XmlReader.MoveToFirstAttribute Method

Definition

Namespace:

System.Xml

Assembly:

System.Xml.ReaderWriter.dll

Source:

XmlReader.cs

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

public:
 abstract bool MoveToFirstAttribute();

public abstract bool MoveToFirstAttribute ();

abstract member MoveToFirstAttribute : unit -> bool

Public MustOverride Function MoveToFirstAttribute () As Boolean

Returns

Boolean

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

Exceptions

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."

Examples

The following example gets the value of the first attribute.

reader.ReadToFollowing("book");
reader.MoveToFirstAttribute();
string genre = reader.Value;
Console.WriteLine("The genre value: " + genre);

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