DBNull.IConvertible.ToUInt64(IFormatProvider) Method

Reference

Definition

Namespace:: System

Assemblies:: netstandard.dll, System.Runtime.dll

Assembly:: System.Runtime.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: DBNull.cs

Source:: DBNull.cs

Source:: DBNull.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Important

This API is not CLS-compliant.

This conversion is not supported. Attempting to make this conversion throws an InvalidCastException.

 virtual System::UInt64 System.IConvertible.ToUInt64(IFormatProvider ^ provider) = IConvertible::ToUInt64;

ulong IConvertible.ToUInt64(IFormatProvider provider);

[System.CLSCompliant(false)]
ulong IConvertible.ToUInt64(IFormatProvider provider);

abstract member System.IConvertible.ToUInt64 : IFormatProvider -> uint64
override this.System.IConvertible.ToUInt64 : IFormatProvider -> uint64

[<System.CLSCompliant(false)>]
abstract member System.IConvertible.ToUInt64 : IFormatProvider -> uint64
override this.System.IConvertible.ToUInt64 : IFormatProvider -> uint64

Function ToUInt64 (provider As IFormatProvider) As ULong Implements IConvertible.ToUInt64

Parameters

provider: IFormatProvider

An object that implements the IFormatProvider interface. (This parameter is not used; specify null.)

Returns

UInt64

None. The return value for this member is not used.

Implements

ToUInt64(IFormatProvider)

Attributes: CLSCompliantAttribute

Exceptions

InvalidCastException

This conversion is not supported for the DBNull type.

Applies to

Produkt	Verzie
.NET	Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1

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