Question

当我运行我的应用程序时它工作正常，但设计页面给出错误“无效标记”和命名空间“DatePicker”在命名空间“clr-namespace：Microsoft.Phone.Controls; assembly = Microsoft.Phone.Controls.Toolkit”中不存在。

Answer 1

我认为你的拼写错误assembly

xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"

Answer 2

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

Windows Phone 8.0中的命名空间中不存在DatePicker

2 个答案: