Ошибка root element is missing

User1491413197 posted

Hi there,

Am trying to create a conctact form where in the webservice i have a method call insert.

But when i invoke the method i get an error:

System.Xml.XmlException: Root element is missing.
   at System.Xml.XmlTextReaderImpl.Throw(Exception e)
   at System.Xml.XmlTextReaderImpl.ThrowWithoutLineInfo(String res)
   at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
   at System.Xml.XmlTextReaderImpl.Read()
   at System.Xml.XmlLoader.LoadNode(Boolean skipOverWhitespace)
   at System.Xml.XmlLoader.LoadDocSequence(XmlDocument parentDoc)
   at System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace)
   at System.Xml.XmlDocument.Load(XmlReader reader)
   at System.Xml.XmlDocument.Load(String filename)
   at Service.insert(String firstname, String lastname, String age, String StreetAddress, String City, String State, String Country, String PostalCode, String phonenumber, String mobilenumber, String officenumber, String emailaddress) in c:UsersJayDocumentsVisual Studio 2013WebSitesWebSite3App_CodeService.cs:line 31

Here is my code >

[WebMethod]
public string insert(string firstname, string lastname, string age, string StreetAddress, string City, string State, string Country, string PostalCode, string phonenumber, string mobilenumber, string officenumber, string emailaddress)
{
XmlDocument xmlDoc = new XmlDocument();

xmlDoc.Load(«C:/Users/Jay/Documents/Visual Studio 2013/WebSites/WebSite3/App_Data/contact.xml»);
XmlNode rootNode = xmlDoc.DocumentElement;
String save = «»;
try
{
XmlNode userNode = xmlDoc.CreateElement(«ContactXML»);
rootNode.AppendChild(userNode);

XmlNode FirstName = xmlDoc.CreateElement(«FirstName»);
FirstName.InnerText = firstname;
userNode.AppendChild(FirstName);

XmlNode LastName = xmlDoc.CreateElement(«LastName»);
LastName.InnerText = lastname;
userNode.AppendChild(LastName);

XmlNode Age = xmlDoc.CreateElement(«Age»);
Age.InnerText = age;
userNode.AppendChild(Age);

XmlNode Address = xmlDoc.CreateElement(«Address»);
XmlNode streetAddress = xmlDoc.CreateElement(«streetAddress»);
streetAddress.InnerText = StreetAddress;
XmlNode city = xmlDoc.CreateElement(«city»);
city.InnerText = City;
XmlNode state = xmlDoc.CreateElement(«State»);
state.InnerText = State;
XmlNode country = xmlDoc.CreateElement(«Country»);
country.InnerText = Country;
XmlNode postalCode = xmlDoc.CreateElement(«postalCode»);
postalCode.InnerText = PostalCode;
Address.AppendChild(streetAddress);
Address.AppendChild(city);
Address.AppendChild(state);
Address.AppendChild(country);
Address.AppendChild(postalCode);
userNode.AppendChild(Address);

XmlNode ContactNumber = xmlDoc.CreateElement(«ContactNumber»);
XmlNode PhoneNumber = xmlDoc.CreateElement(«PhoneNumber»);
PhoneNumber.InnerText = phonenumber;
XmlNode MobileNumber = xmlDoc.CreateElement(«MobileNumber»);
MobileNumber.InnerText = mobilenumber;
XmlNode OfficeNumber = xmlDoc.CreateElement(«OfficeNumber»);
OfficeNumber.InnerText = officenumber;
XmlNode EmailAddress = xmlDoc.CreateElement(«EmailAddress»);
EmailAddress.InnerText = emailaddress;
ContactNumber.AppendChild(PhoneNumber);
ContactNumber.AppendChild(MobileNumber);
ContactNumber.AppendChild(OfficeNumber);
ContactNumber.AppendChild(EmailAddress);
userNode.AppendChild(ContactNumber);

save = «Contact succesfully added»;
xmlDoc.Save(«C:/Users/Jay/Documents/Visual Studio 2013/WebSites/WebSite3/App_Data/contact_xml.xml»);

}
catch (Exception ex)
{
save = «Access Denied!»;

}

return save;

}

When updating all Chocolatey packages, the following error message appears:

Root element is missing.
See the log for details (C:ProgramDatachocolateylogschocolatey.log).

chocolatey.log details

2020-05-19 11:44:14,947 22876 [DEBUG] - Sending message 'PostRunMessage' out if there are subscribers...
2020-05-19 11:44:14,953 22876 [ERROR] - Root element is missing.
2020-05-19 11:44:14,958 22876 [ERROR] - More Details: System.Xml.XmlException: Root element is missing.
   at System.Xml.XmlTextReaderImpl.Throw(Exception e)
   at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
   at System.Xml.Linq.XDocument.Load(XmlReader reader, LoadOptions options)
   at NuGet.XmlUtility.LoadSafe(Stream input, Boolean ignoreWhiteSpace)
   at NuGet.Manifest.ReadFrom(Stream stream, IPropertyProvider propertyProvider, Boolean validateSchema)
   at NuGet.LocalPackage.ReadManifest(Stream manifestStream)
   at NuGet.UnzippedPackage.EnsureManifest(String manifestFilePath)
   at NuGet.LocalPackageRepository.OpenPackage(String path)
   at NuGet.LocalPackageRepository.GetPackage(Func`2 openPackage, String path)
   at NuGet.LocalPackageRepository.<GetPackages>d__28.MoveNext()
   at NuGet.CollectionExtensions.AddRange[T](ICollection`1 collection, IEnumerable`1 items)
   at NuGet.LocalPackageRepository.FindPackagesById(Func`2 openPackage, String packageId)
   at NuGet.PackageRepositoryExtensions.FindPackagesById(IPackageRepository repository, String packageId)
   at NuGet.PackageRepositoryExtensions.FindPackage(IPackageRepository repository, String packageId, SemanticVersion version, IPackageConstraintProvider constraintProvider, Boolean allowPrereleaseVersions, Boolean allowUnlisted)
   at chocolatey.infrastructure.app.services.NugetService.upgrade_run(ChocolateyConfiguration config, Action`1 continueAction, Boolean performAction, Action`1 beforeUpgradeAction)
   at chocolatey.infrastructure.app.services.NugetService.upgrade_run(ChocolateyConfiguration config, Action`1 continueAction, Action`1 beforeUpgradeAction)
   at chocolatey.infrastructure.app.services.ChocolateyPackageService.perform_source_runner_function[T](ChocolateyConfiguration config, Func`2 function)
   at chocolatey.infrastructure.app.services.ChocolateyPackageService.upgrade_run(ChocolateyConfiguration config)
   at chocolatey.infrastructure.app.runners.GenericRunner.run(ChocolateyConfiguration config, Container container, Boolean isConsole, Action`1 parseArgs)
   at chocolatey.infrastructure.app.runners.ConsoleApplication.run(String[] args, ChocolateyConfiguration config, Container container)
   at chocolatey.console.Program.Main(String[] args)

Version info

Tested with Chocolatey v0.10.15

You may get the ‘root element is missing’ error message if some of the XML files from  %localappdata%Red GateSQL Prompt 10 are corrupted.

To fix it, please try the following steps:

1. Uninstall SQL Prompt

2. Copy your style and snippets folder and save in another folder

3. Delete the files in %localappdata% > Red Gate > SQL Prompt 10

4. Reinstall SQL Prompt

5. If necessary, copy the custom style files and custom snippets over to the newly created SQL Prompt 10 folder respectively

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