Entity.ExistInDB(String,Object) - метод Смотри также Terrasoft.Core.Entities - пространство имен > Entity - класс > ExistInDB - метод : ExistInDB(String,Object) - метод C#

conditionColumnName: The name of the column of the entity schema to which the query condition is applied.

Glossary Item Box

Determines whether a record matching the given condition of the query to the column with the specified name exists in the database.

Синтаксис

public bool ExistInDB( 
   string conditionColumnName, 
   object conditionValue 
)

conditionColumnName: The name of the column of the entity schema to which the query condition is applied.
conditionValue: The query condition.

true if the record matching the conditionValue condition for the column with the conditionColumnName name exists in the database.

Исключение	Описание
System.ArgumentNullException	If the empty value or `null` value is passed as the conditionColumnName parameter.