The tag 'SystemColorsTheme' does not exist in XML namespace

深鱼 2014-04-30 12:32:29

最近在处理一个Siliverlight项目时，生产XAP包产生以下错误：
The tag 'SystemColorsTheme' does not exist in XML namespace 'http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit'
这个问题是什么导致的？需要怎么处理啊？

原xaml文件：

<UserControl x:Class="IWorld.Admin.WithdrawalReportsPage"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

    xmlns:Admin="clr-namespace:IWorld.Admin"

    xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"

    xmlns:toolkit="http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit"

    mc:Ignorable="d">



    <Grid x:Name="root" Width="912">

        <Grid.RowDefinitions>

            <RowDefinition/>

            <RowDefinition/>

        </Grid.RowDefinitions>

        <Canvas Width="912" Height="120" Grid.Row="0">

            <TextBlock Text="至" Canvas.Left="125" Canvas.Top="10" FontSize="14"></TextBlock>

            <toolkit:SystemColorsTheme Canvas.Top="10">

                <sdk:DatePicker Name="input_beginTime" Height="23" Width="120"/>

            </toolkit:SystemColorsTheme>

            <toolkit:SystemColorsTheme  Canvas.Left="144" Canvas.Top="10">

                <sdk:DatePicker Name="input_endTime" Height="23" Width="120"/>

            </toolkit:SystemColorsTheme>

            <RadioButton Name="input_status_all" GroupName="input_status" Content="全部" Canvas.Top="53"

                         IsChecked="true" Checked="SelectForStatus" />

            <RadioButton GroupName="input_status" Content="处理中" Canvas.Top="53" 

                         Canvas.Left="47" Checked="SelectForStatus" />

            <RadioButton GroupName="input_status" Content="提现成功" Canvas.Top="53" 

            	         Canvas.Left="105" Checked="SelectForStatus" />

            <RadioButton GroupName="input_status" Content="失败" Canvas.Top="53" 

            	         Canvas.Left="174" Checked="SelectForStatus" />



            <Admin:SubmitButton Text="搜   索" Canvas.Left="279" Canvas.Top="6" Height="30" Width="70" 

                                ClickEventHandler="SelectForTime"/>

            <Admin:SubmitButton Text="重   置" Canvas.Left="367" Canvas.Top="6" Height="30" Width="70" 

                                ClickEventHandler="Reset"/>

            <TextBox Name="input_username" Width="120" Canvas.Left="472" Canvas.Top="9"/>

            <Admin:SubmitButton Text="查   找" Canvas.Left="607" Canvas.Top="6" Height="30" Width="70" 

            	ClickEventHandler="SelectForUsername"/>

        </Canvas>

        <Grid x:Name="tableBody" Width="912" Grid.Row="1"/>

    </Grid>

</UserControl>