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 = "APIToken=eyJhbGciOiJIUzI1NiJ9.yJ0aWQiOjE0MTc4NzIxMiwidWlkIjoyNzI3ODM3OSwiaWFkIjoiMjAyMi0wMS0yMFQxMDo0NjoxMy45NDFaIiwicGV;";
using (MondayConnection connection = new MondayConnection(connectionString)) {
int rowsAffected;
MondayCommand cmd = new MondayCommand("DELETE FROM Invoices WHERE Id = @myId", connection);
cmd.Parameters.Add(new MondayParameter("myId","6"));
rowsAffected = cmd.ExecuteNonQuery();
}
VB.NET
Dim connectionString As [String] = "APIToken=eyJhbGciOiJIUzI1NiJ9.yJ0aWQiOjE0MTc4NzIxMiwidWlkIjoyNzI3ODM3OSwiaWFkIjoiMjAyMi0wMS0yMFQxMDo0NjoxMy45NDFaIiwicGV;"
Using connection As New MondayConnection(connectionString)
Dim rowsAffected As Integer
Dim cmd As New MondayCommand("DELETE FROM Invoices WHERE Id = @myId", connection)
cmd.Parameters.Add(New MondayParameter("myId", "6"))
rowsAffected = cmd.ExecuteNonQuery()
End Using