I Trying To Get Information Of My Local Database, But I Can't Call The Items In My List Selector. Does Not Appear, and I Have This Error:

1. System.Windows.Data Error: BindingExpression path error: 'System.String' (HashCode=190143271). BindingExpression: (HashCode=-449154593); target element is 'System.Windows.Documents.Run' (Name='null'); target property is 'Text' (type 'System.String')..