public class User
 {
        private string _username;
        private string _password;
        private string _api;
        public string Username
        {
            set { this._username = value; }
            get { return this._username; }
        }
        public string Password
        {
            set { this._password = value; }
            get { return this._password; }
        }
        public string API
        {
            set { this._api = value; }
            get { return this._api; }
        }
 }
 public class Users : List<User> { }

<Window: 
xmlns:system="clr-namespace:System;assembly=mscorlib"
xmlns:local="clr-namespace:NameSpace" 
<!--上面两行是一定要加的,NameSpace换成自己的命名空间-->
<!--上面local是为了下面windows.resources中使用的.-->
...
<!--这里的resource就是根据server端的User来定义的.-->
<Window.Resources>
        <local:Users x:Key="MyUser">
        <local:User Username="User1" Password="Password" API="API1" ></local:User>
        <local:User Username="User2" Password="Password" API="API2" ></local:User>
        </local:Users>
</Window.Resources>
 
<!--这里的父容器要指定DataContext,即User的组合Users,类型为List. 这样容器里面的内容才可以绑定成员-->
<Grid DataContext="{StaticResource MyUser}">
<ListBox Name="lstRecords" ItemsSource="{Binding}">
<!--这里是用来自定义ListView模板的.-->
<ListBox.ItemTemplate>
                <DataTemplate>
                     <TextBox Text="{Binding Path=Username}" ></TextBox>
                     <TextBox Text="{Binding Path=Password}" ></TextBox>
                     <TextBox Text="{Binding Path=API}" ></TextBox>
                </DataTemplate>
</ListBox.ItemTemplate>
<ListBox Name="lstRecords" ItemsSource="{Binding}">
</Grid>

User usr = new User("username","password","api");
Users users = new Users();
Users.Add(usr);
lstName.ItemsSource = users;