c# WPF GridView 列显示空项目

Question

I am trying to make a WPF program that will go through a list of items and put each of those listed items into a list view.

However when I add the items to the list view the columns just show up empty (but highlight when I mouse over the list view so the items are being added)

I was just wondering why the values are not showing up in the columns. Also if it helps I know that "SetData" has values in it because I did a step-into and watched the values be added.

XAML

<ScrollViewer Grid.Column="1" Grid.Row="1" Grid.ColumnSpan="4">
        <ListView x:Name="LIV_SetList">
            <ListView.View>
                <GridView>
                    <!--Each column will display a specific property of the set, its name, code and total number of cards-->
                    <GridViewColumn Header="Set Name" DisplayMemberBinding="{Binding SetName}"/>
                    <GridViewColumn Header="Set Code" DisplayMemberBinding="{Binding SetCode}"/>
                    <GridViewColumn Header="Number Of Cards" DisplayMemberBinding="{Binding SetCount}"/>
                </GridView>
            </ListView.View>

        </ListView>
    </ScrollViewer>

.cs

 // Shove all the data just gathered into a Set Overview, and put that set overview into a list item which is then added to the listview 
                    Classes.SetOverview SetData = new Classes.SetOverview { SetName = SetReader["name"].ToString(), SetCode = TempCode, SetCount = SetSize };
                    LIV_SetList.Items.Add(SetData);

SetOverview Class

public class SetOverview
    {
        //This Is Used On The Main Window To Display Information Regarding A Given Sets Name Code And Number Of Cards
        public string SetName;
        public string SetCode;
        public int SetCount; 
    }

Answer 1

It's hard to say for sure without know how you define the SetOverview class but if it's just a class with 3 string members (SetName, SetCode, SetCount) make sure they are defined as public properties (with get and set) not just regular strings. for example:

public class SetOverview
{
    public string SetName { get; set; }
    public string SetCode { get; set; }
    public string SetCount { get; set; }
}