EntitySchemaIsNullQueryFunction (EntitySchemaQuery,EntitySchemaQueryExpression,EntitySchemaQueryExpression) - конструктор Смотри также Terrasoft.Core.Entities - пространство имен > EntitySchemaIsNullQueryFunction - класс > EntitySchemaIsNullQueryFunction : EntitySchemaIsNullQueryFunction (EntitySchemaQuery,EntitySchemaQueryExpression,EntitySchemaQueryExpression) C#

parentQuery: Query against the schema of the entity that contains the function.

checkExpression: Expression to check for being equal to null.

replacementExpression: Expression returned by the function if checkExpression is equal to null.

Glossary Item Box

Initializes a new EntitySchemaIsNullQueryFunction instance for the specified entity schema query, expression to test and placeholder expression.

Синтаксис

public EntitySchemaIsNullQueryFunction( 
   EntitySchemaQuery parentQuery, 
   EntitySchemaQueryExpression checkExpression, 
   EntitySchemaQueryExpression replacementExpression 
)

Параметры

parentQuery: Query against the schema of the entity that contains the function.
checkExpression: Expression to check for being equal to null.
replacementExpression: Expression returned by the function if checkExpression is equal to null.