与填充的ObservableCollection列表视图问题时， [英] Problem when filling listview with ObservableCollection

问题描述

当我preSS按钮列表视图不填充。谁能帮助我？结果
 公众的ObservableCollection CheckInCollection

 公开的ObservableCollection＆LT; CheckInData＆GT; CheckInCollection
    {
        {返回_CheckInCollection; }
    }    公共类CheckInData
    {
        公共字符串RoomNumber {搞定;组; }
        公共十进制价格{搞定;组; }
        公共字符串Currecny {搞定;组; }
        公共小数折扣{搞定;组; }
        公共字符串CheckOut的{搞定;组; }
        公众诠释TotalDay {搞定;组; }
        公共小数TotalPrice {搞定;组; }
        公众诠释CheckOutYear {搞定;组; }
        公众诠释CheckOutMonth {搞定;组; }
        公众诠释CheckOutDay {搞定;组; }
        公共布尔IncToday {搞定;组; }
    }
    私人无效btnAdd_Click（对象发件人，RoutedEventArgs E）
    {
        串_CheckOut =+ datePicker1.SelectedDate.Value.Day.ToString（）+/+ datePicker1.SelectedDate.Value.Month.ToString（）+/+ datePicker1.SelectedDate.Value.Year.ToString（）+ ;
        INT _TotalDays;
        十进制_TotalPrice;
        布尔_IncToday;        如果（cbIncToday.IsChecked ==真）
        {
            _IncToday = TRUE;
            VAR CHECKIN =新日期时间（DateTime.Now.Year，DateTime.Now.Month，DateTime.Now.Day）;
            VAR在checkOut =新日期时间（datePicker1.SelectedDate.Value.Year，datePicker1.SelectedDate.Value.Month，datePicker1.SelectedDate.Value.Day + 1）;            时间跨度TS =结算 - 签;
            _TotalDays = Convert.ToInt32（ts.Days）;
            _TotalPrice = _TotalDays * Convert.ToDecimal（txtPrice.Text）;
        }
        其他
        {
            _IncToday = FALSE;
            VAR CHECKIN =新日期时间（DateTime.Now.Year，DateTime.Now.Month，DateTime.Now.Day）;
            VAR在checkOut =新日期时间（datePicker1.SelectedDate.Value.Year，datePicker1.SelectedDate.Value.Month，datePicker1.SelectedDate.Value.Day）;            时间跨度TS =结算 - 签;
            _TotalDays = Convert.ToInt32（ts.Days）;
            _TotalPrice = _TotalDays * Convert.ToDecimal（txtPrice.Text）;
        }        _CheckInCollection.Add（新CheckInData
        {
            RoomNumber = cbRooms.Text，
            价格= Convert.ToDecimal（txtPrice.Text）
            Currecny = cbCurreny.Text，
            折扣= Convert.ToDecimal（txtDiscount.Text）
            CheckOut的= _CheckOut，
            CheckOutYear = datePicker1.SelectedDate.Value.Year，
            CheckOutMonth = datePicker1.SelectedDate.Value.Month，
            CheckOutDay = datePicker1.SelectedDate.Value.Day，
            IncToday = _IncToday，
            TotalDay = _TotalDays，
            TotalPrice = _TotalPrice        }）;
    }
 

XAML：

 标题=检入HEIGHT =473WIDTH =682WindowStartupLocation =中心屏幕ResizeMode =NoResize的DataContext ={绑定的RelativeSource = {的RelativeSource自}} ＆GT;
＆LT; ListView的保证金=8,8,5,1.04的DisplayMemberPath ={结合CheckInCollection}＆GT;
            ＆LT; ListView.View＆GT;
                ＆LT;＆GridView的GT;
                    ＆LT; GridViewColumn标题=房间号WIDTH =85DisplayMemberBinding ={结合RoomNumber}/＆GT;
                    ＆LT; GridViewColumn标题=价格WIDTH =60DisplayMemberBinding ={结合价格}/＆GT;
                    ＆LT; GridViewColumn标题=CurrecnyWIDTH =70DisplayMemberBinding ={结合货币}/＆GT;
                    ＆LT; GridViewColumn标题=打折WIDTH =65DisplayMemberBinding ={结合折扣}/＆GT;
                    ＆LT; GridViewColumn标题=退房WIDTH =100DisplayMemberBinding ={结合CheckOut的}/＆GT;
                    ＆LT; GridViewColumn标题=总天数WIDTH =100DisplayMemberBinding ={结合TotalDays}/＆GT;
                    ＆LT; GridViewColumn标题=总价格WIDTH =100DisplayMemberBinding ={结合TotalPrice}/＆GT;
                ＆LT; / GridView的＆GT;
            ＆LT; /ListView.View>
        ＆LT; /＆的ListView GT;
 

解决方案

试试这个

 ＆LT; ListView的保证金=8,8,5,1.04的ItemsSource ={绑定路径= CheckInCollection UpdateSourceTrigger = PropertyChanged的}＆GT;
 

When i press button listview does not fills. can anyone help me?
public ObservableCollection CheckInCollection

    public ObservableCollection<CheckInData> CheckInCollection
    {
        get { return _CheckInCollection; }
    }

    public class CheckInData
    {
        public string RoomNumber { get; set; }
        public decimal Price { get; set; }
        public string Currecny { get; set; }
        public decimal Discount { get; set; }
        public string CheckOut { get; set; }
        public int TotalDay { get; set; }
        public decimal TotalPrice { get; set; }
        public int CheckOutYear { get; set; }
        public int CheckOutMonth { get; set; }
        public int CheckOutDay { get; set; }
        public Boolean IncToday { get; set; }
    }
    private void btnAdd_Click(object sender, RoutedEventArgs e)
    {
        string _CheckOut = "" + datePicker1.SelectedDate.Value.Day.ToString() + "/" + datePicker1.SelectedDate.Value.Month.ToString() + "/" + datePicker1.SelectedDate.Value.Year.ToString() + "";
        int _TotalDays;
        decimal _TotalPrice;
        Boolean _IncToday;

        if (cbIncToday.IsChecked == true)
        {
            _IncToday = true;
            var checkIn = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);
            var checkOut = new DateTime(datePicker1.SelectedDate.Value.Year, datePicker1.SelectedDate.Value.Month, datePicker1.SelectedDate.Value.Day + 1);

            TimeSpan ts = checkOut - checkIn;
            _TotalDays = Convert.ToInt32(ts.Days);
            _TotalPrice = _TotalDays * Convert.ToDecimal(txtPrice.Text);
        }
        else
        {
            _IncToday = false;
            var checkIn = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);
            var checkOut = new DateTime(datePicker1.SelectedDate.Value.Year, datePicker1.SelectedDate.Value.Month, datePicker1.SelectedDate.Value.Day);

            TimeSpan ts = checkOut - checkIn;
            _TotalDays = Convert.ToInt32(ts.Days);
            _TotalPrice = _TotalDays * Convert.ToDecimal(txtPrice.Text);
        }

        _CheckInCollection.Add(new CheckInData
        {
            RoomNumber = cbRooms.Text,
            Price = Convert.ToDecimal(txtPrice.Text),
            Currecny = cbCurreny.Text,
            Discount = Convert.ToDecimal(txtDiscount.Text),
            CheckOut = _CheckOut,
            CheckOutYear = datePicker1.SelectedDate.Value.Year,
            CheckOutMonth = datePicker1.SelectedDate.Value.Month,
            CheckOutDay = datePicker1.SelectedDate.Value.Day,
            IncToday = _IncToday,
            TotalDay = _TotalDays,
            TotalPrice = _TotalPrice

        });
    }

XAML:

Title="CheckIn" Height="473" Width="682" WindowStartupLocation="CenterScreen" ResizeMode="NoResize" DataContext="{Binding RelativeSource={RelativeSource Self}}">
<ListView Margin="8,8,5,1.04" DisplayMemberPath="{Binding CheckInCollection}">
            <ListView.View>
                <GridView>
                    <GridViewColumn Header="Room Number" Width="85" DisplayMemberBinding="{Binding RoomNumber}"/>
                    <GridViewColumn Header="Price" Width="60" DisplayMemberBinding="{Binding Price}"/>
                    <GridViewColumn Header="Currecny" Width="70" DisplayMemberBinding="{Binding Currency}"/>
                    <GridViewColumn Header="Discount" Width="65" DisplayMemberBinding="{Binding Discount}"/>
                    <GridViewColumn Header="Check Out" Width="100" DisplayMemberBinding="{Binding CheckOut}"/>
                    <GridViewColumn Header="Total Days" Width="100" DisplayMemberBinding="{Binding TotalDays}"/>
                    <GridViewColumn Header="Total Price" Width="100" DisplayMemberBinding="{Binding TotalPrice}"/>
                </GridView>
            </ListView.View>
        </ListView>

解决方案

try this

<ListView Margin="8,8,5,1.04" ItemsSource="{Binding Path=CheckInCollection UpdateSourceTrigger = PropertyChanged}">

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