本文整理汇总了VB.NET中System.Xml.XmlDocument.Validate方法的典型用法代码示例。如果您正苦于以下问题：VB.NET XmlDocument.Validate方法的具体用法？VB.NET XmlDocument.Validate怎么用？VB.NET XmlDocument.Validate使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Xml.XmlDocument的用法示例。
在下文中一共展示了XmlDocument.Validate方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: XPathValidation
' 导入命名空间
Imports System.Xml
Imports System.Xml.Schema
Imports System.Xml.XPath
Class XPathValidation
Shared Sub Main()
Try
Dim settings As XmlReaderSettings = New XmlReaderSettings()
settings.Schemas.Add("http://www.contoso.com/books", "contosoBooks.xsd")
settings.ValidationType = ValidationType.Schema
Dim reader As XmlReader = XmlReader.Create("contosoBooks.xml", settings)
Dim document As XmlDocument = New XmlDocument()
document.Load(reader)
Dim eventHandler As ValidationEventHandler = New ValidationEventHandler(AddressOf ValidationEventHandler)
' the following call to Validate succeeds.
document.Validate(eventHandler)
' add a node so that the document is no longer valid
Dim navigator As XPathNavigator = document.CreateNavigator()
navigator.MoveToFollowing("price", "http://www.contoso.com/books")
Dim writer As XmlWriter = navigator.InsertAfter()
writer.WriteStartElement("anotherNode", "http://www.contoso.com/books")
writer.WriteEndElement()
writer.Close()
' the document will now fail to successfully validate
document.Validate(eventHandler)
Catch ex As Exception
Console.WriteLine(ex.Message)
End Try
End Sub
Shared Sub ValidationEventHandler(ByVal sender As Object, ByVal e As ValidationEventArgs)
Select Case e.Severity
Case XmlSeverityType.Error
Console.WriteLine("Error: {0}", e.Message)
Case XmlSeverityType.Warning
Console.WriteLine("Warning {0}", e.Message)
End Select
End Sub
End Class