IsRequired メソッド (ColumnBaseBuilder<TControl,TBuilder>)

Configurates C1.Web.Mvc.ColumnBase.IsRequired. Sets a value that determines whether values in the column are required.

シンタックス

Visual Basic
C#

'宣言
 
Public Function IsRequired( _
   ByVal value As System.Nullable(Of Boolean) _
) As TBuilder

public TBuilder IsRequired( 
   System.Nullable<bool> value
)

パラメータ

value: The value.

戻り値の型

Current builder.

解説

By default, this property is set to null, which means values are required, but string columns may contain empty strings. When set to true, values are required and empty strings are not allowed. When set to false, null values and empty strings are allowed.

参照

ColumnBaseBuilder<TControl,TBuilder> クラス
 ColumnBaseBuilder<TControl,TBuilder> メンバ