CaseExpression 建構函式
定義
重要
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多載
CaseExpression(CaseWhenClause[])
初始化 CaseExpression 類別的新執行個體。
public CaseExpression(params Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause[] whenClauses);
new Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression : Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression
Public Sub New (ParamArray whenClauses As CaseWhenClause())
參數
- whenClauses
- CaseWhenClause[]
when 子句的清單。
適用於
CaseExpression(IReadOnlyList<CaseWhenClause>, Expression)
初始化 CaseExpression 類別的新執行個體。
public CaseExpression(System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause> whenClauses, System.Linq.Expressions.Expression elseResult);
new Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause> * System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression
Public Sub New (whenClauses As IReadOnlyList(Of CaseWhenClause), elseResult As Expression)
參數
- whenClauses
- IReadOnlyList<CaseWhenClause>
when 子句的清單。
- elseResult
- Expression
else 結果運算式。
適用於
CaseExpression(Expression, CaseWhenClause[])
初始化 CaseExpression 類別的新執行個體。
public CaseExpression(System.Linq.Expressions.Expression operand, params Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause[] whenClauses);
new Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression : System.Linq.Expressions.Expression * Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause[] -> Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression
Public Sub New (operand As Expression, ParamArray whenClauses As CaseWhenClause())
參數
- operand
- Expression
case 運算元運算式。
- whenClauses
- CaseWhenClause[]
when 子句的清單。
適用於
CaseExpression(Expression, IReadOnlyList<CaseWhenClause>, Expression)
初始化 CaseExpression 類別的新執行個體。
public CaseExpression(System.Linq.Expressions.Expression operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause> whenClauses, System.Linq.Expressions.Expression elseResult);
new Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression : System.Linq.Expressions.Expression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.Expressions.CaseWhenClause> * System.Linq.Expressions.Expression -> Microsoft.EntityFrameworkCore.Query.Expressions.CaseExpression
Public Sub New (operand As Expression, whenClauses As IReadOnlyList(Of CaseWhenClause), elseResult As Expression)
參數
- operand
- Expression
case 運算元運算式。
- whenClauses
- IReadOnlyList<CaseWhenClause>
when 子句的清單。
- elseResult
- Expression
else 結果運算式。