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Converting .NET Framework Types to Strings 

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If you want to convert a .NET Framework type to a string, use the ToString method. The ToString method returns a string representation of the type passed in. The following table lists the .NET Framework types that return a string in a format that maps to the XML Schema (XSD) specifications.

.NET Framework type String type returned

Boolean

"true", "false"

Single.PositiveInfinity

"INF"

Single.NegativeInfinity

"-INF"

Double.PositiveInfinity

"INF"

Double.NegativeInfinity

"-INF"

DateTime

Format is yyyy-MM-ddTHH:mm:sszzzzzz and its subsets.

Timespan

Format is PnYnMnTnHnMnS, for example, P2Y10M15DT10H30M20S is a duration of 2 years, 10 months, 15 days, 10hours, 30 minutes and 20 seconds.

See Also

Concepts

Conversion of XML Data Types
Converting Strings to .NET Framework Data Types