The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.
DataColumn::AllowDBNull Property
.NET Framework (current version)
Gets or sets a value that indicates whether null values are allowed in this column for rows that belong to the table.
Assembly: System.Data (in System.Data.dll)
Property Value
Type: System::Booleantrue if null values values are allowed; otherwise, false. The default is true.
The following example creates a new DataColumn and sets its AllowDBNull property to true.
.NET Framework
Available since 1.1
Available since 1.1
Show: