DBColumn.IsNullable Field

Namespace: DevExpress.Xpo.DB

Assembly: DevExpress.Data.v25.2.dll

NuGet Package: DevExpress.Data

Declaration

C#

[DefaultValue(true)]
public bool IsNullable

VB.NET

<DefaultValue(True)>
Public IsNullable As Boolean

Field Value

Type	Default
Boolean	true

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the IsNullable field.

Note

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C#

XPO_how-to-implement-a-custom-xpo-connection-provider-for-adonetcore-aseclient/CS/DevExpress.Xpo.AseClientCore/AseClientConnectionProvider.cs#L156

}
if(column.IsKey || !column.IsNullable || column.ColumnType == DBColumnType.Boolean) {
    if(column.IsIdentity && (column.ColumnType == DBColumnType.Int32 || column.ColumnType == DBColumnType.Int64) && IsSingleColumnPKColumn(table, column)) {