ADO.NET Provider for Microsoft Dynamics 365

Build 23.0.8839

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 { GoalHeadingId = <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 = "InitiateOAuth=GETANDREFRESH;OrganizationUrl=https://myaccount.operations.dynamics.com/;Edition=Sales;";
using (Dynamics365Connection connection = new Dynamics365Connection(connectionString)) {
  int rowsAffected;
  Dynamics365Command cmd = new Dynamics365Command("DELETE FROM GoalHeadings WHERE GoalHeadingId = @myGoalHeadingId", connection);
  cmd.Parameters.Add(new Dynamics365Parameter("myGoalHeadingId","'test'"));
  rowsAffected = cmd.ExecuteNonQuery();
}

VB.NET

  
Dim connectionString As [String] = "InitiateOAuth=GETANDREFRESH;OrganizationUrl=https://myaccount.operations.dynamics.com/;Edition=Sales;"
Using connection As New Dynamics365Connection(connectionString)
  Dim rowsAffected As Integer
  Dim cmd As New Dynamics365Command("DELETE FROM GoalHeadings WHERE GoalHeadingId = @myGoalHeadingId", connection)
  cmd.Parameters.Add(New Dynamics365Parameter("myGoalHeadingId", "'test'"))
  rowsAffected = cmd.ExecuteNonQuery()
End Using

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Build 23.0.8839