本文整理汇总了C#中MySql.Data.MySqlClient.MySqlConnection.ExecuteScalar方法的典型用法代码示例。如果您正苦于以下问题：C# MySqlConnection.ExecuteScalar方法的具体用法？C# MySqlConnection.ExecuteScalar怎么用？C# MySqlConnection.ExecuteScalar使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MySql.Data.MySqlClient.MySqlConnection的用法示例。
在下文中一共展示了MySqlConnection.ExecuteScalar方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
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;
}