使用Web服务保存sharepoint自定义Web部件时格式错误的XML错误

Question

我创建了一个自定义Web部件,它具有自定义集合属性(Tabs).当您在编辑模式下编辑和保存自定义属性时(通过浏览器),Web部件可以正常工作.我想使用Web服务更新我的自定义Web部件,因此我导出了Web部件并获取了xml内容并按原样传递(因此我可以轻松地测试它),但是发生了错误

The file you imported is not valid. 
Verify that the file is a Web Part description file (*.webpart or *.dwp) and that it contains well-formed XML.

我已经使用在线xml验证器验证了xml并删除了此语句

<?xml version="1.0" encoding="utf-16"?>

因为这是根据XML验证器导致不好的formex XML的那个,但仍然没有运气,发生了同样的错误.

有任何想法吗？我无法弄清楚Tabs属性上的XML有什么问题.

码:

    string webPartXml = string.Empty;
    string pageUrl = currenturl;

        Guid storageKey = new Guid(webpartid);

        using (StreamReader sr = new StreamReader(@"C:\tab.txt"))
        {            
            webPartXml = sr.ReadToEnd();                
        }
        webPartXml = webPartXml.Replace("&lt;", "<").Replace("&gt;",">");

        try
        {
            svc.SaveWebPart2(pageUrl, storageKey, webPartXml, WebpartpagesSvc.Storage.Shared, false);
        }catch(Exception err)
        {
            throw;
        }

Tab.txt(Tab.webpart)

<webParts>
  <webPart xmlns="http://schemas.microsoft.com/WebPart/v3">
    <metaData>
      <type name="Test.TabWebPart, Test, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c9e6068352095bx6" />
      <importErrorMessage>Cannot import this web part.</importErrorMessage>
    </metaData>
    <data>
      <properties>
        <property name="ChromeType" type="chrometype">None</property>
        <property name="Height" type="unit" />
        <property name="PanelHeight" type="int">0</property>
        <property name="ShowRoundedTabs" type="bool">False</property>
        <property name="AllowZoneChange" type="bool">True</property>
        <property name="AllowEdit" type="bool">True</property>
        <property name="Tabs" type="Test.Tabs, Test, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c9e6068352095bx6">&lt;?xml version="1.0" encoding="utf-16"?&gt;
&lt;Tabs xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"&gt;
  &lt;TabInfo&gt;
    &lt;Tab&gt;
      &lt;Title&gt;HTML-TESTING&lt;/Title&gt;     
    &lt;/Tab&gt;
  &lt;/TabInfo&gt;
&lt;/Tabs&gt;</property>
        <property name="CatalogIconImageUrl" type="string" />
        <property name="PanelWidth" type="int">0</property>
        <property name="AllowConnect" type="bool">True</property>
        <property name="AllowClose" type="bool">True</property>
        <property name="HelpMode" type="helpmode">Navigate</property>
        <property name="ChildTab" type="System.Collections.Specialized.NameValueCollection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934ebb9" />
        <property name="Hidden" type="bool">False</property>
        <property name="Title" type="string">Tab </property>
        <property name="ChromeState" type="chromestate">Normal</property>
        <property name="AllowHide" type="bool">True</property>
        <property name="Description" type="string">for Tab Sample.</property>
        <property name="AllowMinimize" type="bool">True</property>
        <property name="TitleUrl" type="string" />
        <property name="Width" type="unit" />
        <property name="ExportMode" type="exportmode">All</property>
        <property name="Direction" type="direction">NotSet</property>
        <property name="HelpUrl" type="string" />
        <property name="TitleIconImageUrl" type="string" />
      </properties>
    </data>
  </webPart>
</webParts>

错误信息

base {System.SystemException} = {"Exception of type 'Microsoft.SharePoint.SoapServer.SoapServerException' was thrown."}
InnerText = "The file you imported is not valid. Verify that the file is a Web Part description file (*.webpart or *.dwp) and that it contains well-formed XML."
InnerXml = "<errorstring xmlns=\"http://schemas.microsoft.com/sharepoint/soap/\">The file you imported is not valid. Verify that the file is a Web Part description file (*.webpart or *.dwp) and that it contains well-formed XML.</errorstring>"

Answer 1

我认为当您尝试将 xml 恢复为原始状态时，就会破坏它。你真的需要这行代码吗：

webPartXml = webPartXml.Replace("&lt;", "<").Replace("&gt;",">"); 

如果删除它会发生什么？如果它不起作用，我建议将值包装在 CDATA 标签中以转义 xml：

string startTabProperty = @"<property name=""Tabs"" type=""Test.Tabs, Test, Version=1.0.0.0, Culture=neutral, PublicKeyToken=c9e6068352095bx6"">";
string endTabProperty = "></property>"; //Note the >< in order to identify correct place
webPartXml = webPartXml.Replace("&lt;", "<").Replace("&gt;",">"); 
webPartXml = webPartXml.Replace(startTabProperty, startTabProperty + "<![CDATA[");
webPartXml = webPartXml.Replace(endTabProperty , ">" + "]]>" + "</property>");

祝你好运！