Programming with .NET - General

Programming with .NET - Generalhttp://forums.silverlight.net/forums/17.aspxGeneral discussions around authoring Silverlight .NET applications.enCommunityServer 2007 (Build: 20416.853)Re: Loading XML with webclient to use as style for datagridhttp://forums.silverlight.net/forums/thread/243821.aspxTue, 07 Jul 2009 10:07:58 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:243821Amanda Wang - MSFT0http://forums.silverlight.net/forums/thread/243821.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=17&PostID=243821<p> Hi,</p><p><BLOCKQUOTE><div><img src="/Themes/silverlight/images/icon-quote.gif"> <strong>Jya:</strong></div><div> can someone tell me what i'm doing wrong?</div></BLOCKQUOTE> </p><p>The cause of your problem is on the line code  XElement elem = XElement.Load(XmlReader.Create(new StringReader(XmlString)));</p><p>You can try to set a break point on this  line code, you will notice elem content includes the content of the xml and the attributes' values, in other word the elem does not have the correct xml format conent. That's why the XamlReader.Load does not the parse the xml correctly.</p><p>You can try to refer below code, use XDocument instead of XElement:</p><p> void webClient_DownloadStringCompleted(object sender, DownloadStringCompletedEventArgs e)<br />        {<br />            string XmlString = e.Result;<br /><br />            XDocument doc = XDocument.Load(new StringReader(XmlString));</p><p><br />         //   XElement elem = XElement.Load(XmlReader.Create(new StringReader(XmlString)));<br />          //  XElement elem = XElement.Load(XmlReader.Create(XmlString)));<br />          Style  s = System.Windows.Markup.XamlReader.Load((doc).ToString()) as Style; <br />        } <br /></p>Re: Loading XML with webclient to use as style for datagridhttp://forums.silverlight.net/forums/thread/242468.aspxSat, 04 Jul 2009 09:28:01 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:242468codebased0http://forums.silverlight.net/forums/thread/242468.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=17&PostID=242468<p>Do you have this in the project already and registered with the same namespace? </p><p> </p><p>xmlns:datagrid="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data" <br /></p>Loading XML with webclient to use as style for datagridhttp://forums.silverlight.net/forums/thread/241608.aspxFri, 03 Jul 2009 09:12:08 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:241608Jya0http://forums.silverlight.net/forums/thread/241608.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=17&PostID=241608<p><b>I have an XML-file which contains a style and is located under the Clientbin-directory. </b></p><p><Style xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"<br />       xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"<br />       x:Key="MyCustomRow"<br />       xmlns:datagrid="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data"<br />       TargetType="datagrid:DataGridRow"<br />       xmlns:localprimitives="clr-namespace:System.Windows.Controls.Primitives;assembly=System.Windows.Controls.Data"<br />       xmlns:vsm="clr-namespace:System.Windows;assembly=System.Windows"       ><br />  <Setter Property="IsTabStop" Value="False" /><br />  <Setter Property="Template"><br />    <Setter.Value><br />      <ControlTemplate TargetType="datagrid:DataGridRow"><br />        <localprimitives:DataGridFrozenGrid Name="Root"><br />          <vsm:VisualStateManager.VisualStateGroups><br />            <vsm:VisualStateGroup x:Name="CommonStates"><br />              <vsm:VisualStateGroup.Transitions><br />                <vsm:VisualTransition GeneratedDuration="0" /><br />              </vsm:VisualStateGroup.Transitions><br />              <vsm:VisualState x:Name="Normal" /><br />              <vsm:VisualState x:Name="Normal AlternatingRow"><br />                <Storyboard><br />                  <DoubleAnimation Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="Opacity" Duration="0" To="0"/><br />                </Storyboard><br />              </vsm:VisualState><br />              <vsm:VisualState x:Name="MouseOver"><br />                <Storyboard><br />                  <DoubleAnimation Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="Opacity" Duration="0" To=".5"/><br />                  <ColorAnimationUsingKeyFrames BeginTime="0" Duration="0" Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"><br />                    <SplineColorKeyFrame KeyTime="0" Value="#66ccff"/><br />                  </ColorAnimationUsingKeyFrames><br />                </Storyboard><br />              </vsm:VisualState><br />              <vsm:VisualState x:Name="Normal Selected"><br />                <Storyboard><br />                  <DoubleAnimation Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="Opacity" Duration="0" To="1"/><br />                  <ColorAnimationUsingKeyFrames BeginTime="0" Duration="0" Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"><br />                    <SplineColorKeyFrame KeyTime="0" Value="#66ccff"/><br />                  </ColorAnimationUsingKeyFrames><br />                </Storyboard><br />              </vsm:VisualState><br />              <vsm:VisualState x:Name="MouseOver Selected"><br />                <Storyboard><br />                  <DoubleAnimation Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="Opacity" Duration="0" To="1"/><br />                  <ColorAnimationUsingKeyFrames BeginTime="0" Duration="0" Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"><br />                    <SplineColorKeyFrame KeyTime="0" Value="#66ccff"/><br />                  </ColorAnimationUsingKeyFrames><br />                </Storyboard><br />              </vsm:VisualState><br />              <vsm:VisualState x:Name="Unfocused Selected"><br />                <Storyboard><br />                  <DoubleAnimation Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="Opacity" Duration="0" To="1"/><br />                  <ColorAnimationUsingKeyFrames BeginTime="0" Duration="0" Storyboard.TargetName="BackgroundRectangle" Storyboard.TargetProperty="(Shape.Fill).(SolidColorBrush.Color)"><br />                    <SplineColorKeyFrame KeyTime="0" Value="#66ccff"/><br />                  </ColorAnimationUsingKeyFrames><br />                </Storyboard><br />              </vsm:VisualState><br />            </vsm:VisualStateGroup><br />          </vsm:VisualStateManager.VisualStateGroups><br />          <Grid.RowDefinitions><br />            <RowDefinition Height="*"/><br />            <RowDefinition Height="Auto"/><br />            <RowDefinition Height="Auto"/><br />          </Grid.RowDefinitions><br />          <Grid.ColumnDefinitions><br />            <ColumnDefinition Width="Auto" /><br />            <ColumnDefinition Width="*" /><br />          </Grid.ColumnDefinitions><br /><br />          <Grid.Resources><br />            <Storyboard x:Key="DetailsVisibleTransition"><br />              <DoubleAnimation Storyboard.TargetName="DetailsPresenter" Storyboard.TargetProperty="ContentHeight" Duration="00:00:0.1" /><br />            </Storyboard><br />          </Grid.Resources><br /><br />          <Rectangle x:Name="BackgroundRectangle" Grid.RowSpan="2" Grid.ColumnSpan="2" Opacity="0" Fill="#1ca0f2"/><br /><br />          <localprimitives:DataGridRowHeader Grid.RowSpan="3" Name="RowHeader" localprimitives:DataGridFrozenGrid.IsFrozen="True" /><br />          <localprimitives:DataGridCellsPresenter Grid.Column="1" Name="CellsPresenter" localprimitives:DataGridFrozenGrid.IsFrozen="True" /><br />          <localprimitives:DataGridDetailsPresenter Grid.Row="1" Grid.Column="1" Name="DetailsPresenter" /><br />          <Rectangle Grid.Row="2" Grid.Column="1" Name="BottomGridLine" HorizontalAlignment="Stretch" Height="1" /><br />        </localprimitives:DataGridFrozenGrid><br />      </ControlTemplate><br />    </Setter.Value><br />  </Setter><br /></Style> <br /></p><p> </p><p>The xml-file is downloaded as followed.<br /></p><pre class="coloredcode">var webClient = <span class="kwd">new</span> WebClient(); webClient.DownloadStringCompleted += <span class="kwd">new</span> DownloadStringCompletedEventHandler(webClient_DownloadStringCompleted); webClient.DownloadStringAsync(<span class="kwd">new</span> Uri(<span class="st">"DatagridRowStyle.xml"</span>, UriKind.RelativeOrAbsolute));</pre><pre class="coloredcode"> </pre><pre class="coloredcode"><b>After this i convert my result to a style as followed</b></pre><pre class="coloredcode">string XmlString = e.Result;<br />XElement elem = XElement.Load(XmlReader.Create(new StringReader(XmlString)));<br />s = System.Windows.Markup.XamlReader.Load((elem).ToString()) as Style; </pre><pre class="coloredcode"> </pre><pre class="coloredcode"><b>but when I assign this style to my datagrid it gives me an error "xamlparseexception occured" at line 0, position 0</b></pre><pre class="coloredcode"><b>After this I tried exactly the same with a regular button and gave it this style and this works</b></pre><pre class="coloredcode"><Style xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"<br /> xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"<br /> x:Key="btnTest"<br /> TargetType="Button"> <br /> <Setter Property="Background" Value="Red"/><br /> <Setter Property="FontSize" Value="25"/><br /> <Setter Property="Foreground" Value="Blue"/><br /></Style> <br /></pre><pre class="coloredcode"><b> can someone tell me what i'm doing wrong?</b></pre><b> Thanks</b>