Handles the method call expression for a call to Queryable.First. If isDefault is true, the expression can contain an argument that is the default value to return when no results are found, contrary to null.

Namespace: SD.LLBLGen.Pro.LinqSupportClasses.ExpressionHandlers
Assembly: SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.9.0.0 (5.9.0)

Syntax

Copy

protected virtual Expression HandleMethodCallFirstSingle(
	MethodCallExpression expressionToHandle,
	bool isSingle,
	bool isDefault
)

Protected Overridable Function HandleMethodCallFirstSingle ( 
	expressionToHandle As MethodCallExpression,
	isSingle As Boolean,
	isDefault As Boolean
) As Expression

Parameters

expressionToHandle: Type: System.Linq.ExpressionsMethodCallExpression
The expression to handle.
isSingle: Type: SystemBoolean
if set to true, the call is a call to Queryable.Single, otherwise a call to Queryable.First
isDefault: Type: SystemBoolean
if set to true, the call is a call to Queryable.SingleOrDefault or Queryable.FirstOrDefault

Return Value

Type: Expression
SelectExpression

Reference

PreProcessor Class

SD.LLBLGen.Pro.LinqSupportClasses.ExpressionHandlers Namespace

PreProcessorAddLanguageSpecificTextSet("LST6613009B_0?cpp=::|nu=.");HandleMethodCallFirstSingle Method

Parameters

Return Value

Reference

PreProcessorHandleMethodCallFirstSingle Method