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XAttribute Explicit Conversion (XAttribute to Nullable<Int32>)

Cast the value of this XAttribute to a Nullable<T> of Int32.

This API is not CLS-compliant. 

Namespace:  System.Xml.Linq
Assembly:  System.Xml.Linq (in System.Xml.Linq.dll)

public static explicit operator Nullable<int> (
	XAttribute attribute
)

Parameters

attribute
Type: System.Xml.Linq.XAttribute

The XAttribute to cast to a Nullable<T> of Int32.

Return Value

Type: System.Nullable<Int32>
A Nullable<T> of Int32 that contains the content of this XAttribute.

The following example creates an attribute with integer content. It then retrieves the value by casting to Nullable<T> of Int32.

XElement root = new XElement("Root", 
    new XAttribute("Att", 2147483647)
);
int? value = (int?)root.Attribute("Att");
Console.WriteLine("Nullable int: value={0}", value == null ? "null" : value.ToString());

This example produces the following output:

Nullable int: value=2147483647

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

XNA Framework

Supported in: 3.0

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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