PropertyBuilder.IsRequired(Boolean) Method
Definition
Important
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Configures whether this property must have a value assigned or null
is a valid value.
A property 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.PropertyBuilder IsRequired (bool required = true);
abstract member IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
override this.IsRequired : bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.PropertyBuilder
Public Overridable Function IsRequired (Optional required As Boolean = true) As PropertyBuilder
Parameters
- required
- Boolean
A value indicating whether the property is required.
Returns
The same builder instance so that multiple configuration calls can be chained.
Applies to
Entity Framework
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