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DBNull.ToString Method (IFormatProvider)

Returns an empty string using the specified System.IFormatProvider.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

public string ToString(
	IFormatProvider provider


Type: System.IFormatProvider

The IFormatProvider to be used to format the return value.


null to obtain the format information from the current locale setting of the operating system.

Return Value

Type: System.String
An empty string (String.Empty).



.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

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8
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