Category "parent-child"

displaying parent-child elements hierarchically in c#

I have a parent-child structure in my db and I want to list them hierarchically n a C# program: id text parentid 1 A NULL 2 B NULL 5 a1 1 6

Create a new instance of a Laravel model with children models

At the moment, whenever I need to create a new instance of a Laravel model that has child models, I need to create the model in the controller, then loop over a

Blazor Server App MVVM-Pattern: Get notifyed in parent from child component change of App-State via a serviceclass in Startup.cs

I work on a Blazor-Server-App and try to follow MVVM pattern. My problem is, that I don't understand why a parentpage is not 'auto refreshed' after a property i

Django: How to enforce UniqueConstraint with parent and child models

Say I have the following models: class ParentModel(models.Model): parent_field_1 = models.CharField(max_length=10) parent_field_2 = models.CharField(max

Hello, I am using antd treeselect in my react js project . and when i am clicking on parent node child options are not appearing

const treeData = [ { title: '0-1', value: '0-1', key: '0-1', }, { title: '0-2', value: '0-2', key: '0-2', chil

The specified child already has a parent. You must call removeView() on the child's parent first (Android)

I have to switch between two layouts frequently. The error is happening in the layout posted below. When my layout is called the first time, there doesn't occu

Finding child element while having parent element

There is an element having various children. How can I count the number of its children using parents' xpath? So far, I have been using this: List<Webeleme

EF4 generated CRUD views having problems with the Create due to parent-child table relationship

I am relatively new to .NET, and am building a website with MVC3, EF4, SQL 2008 R2. Also, I haven't found anything on Stack that directly seems to address my i