本文整理匯總了C#中MySql.Data.MySqlClient.MySqlConnection.ExecuteScalar方法的典型用法代碼示例。如果您正苦於以下問題：C# MySqlConnection.ExecuteScalar方法的具體用法？C# MySqlConnection.ExecuteScalar怎麽用？C# MySqlConnection.ExecuteScalar使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類MySql.Data.MySqlClient.MySqlConnection的用法示例。
在下文中一共展示了MySqlConnection.ExecuteScalar方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C#代碼示例。
示例1: QueueVideoId4
private void QueueVideoId4(MySqlConnection db, ulong id)
{
long count = (long)db.ExecuteScalar("SELECT Count(*) FROM TerminalBattleVideos4 " +
"WHERE SerialNumber = @serial_number",
new MySqlParameter("@serial_number", id));
if (count > 0)
{
litMessage4.Text = "This battle video has been saved.";
return;
}
litMessage4.Text = "This battle video is lost.";
}示例2: TablesExists
private static bool TablesExists(MySqlConnection connection)
{
return connection.ExecuteScalar<string>("SHOW TABLES LIKE 'Job';") != null;
}