C#•8mo ago

❔ How to bind data to a listbox that doesnt come out of a database?

Title pretty much says it all. I have the following code but it doesnt work:

<ListBox x:Name="list_ideologies" Margin="0,0,1031,10" Grid.RowSpan="2" ItemsSource="{Binding data.ideologies}"/>

<ListBox x:Name="list_ideologies" Margin="0,0,1031,10" Grid.RowSpan="2" ItemsSource="{Binding data.ideologies}"/>

17 Replies

SinFluxx•8mo ago

What does your code for your data look like?

TheOneAndOnly•8mo ago

public ProjectData()
{
    countries = new Countries();
    focusIcons = new List<FocusIcon>();
    ideologies = new List<Ideology>();
    projectFolder = new Dictionary<string, string>();
}

public ProjectData()
{
    countries = new Countries();
    focusIcons = new List<FocusIcon>();
    ideologies = new List<Ideology>();
    projectFolder = new Dictionary<string, string>();
}

ideologies is a simple list storing all the ideologies

SinFluxx•8mo ago

how/where are you adding data to ideologies? I've assumed by "doesn't work" you mean that you're not getting any errors/binding errors, just no data showing in the listbox?

TheOneAndOnly•8mo ago

Yeah, the list is correctly filled I have checked that I run this

projectData.ideologies = ProjectLoader.LoadInIdeologies(projectData.GetProjectFolder("ideologies"));

projectData.ideologies = ProjectLoader.LoadInIdeologies(projectData.GetProjectFolder("ideologies"));

When starting up the menu window and loading in all the data/settings

SinFluxx•8mo ago

Don't know what your Ideology class looks like but no reason why it shouldn't work if your ideologies list is populated

TheOneAndOnly•8mo ago

C#
  public class Ideology
  {
      public string name { get; set; }
      public string color { get; set; }
      private List<SubIdeology> subideologiesl;
      private List<string> dynamic_faction_names;
      private List<NameValue> rules;
      private List<NameValue> modifiers;
      public bool can_collaborate { get; set; }
      public bool ai_fascist { get; set; }
      public double war_impact_on_world_tension { get; set; }
      public double faction_impact_on_world_tension { get; set; }
      public double ai_ideology_wanted_units_factor { get; set; }

      public Ideology(string _name)
      {
          dynamic_faction_names = new List<string>();
          rules = new List<NameValue>();
          modifiers = new List<NameValue>();
          subideologiesl = new List<SubIdeology>();
          name = _name;
      }

      public void AddFactionName(string name)
      {
          dynamic_faction_names.Add(name);
      }
      public void AddRule(string name, string value)
      {
          rules.Add(new NameValue(name, value));
      }
      public void AddModifier(string name, string value)
      {
          modifiers.Add(new NameValue(name, value));
      }
      public void AddSubIdeology(SubIdeology subIdeology)
      {
          subideologiesl.Add(subIdeology);
      }
  }
  public struct NameValue
  {
      public string name;
      public string value;
      public NameValue(string name, string value) { this.name = name; this.value = value; }
  }

  public struct SubIdeology
  {
      public string name;
      public bool can_be_randomly_selected;
      public List<NameValue> modifiers;
      public SubIdeology(string name) { this.name = name; }
  }

C#
  public class Ideology
  {
      public string name { get; set; }
      public string color { get; set; }
      private List<SubIdeology> subideologiesl;
      private List<string> dynamic_faction_names;
      private List<NameValue> rules;
      private List<NameValue> modifiers;
      public bool can_collaborate { get; set; }
      public bool ai_fascist { get; set; }
      public double war_impact_on_world_tension { get; set; }
      public double faction_impact_on_world_tension { get; set; }
      public double ai_ideology_wanted_units_factor { get; set; }

      public Ideology(string _name)
      {
          dynamic_faction_names = new List<string>();
          rules = new List<NameValue>();
          modifiers = new List<NameValue>();
          subideologiesl = new List<SubIdeology>();
          name = _name;
      }

      public void AddFactionName(string name)
      {
          dynamic_faction_names.Add(name);
      }
      public void AddRule(string name, string value)
      {
          rules.Add(new NameValue(name, value));
      }
      public void AddModifier(string name, string value)
      {
          modifiers.Add(new NameValue(name, value));
      }
      public void AddSubIdeology(SubIdeology subIdeology)
      {
          subideologiesl.Add(subIdeology);
      }
  }
  public struct NameValue
  {
      public string name;
      public string value;
      public NameValue(string name, string value) { this.name = name; this.value = value; }
  }

  public struct SubIdeology
  {
      public string name;
      public bool can_be_randomly_selected;
      public List<NameValue> modifiers;
      public SubIdeology(string name) { this.name = name; }
  }

That is my ideology class

SinFluxx•8mo ago

copied your class and still works for me

TheOneAndOnly•8mo ago

That is really weird than

SinFluxx•8mo ago

are other bindings on the window working ok? try setting DisplayMemberPath?

TheOneAndOnly•8mo ago

Its only this

 
<Window x:Class="LOTRModdingProgram.Windows.IdeologiesWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:LOTRModdingProgram.Windows"
        mc:Ignorable="d"
        Title="IdeologiesWindow"  Height="850" Width="1200">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="79*"/>
            <RowDefinition Height="756*"/>
        </Grid.RowDefinitions>
        <ListBox x:Name="list_ideologies" Margin="0,0,1031,10" Grid.RowSpan="2" DisplayMemberPath="name" ItemsSource="{Binding data.ideologies}"/>
    </Grid>
</Window>

 
<Window x:Class="LOTRModdingProgram.Windows.IdeologiesWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:LOTRModdingProgram.Windows"
        mc:Ignorable="d"
        Title="IdeologiesWindow"  Height="850" Width="1200">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="79*"/>
            <RowDefinition Height="756*"/>
        </Grid.RowDefinitions>
        <ListBox x:Name="list_ideologies" Margin="0,0,1031,10" Grid.RowSpan="2" DisplayMemberPath="name" ItemsSource="{Binding data.ideologies}"/>
    </Grid>
</Window>

But it still doesnt work

SinFluxx•8mo ago

can you update your margin to 0 and try?

Pobiega•8mo ago

Since ideologies is a list, if the data binding is set up before that list is filled, it will show nothing if you instead make it an ObservableCollection<Ideology>, you might get better results

TheOneAndOnly•8mo ago

C#
public IdeologiesWindow(MenuWindow menu)
{
    this.menu = menu;
    data = menu.projectData;
    settings = menu.settingData;
    InitializeComponent();
}

C#
public IdeologiesWindow(MenuWindow menu)
{
    this.menu = menu;
    data = menu.projectData;
    settings = menu.settingData;
    InitializeComponent();
}

InitializeComponent is run as last shouldnt that assure that the list is defined before binding?

Pobiega•8mo ago

¯\_(ツ)_/¯

TheOneAndOnly•8mo ago

Fair enough Will try to make it a observable and hope that works than

Pobiega•8mo ago

using a list as a datasource should work fine, but as said, no reactivity.

Accord•8mo ago

Was this issue resolved? If so, run /close - otherwise I will mark this as stale and this post will be archived until there is new activity.

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❔ How to bind data to a listbox that doesnt come out of a database?