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POPopulate ListBox
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copied!<p>I have a window with a textbox and a submit button. When pressing the submit button, the data in the textbox should populate into the listbox and be saved.</p> <p>What's the best way of doing this? I tried a recommendation (using ObservableCollection) from an earlier question I had, but I can't seem to get it work. I have tried implementing it like this:</p> <p>I created a class:</p> <pre><code>public class AccountCollection { private string accountName; public string AccountName { get { return accountName; } set { accountName = value; } } public AccountCollection(string accountName) { AccountName = accountName; } } </code></pre> <p>Assigned the binding in my XAML:</p> <pre><code><ListBox ItemsSource="{Binding AccountName, Mode=TwoWay}" IsSynchronizedWithCurrentItem="True" Height="164" HorizontalAlignment="Left" Margin="12" Name="accountListBox" VerticalAlignment="Top" Width="161" SelectionChanged="accountListBox_SelectionChanged" /> </code></pre> <p>...and finally, when a user clicks the submit button from another window that contains the Submit button and textbox:</p> <pre><code>private void okBtn_Click(object sender, RoutedEventArgs e) { BindingExpression expression = okBtn.GetBindingExpression(accountaddTextBox.Text); expression.UpdateSource(); } </code></pre> <p>But alas, I'm getting nowhere. I get an error message at the GetBindingExpression section:</p> <p>Argument 1: cannot convert from 'string' to 'System.Windows.DependencyProperty'</p> <p>What's obvious to me here is that when I created the class I didn't specify anything about the account name from the textbox, so I don't even know if the class is correct.</p> <p>I'm basically confused and don't know what to do. Any help would be appreciated...</p>

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