Ok. So the situation is: Parent Class which has an IDictionary of Child Classes. I wish these child classes to be deleted when the parent class is. This works fine. I also wish to be able to delete members of the child class individually, and this does NOT work. So my Question is; Why can I not delete these child members? The error ...
From within an html page, I create a child window to perform some filtering (choosing the printer, and what parts to print on the report). In order to show the part selection on the child window, I need to call a GetParts function from the parent window and return the recordset to the child. Here's some code to help: From the child wind...
I'm writing my first NHibernate application, but I guess this question applies to any ORM framework. My application is a simple bug tracker (devs all understand the problem domain, right?), and I'm wondering how best to model the Project/Ticket relationship in the DAL. A Project has multiple Tickets; a Ticket must be owned by a Project. ...
Please explain the difference between: ChildForm := TForm.CreateParented(AOwner) ChildForm := TForm.CreateParentedControl(AOwner) ChildForm := TForm.Create(AOwner); ChildForm.ParentWindow := AOwner.Handle This example may be complicated and convoluted, I'd really just like an overview of when people use the different kinds of Creat...
I have a pair of SQL server tables. P contains id and name. PR contains id, interestrate, tiernumber, fromdate, todate and P.id. PR may contain many rows listed per p.id / tier. (tiers are a list of rates a product may have in any given date period.) eg: Product 1 tier 1 starts 1/1/2008 to 1/1/2009 and has 6 rates shown 1 row per rate...
Hi guys, I need to implement a multi-parented tree (or digraph) onto SQL Server 2005. I've read several articles, but most of them uses single-parented trees with a unique root like the following one. -My PC -Drive C -Documents and Settings -Program Files -Adobe -Microsoft -Folder X -Drive D ...
I've been stuck trying to figure out why a counter cache on my (parent) BlogPosts table won't update from the (child) Comments table. At first I thought the answer provided in my earlier question might be the solution but something happened after I went to bed last night because when I woke up this morning and restarted my Rails console,...
Im looking to have a common parent function like so void main (param 1, param 2) { <stuff to do> param1(); print("The function %s was called", param 2); <more stuff to do> } Where param 1 will be the name of the function to be called and param 2 will be some descriptive text. param 2 is easy and I have that solved, bu...
Hy guys! I am currently working on a little WPF project using MVVM via the Onyx framework. My currentview architecture is like this: <DockPanel> <Menu DockPanel.Dock="Top" Background="#cecece"> <!-- Menu --> </Menu> <Grid> <views:TranslationView x:Name="translationView" /> </Grid> </DockPanel> ...
Hey there, Is is possible to display a node without children as a leaf node within the .NET 3.5 TreeView control? I have a treeview that displays a list of companies as nodes which would each display leaf nodes for documents belonging to that company. If a company exists without any documents I would still like it to be rendered as pa...
Hi, I'm developing a sample application so that I can learn the ins and outs of NHibernate. I am struggling with a delete issue. I wish to be able to delete a child record by removing it from its parent’s collection and then saving the parent. I have setup a bidirectional one-to-many relationship and inserting/updating is working great....
Hello, I'll share my cue with everyone! My Form Base Class is frmExportBase.cs, so any Windows Form that I will create or use have to inherit from it, so this will be fine : namespace SResocentroAnalytics.Forms { public partial class frmExportCobranzaDiaria : frmExportBase { public frmExportCobranzaDiaria() { ...
Hello! In flex 3 I have a hierarchical data structure. I would like to display the content of it in a tree. My problem is that I have nodes which data calculated from children nodes. How to structure the hierarchy to make automatic changes to those parent nodes, if their children's data changed? For example: Every node has a warning f...
Hello guys, sorry if you'll find this question stupid, but I really need help. Here's some info about it. Database structure id | parent_id | level | name 1 | 0 | 1 | Home page 2 | 1 | 2 | Child of homepage 3 | 1 | 2 | Another child of homepage 4 | 2 | 3 | Sub child of page id 2...
I'm looking for the simplest way to recursively get all the parent elements from a database using the adjacency list / single table inheritance model (id, parent_id). My select currently looks like this: $sql = "SELECT e.id, TIME_FORMAT(e.start_time, '%H:%i') AS start_time, $title AS title, ...
I'm finding it difficult to find a decent example on how to implement a parent-child hierarchy class. I have a treeView control that I want to convert into a class hierarchy, adding extra data to each node and be able to easely iterate over each parent's nodes using IEnumerable. public IEnumerable<Node> GetAllChildsFromParent(Node paren...
I need to know is there a way to dispaly parent-child relation in a single datagrid in Windows Forms .Net C# ...
Question: How can I determine all processes in the child's Process Tree to kill them? I have an application, written in C# that will: Get a set of data from the server, Spawn a 3rd party utility to process the data, then Return the results to the server. This is working fine. But since a run consumes a lot of CPU and may take as lo...
Hi, I have the following (broken) code: $(".old_post").hover(function(){ $(this > ".post_right_nav").show(); post _ right _ nav is a div(containing other divs) that holds some controls for the user to press. I'd like to only show these controls when the user is hovering over a post. How can I properly select the child element of ev...
I am using C# 2005 to create a Windows application. I have a MDIForm (frmMainMenu) which contains a Menustrip and a TabControl. My ChildForm is frmPurchaseEntry. When the user clicks on a particular Menu option a new TabPage is created and the child form is displayed within the TabPage. I am using the following code in the MenuClick...