ADO.NET Provider for WooCommerce

Build 24.0.9062

DELETE ステートメント

テーブルから情報を削除するには、DELETE ステートメントを使用します。

DELETE 構文

DELETE ステートメントには、次の例に示すように、FROM 句のテーブル名とWHERE 句の行の主キーが必要です。

<delete_statement> ::= DELETE FROM <table_name> WHERE { Id = <expression> } [ { AND | OR } ... ]

<expression> ::=
  | @ <parameter> 
  | ?
  | <literal>

次の例に示すように、ExecuteNonQuery メソッドを使って、データ操作コマンドを実行し影響を受ける行数を取得できます。

C#

String connectionString = " Url=http://localhost/woocommerce/;ConsumerKey=ck_ec52c76185c088ecaa3145287c8acba55a6f59ad;ConsumerSecret=cs_9fde14bf57126156701a7563fc87575713c355e5;";
using (WooCommerceConnection connection = new WooCommerceConnection(connectionString)) {
  int rowsAffected;
  WooCommerceCommand cmd = new WooCommerceCommand("DELETE FROM Orders WHERE Id = @myId", connection);
  cmd.Parameters.Add(new WooCommerceParameter("myId","6"));
  rowsAffected = cmd.ExecuteNonQuery();
}

VB.NET

  
Dim connectionString As [String] = " Url=http://localhost/woocommerce/;ConsumerKey=ck_ec52c76185c088ecaa3145287c8acba55a6f59ad;ConsumerSecret=cs_9fde14bf57126156701a7563fc87575713c355e5;"
Using connection As New WooCommerceConnection(connectionString)
  Dim rowsAffected As Integer
  Dim cmd As New WooCommerceCommand("DELETE FROM Orders WHERE Id = @myId", connection)
  cmd.Parameters.Add(New WooCommerceParameter("myId", "6"))
  rowsAffected = cmd.ExecuteNonQuery()
End Using

Copyright (c) 2024 CData Software, Inc. - All rights reserved.
Build 24.0.9062