Information
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

XElement Explicit Conversion (XElement to Nullable<Single>)

Cast the value of this XElement to a Nullable<T> of Single.

This API is not CLS-compliant. 

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

public static explicit operator Nullable<float> (
	XElement element
)

Parameters

element
Type: System.Xml.Linq.XElement
The XElement to cast to Nullable<T> of Single.

Return Value

Type: System.Nullable<Single>
A Nullable<T> of Single that contains the content of this XElement.

ExceptionCondition
FormatException

The element does not contain a valid Single value.

The following example creates an element with single precision floating point content. It then retrieves the value by casting to Nullable<T> of Single.


StringBuilder output = new StringBuilder();
XElement root = new XElement("Root",
    new XElement("Value", 3.402823e38)
);
float? value = (float?)root.Element("Value");
output.Append("Nullable Single: value=" + value == null ? "null" : value.ToString());
output.Append(Environment.NewLine);

OutputTextBlock.Text = output.ToString();


Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback

Community Additions

Show:
© 2014 Microsoft