}
WebModule.UpdatePageModuleSettings(ModuleNameTextBox.Text,
p.Id, _moduleId, PlaceholderDropDownList.SelectedValue);
Response.Redirect(urlReferrer);
}
