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Convert.DBNull Field

  • Reference

Definition

Namespace:
System
Assemblies:
netstandard.dll, System.Runtime.dll
Assembly:
System.Runtime.Extensions.dll
Assembly:
mscorlib.dll
Assembly:
netstandard.dll
Source:
Convert.cs
Source:
Convert.cs
Source:
Convert.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.

A constant that represents a database column that is absent of data; that is, database null.

public static readonly object DBNull;

Field Value

Object

Remarks

The DBNull field is equivalent to DBNull.Value, as the following example shows.

Console.WriteLine(Convert.DBNull.Equals(DBNull.Value));
// Displays True.

Applies to

Προϊόν Εκδόσεις
.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

See also