static async Task DoTaskAsync()
{
var connStr = GetMySqlConnString();
var conn = new MySqlConnection(connStr);
conn.UseConnectionPool = true;
await conn.OpenAsync();
await conn.CloseAsync();
}
public static async void T_OpenAndClose_TAP()
{
System.Diagnostics.Stopwatch stopW = new System.Diagnostics.Stopwatch();
stopW.Start();
//----------------------------------------
//1. form1: call another async method
await DoTaskAsync();
//--------------------------------------------
//2. form2: create task, then start and wait
var t2 = new Task(async () =>
{
var connStr = GetMySqlConnString();
var conn = new MySqlConnection(connStr);
conn.UseConnectionPool = true;
await conn.OpenAsync();
await conn.CloseAsync();
});
t2.Start();
t2.Wait();
//--------------------------------------------
//form3: use simple helper, create task and run,store task in **named** var and wait
var t3 = Task.Run(async () =>
{
var connStr = GetMySqlConnString();
var conn = new MySqlConnection(connStr);
conn.UseConnectionPool = true;
await conn.OpenAsync();
await conn.CloseAsync();
});
await t3;//**
//--------------------------------------------
//form4: use simple helper, create task and run, store task in **anonymous** var and wait
await Task.Run(async () =>
{
var connStr = GetMySqlConnString();
var conn = new MySqlConnection(connStr);
conn.UseConnectionPool = true;
await conn.OpenAsync();
await conn.CloseAsync();
});
//--------------------------------------------
stopW.Stop();
Report.WriteLine("avg:" + stopW.ElapsedTicks);
}
