Silverlight Slider 控件莫名奇妙报错

悬赏园豆：5 [已解决问题] 解决于 2008-08-27 21:25

<DIV class=cnblogs_code>当在xaml文件中设置Value值之后,编译解决方案后预览时会报错!~~ 具体代码如下: Page.xaml </DIV> <DIV class=cnblogs_code> 1<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top><UserControl x:Class="SliderMaxValueTest.Page"  2<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"   3<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"   4<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>    Width="400" Height="300">  5<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>    <Grid x:Name="LayoutRoot" Background="White" ShowGridLines="True">  6<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>        <Grid.RowDefinitions>  7<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>            <RowDefinition Height="150" />  8<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>            <RowDefinition Height="*" />         9<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>        </Grid.RowDefinitions> 10<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>        <Slider Maximum="255" Minimum="0" Value="100.0" Grid.Row="0" x:Name="sld" Orientation="Vertical" MaxHeight="300" ValueChanged="Slider_ValueChanged"/> 11<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>        <TextBlock x:Name="Val" Grid.Row="1" Width="200" /> 12<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>    </Grid> 13<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top></UserControl></DIV> <DIV class=cnblogs_code> </DIV> <DIV class=cnblogs_code>Page.xaml.cs <DIV class=cnblogs_code> <DIV class=cnblogs_code> 1<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/None.gif" align=top>namespace SliderMaxValueTest  2<IMG id=Codehighlighter1_29_330_Open_Image onclick="this.style.display='none'; document.getElementById('Codehighlighter1_29_330_Open_Text').style.display='none'; document.getElementById('Codehighlighter1_29_330_Closed_Image').style.display='inline'; document.getElementById('Codehighlighter1_29_330_Closed_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif" align=top><IMG id=Codehighlighter1_29_330_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; document.getElementById('Codehighlighter1_29_330_Closed_Text').style.display='none'; document.getElementById('Codehighlighter1_29_330_Open_Image').style.display='inline'; document.getElementById('Codehighlighter1_29_330_Open_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ContractedBlock.gif" align=top><SPAN id=Codehighlighter1_29_330_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG src="http://space.cnblogs.com/images/dot.gif">{  3<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>    public partial class Page : UserControl  4<IMG id=Codehighlighter1_79_328_Open_Image onclick="this.style.display='none'; document.getElementById('Codehighlighter1_79_328_Open_Text').style.display='none'; document.getElementById('Codehighlighter1_79_328_Closed_Image').style.display='inline'; document.getElementById('Codehighlighter1_79_328_Closed_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG id=Codehighlighter1_79_328_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; document.getElementById('Codehighlighter1_79_328_Closed_Text').style.display='none'; document.getElementById('Codehighlighter1_79_328_Open_Image').style.display='inline'; document.getElementById('Codehighlighter1_79_328_Open_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>    <SPAN id=Codehighlighter1_79_328_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG src="http://space.cnblogs.com/images/dot.gif">{  5<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        public Page()  6<IMG id=Codehighlighter1_111_157_Open_Image onclick="this.style.display='none'; document.getElementById('Codehighlighter1_111_157_Open_Text').style.display='none'; document.getElementById('Codehighlighter1_111_157_Closed_Image').style.display='inline'; document.getElementById('Codehighlighter1_111_157_Closed_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG id=Codehighlighter1_111_157_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; document.getElementById('Codehighlighter1_111_157_Closed_Text').style.display='none'; document.getElementById('Codehighlighter1_111_157_Open_Image').style.display='inline'; document.getElementById('Codehighlighter1_111_157_Open_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <SPAN id=Codehighlighter1_111_157_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG src="http://space.cnblogs.com/images/dot.gif">{  7<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            InitializeComponent();  8<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        }  9<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top> 10<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>        private void Slider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e) 11<IMG id=Codehighlighter1_265_322_Open_Image onclick="this.style.display='none'; document.getElementById('Codehighlighter1_265_322_Open_Text').style.display='none'; document.getElementById('Codehighlighter1_265_322_Closed_Image').style.display='inline'; document.getElementById('Codehighlighter1_265_322_Closed_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif" align=top><IMG id=Codehighlighter1_265_322_Closed_Image style="DISPLAY: none" onclick="this.style.display='none'; document.getElementById('Codehighlighter1_265_322_Closed_Text').style.display='none'; document.getElementById('Codehighlighter1_265_322_Open_Image').style.display='inline'; document.getElementById('Codehighlighter1_265_322_Open_Text').style.display='inline';" src="http://space.cnblogs.com/Images/OutliningIndicators/ContractedSubBlock.gif" align=top>        <SPAN id=Codehighlighter1_265_322_Closed_Text style="BORDER-RIGHT: #808080 1px solid; BORDER-TOP: #808080 1px solid; DISPLAY: none; BORDER-LEFT: #808080 1px solid; BORDER-BOTTOM: #808080 1px solid; BACKGROUND-COLOR: #ffffff"><IMG src="http://space.cnblogs.com/images/dot.gif">{ 12<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/InBlock.gif" align=top>            Val.Text = e.NewValue.ToString(); 13<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>        } 14<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif" align=top>    } 15<IMG src="http://space.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif" align=top>}</DIV> <DIV class=cnblogs_code> </DIV> <DIV class=cnblogs_code>预览测试网页文件时报错: Microsoft JScript runtime error: Unhandled Error in Silverlight 2 Application AG_E_PARSER_BAD_PROPERTY_VALUE [Line: 10 Position: 157]   at System.Windows.Application.LoadComponent(Object component, Uri xamlUri)    at SliderMaxValueTest.Page.InitializeComponent()    at SliderMaxValueTest.Page..ctor()    at SliderMaxValueTest.App.Application_Startup(Object sender, StartupEventArgs e)    at System.Windows.CoreInvokeHandler.InvokeEventHandler(Int32 typeIndex, Delegate handlerDelegate, Object sender, Object args)    at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName) 如果不设置 Slider 控件的Value值时,就很正常! 很是纳闷,哪位朋友帮我看下错哪了?难道是Silverlight版本问题?</DIV></DIV></DIV>

.NET技术 Silverlight

fochan | 初学一级 | 园豆：195
提问于：2008-08-27 20:16

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最佳答案

在Silverlight 2 Beta 2中，如果定义了ValueChanged，似乎不能给Slider的value属性在Xaml中赋初值，可能是一个Bug。你可以在Page的构造函数中： public Page() { InitializeComponent(); this.sld.Value = 100; } 或者在Page_Loaded事件中赋初值： void Page_Loaded(object sender, RoutedEventArgs e) { this.sld.Value = 100; }

TerryLee | 老鸟四级 |园豆：3300 | 2008-08-27 20:31

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Silverlight Slider 控件 莫名奇妙 报错

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Silverlight Slider 控件莫名奇妙报错