Convert.DBNull Field
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A constant that represents a database column that is absent of data; that is, database null.
public: static initonly System::Object ^ DBNull;C#
public static readonly object DBNull; staticval mutable DBNull : objPublic Shared ReadOnly DBNull As Object The DBNull field is equivalent to DBNull.Value, as the following example shows.
C#
Console.WriteLine(Convert.DBNull.Equals(DBNull.Value));
// Displays True.
printfn $"{Convert.DBNull.Equals DBNull.Value}"
// Displays True.
Console.WriteLine(Convert.DBNull.Equals(DBNull.Value))
' Displays True.
| Proizvod | Verzije |
|---|---|
| .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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