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XmlReader.MoveToFirstAttribute Method

When overridden in a derived class, moves to the first attribute.

Namespace:  System.Xml
Assemblies:   System.Xml (in System.Xml.dll)
  System.Xml.ReaderWriter (in System.Xml.ReaderWriter.dll)

'Declaration
Public MustOverride Function MoveToFirstAttribute As Boolean

Return Value

Type: System.Boolean
true if an attribute exists (the reader moves to the first attribute); otherwise, false (the position of the reader does not change).

ExceptionCondition
InvalidOperationException

An XmlReader method was called before a previous asynchronous operation finished. In this case, InvalidOperationException is thrown with the message “An asynchronous operation is already in progress.”

The following example gets the value of the first attribute.

reader.ReadToFollowing("book")
reader.MoveToFirstAttribute()
Dim genre As String = reader.Value
Console.WriteLine("The genre value: " + genre)

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0, 2.0, 1.0

Portable Class Library

Supported in: Portable Class Library

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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