DbExpressionBuilder.Case Method
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Creates a new DbCaseExpression.
public:
static System::Data::Common::CommandTrees::DbCaseExpression ^ Case(System::Collections::Generic::IEnumerable<System::Data::Common::CommandTrees::DbExpression ^> ^ whenExpressions, System::Collections::Generic::IEnumerable<System::Data::Common::CommandTrees::DbExpression ^> ^ thenExpressions, System::Data::Common::CommandTrees::DbExpression ^ elseExpression);
public static System.Data.Common.CommandTrees.DbCaseExpression Case (System.Collections.Generic.IEnumerable<System.Data.Common.CommandTrees.DbExpression> whenExpressions, System.Collections.Generic.IEnumerable<System.Data.Common.CommandTrees.DbExpression> thenExpressions, System.Data.Common.CommandTrees.DbExpression elseExpression);
static member Case : seq<System.Data.Common.CommandTrees.DbExpression> * seq<System.Data.Common.CommandTrees.DbExpression> * System.Data.Common.CommandTrees.DbExpression -> System.Data.Common.CommandTrees.DbCaseExpression
Public Function Case (whenExpressions As IEnumerable(Of DbExpression), thenExpressions As IEnumerable(Of DbExpression), elseExpression As DbExpression) As DbCaseExpression
Parameters
- whenExpressions
- IEnumerable<DbExpression>
A list of expressions that provide the conditional for of each case.
- thenExpressions
- IEnumerable<DbExpression>
A list of expressions that provide the result of each case.
- elseExpression
- DbExpression
An expression that defines the result when no case is matched.
Returns
A new DbCaseExpression with the specified cases and default result.
Exceptions
whenExpressions
or thenExpressions
is null or contains null, or elseExpression
is null.
whenExpressions
or thenExpressions
is empty or whenExpressions
contains an expression with a non-Boolean result type, or no common result type exists for all expressions in thenExpressions
and elseExpression
.
Applies to
Athugasemdir
https://aka.ms/ContentUserFeedback.
Væntanlegt: Á árinu 2024 munum við hætta með GitHub-mál sem ábendingaleið fyrir efni og skipta því út fyrir nýtt ábendingakerfi. Frekari upplýsingar er að finna hér:Senda inn og skoða endurgjöf fyrir