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ElementTypeBuilder.IsRequired(Boolean) Method

Definition

Configures whether elements of the collection must have a value or can be null. An element can only be configured as non-required if it is based on a CLR type that can be assigned null.

public virtual Microsoft.EntityFrameworkCore.Metadata.Builders.ElementTypeBuilder IsRequired (bool required = true);
abstract member IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ElementTypeBuilder
override this.IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.ElementTypeBuilder
Public Overridable Function IsRequired (Optional required As Boolean = true) As ElementTypeBuilder

Parameters

required
Boolean

A value indicating whether elements of the collection must not be null.

Returns

The same builder instance so that multiple configuration calls can be chained.

Applies to