CaseExpression 建構函式
定義
重要
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多載
| CaseExpression(SqlExpression, IReadOnlyList<CaseWhenClause>) | |
| CaseExpression(IReadOnlyList<CaseWhenClause>, SqlExpression) |
建立 類別的新實例，表示搜尋的 CaseExpression CASE 運算式。 |
| CaseExpression(SqlExpression, IReadOnlyList<CaseWhenClause>, SqlExpression) |
建立 類別的新實例，這個實例 CaseExpression 表示簡單的 CASE 運算式。 |
CaseExpression(SqlExpression, IReadOnlyList<CaseWhenClause>)
public CaseExpression (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses);new Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpressionPublic Sub New (operand As SqlExpression, whenClauses As IReadOnlyList(Of CaseWhenClause))參數
- operand
- SqlExpression
- whenClauses
- IReadOnlyList<CaseWhenClause>
適用於
CaseExpression(IReadOnlyList<CaseWhenClause>, SqlExpression)
建立 類別的新實例，表示搜尋的 CaseExpression CASE 運算式。
public CaseExpression (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult);public CaseExpression (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult = default);public CaseExpression (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? elseResult = default);new Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpressionPublic Sub New (whenClauses As IReadOnlyList(Of CaseWhenClause), elseResult As SqlExpression)Public Sub New (whenClauses As IReadOnlyList(Of CaseWhenClause), Optional elseResult As SqlExpression = Nothing)參數
- whenClauses
- IReadOnlyList<CaseWhenClause>
要評估條件並從中取得結果的 CaseWhenClause 清單。
- elseResult
- SqlExpression
如果沒有相符專案，則 WhenClauses 傳回的值。如果有的話。
適用於
CaseExpression(SqlExpression, IReadOnlyList<CaseWhenClause>, SqlExpression)
建立 類別的新實例，這個實例 CaseExpression 表示簡單的 CASE 運算式。
public CaseExpression (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult);public CaseExpression (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression elseResult = default);public CaseExpression (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> whenClauses, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression? elseResult = default);new Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseWhenClause> * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpressionPublic Sub New (operand As SqlExpression, whenClauses As IReadOnlyList(Of CaseWhenClause), elseResult As SqlExpression)Public Sub New (operand As SqlExpression, whenClauses As IReadOnlyList(Of CaseWhenClause), Optional elseResult As SqlExpression = Nothing)參數
- operand
- SqlExpression
與 中比較 Test 的 WhenClauses 運算式。
- whenClauses
- IReadOnlyList<CaseWhenClause>
要比較和取得結果的 CaseWhenClause 清單。
- elseResult
- SqlExpression
如果沒有相符專案，則 WhenClauses 傳回的值。如果有的話。
