Hi All. I have an app that uses an xml file to store user settings. I had to change the schema for the file due to some mods, so I need to check the existing settings file (if there is one) to see if it matches the updated schema (xsd) file. If it doesn't match, I want to delete the old file and create a new one in the new format.
I created a method that is supposed to check the existing settings file and validate it against the schema file. My problem is that even when I provide an xml file that is completely different, the validation doesn't return any errors.
Any thoughts on what I'm missing??? Thanks for your help!
VS2005, .NET 2.0
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Here is the xml file "settings.xml":
| <?xml version="1.0" encoding="UTF-8"?> |
| <stuff ExpImpPath="C:\BizTalk" server="boi05pc095" /> |
Here is the schema file "SettingsSchema.xsd":
| <?xml version="1.0" encoding="utf-16"?> |
| <xs:schema xmlns:b="http://schemas.microsoft.com/BizTalk/2003" xmlns="http://www.simplot.com/Simplot.Enterprise.BizTalkSSOTool/SettingsSchema.xsd" elementFormDefault="qualified" targetNamespace="http://www.simplot.com/Simplot.Enterprise.BizTalkSSOTool/SettingsSchema.xsd" id="SettingsSchema" xmlns:xs="http://www.w3.org/2001/XMLSchema"> |
| <xs:element name="settings"> |
| <xs:complexType> |
| <xs:sequence maxOccurs="1"> |
| <xs:element name="configuration"> |
| <xs:complexType> |
| <xs:attribute name="ssoServer" type="xs:string" /> |
| <xs:attribute name="EDIClearEnabledFlag" type="xs:boolean" /> |
| <xs:attribute name="EDIRepositoryServer" type="xs:string" /> |
| </xs:complexType> |
| </xs:element> |
| <xs:element name="users"> |
| <xs:complexType> |
| <xs:sequence maxOccurs="unbounded"> |
| <xs:element name="user"> |
| <xs:complexType> |
| <xs:attribute name="username" type="xs:string" /> |
| <xs:attribute name="ExpImpPath" type="xs:string" /> |
| </xs:complexType> |
| </xs:element> |
| </xs:sequence> |
| </xs:complexType> |
| </xs:element> |
| </xs:sequence> |
| </xs:complexType> |
| </xs:element> |
| </xs:schema> |
And here is my validation code:
| public bool ValidateSettingsFile() |
| { |
| string fileLocation = Application.StartupPath + "\\settings.xml"; |
| string schemaLocation = Application.StartupPath + "\\SettingsSchema.xsd"; |
| string schemaNamespace = "http://www.simplot.com/Simplot.Enterprise.BizTalkSSOTool/SettingsSchema.xsd"; |
| |
| try |
| { |
| XmlReaderSettings settings = new XmlReaderSettings(); |
| settings.Schemas.Add(schemaNamespace, schemaLocation); |
| settings.ValidationType = ValidationType.Schema; |
| |
| XmlReader xmlReader = XmlReader.Create(fileLocation, settings); |
| XmlDocument xmlDoc = new XmlDocument(); |
| xmlDoc.Load(xmlReader); |
| |
| ValidationEventHandler eventHandler = new ValidationEventHandler(ValidationError); |
| xmlDoc.Validate(eventHandler); |
| |
| foreach (XmlNode node in xmlDoc) |
| { |
| if ((node.NodeType == XmlNodeType.Attribute) |
| || (node.NodeType == XmlNodeType.Element)) |
| { |
| xmlDoc.Validate(eventHandler, node); |
| } |
| } |
| |
| if (!xmlSettingsFileValid) |
| { |
| //delete the old style settings file |
| System.IO.File.Delete(fileLocation); |
| createSettingsFile(); |
| return false; |
| } |
| else |
| { |
| return true; |
| } |
| } |
| catch (System.IO.FileNotFoundException e) |
| { |
| string filename = System.IO.Path.GetFileName(e.FileName); |
| if (filename != "SettingsSchema.xsd") |
| { |
| createSettingsFile(); |
| } |
| return false; |
| } |
| } |
| |
| private void ValidationError(object sender, ValidationEventArgs e) |
| { |
| xmlSettingsFileValid = false; |
| } |
