protected void EditDeleteButton_Click(object sender, EventArgs e)
{
if (!Page.IsValid)
{
return;
}
//prevent malicious deletes.
if (_page.InstanceId == Webpage.RootNavigationId)
{
throw new InvalidOperationException("The portal root may not be deleted.");
}
if (_page.ParentInstanceId == Webpage.RootNavigationId)
{
throw new InvalidOperationException("Root pages (website roots) may not be deleted.");
}
if (!_page.IsAlias)
{
if (_page.Children.Count > 0)
{
throw new InvalidOperationException("Pages with children may not be deleted.");
}
System.Collections.Generic.List <WebModuleInfo> modules = WebModule.GetModules(_instanceId);
if (modules.Count > 0)
{
throw new InvalidOperationException("Pages with modules may not be deleted.");
}
}
_urlReferrer += _page.ParentInstanceId.Value;
Webpage.DeleteWebpage(_instanceId);
Response.Redirect(_urlReferrer);
}
//also deletes webpage if it is empty.
public static void DestroyMasterDetailItem(int moduleId)
{
//get the module object.
WebModuleInfo module = WebModule.GetModule(moduleId);
//get the container page of the module.
WebpageInfo page = module.Webpage;
//this cascades and destroys the MasterDetail associated items/resources.
WebModule.DeleteModule(moduleId);
//destory the item (this cascades down the resources).
//MasterDetail_Item.Destroy(moduleId);
//destory all associated item resources.
//MasterDetail_ItemResource.Destroy(MasterDetail_ItemResource.Columns.ModuleId, moduleId);
//if the page has no modules left on it, remove it also.
if (null == page.Modules || page.Modules.Count == 0)
{
Webpage.DeleteWebpage(page.InstanceId);
}
}