Use 'await using' in various doc examples

Signed-off-by: Jesper Noordsij <jesper.noordsij@gmail.com>

Author: jnoordsij

docs/content/api/MySqlConnector/MySqlBatchType.md

@@ -101,16 +101,16 @@ var loggerFactory = LoggerFactory.Create(builder =>
 );
 
 // now create a MySqlDataSource and configure it with the LoggerFactory
-using var dataSource = new MySqlDataSourceBuilder(yourConnectionString)
+await using var dataSource = new MySqlDataSourceBuilder(yourConnectionString)
   .UseLoggerFactory(loggerFactory)
   .Build();
 
 // create all MySqlConnection objects via the MySqlDataSource, not directly
-// DON'T: using var connection = new MySqlConnection(yourConnectionString);
-using var connection = dataSource.CreateConnection();
+// DON'T: await using var connection = new MySqlConnection(yourConnectionString);
+await using var connection = dataSource.CreateConnection();
 
 // you can also create open connections
-using var connection = await dataSource.OpenConnectionAsync();
+await using var connection = await dataSource.OpenConnectionAsync();
 ```
 
 ### Deprecated Logging Framework

docs/content/api/MySqlConnector/MySqlBulkCopyType.md

@@ -59,7 +59,7 @@ A connection pool name can be specified by one of the following means:
 The `MySqlDataSourceBuilder.UseName` method can be used to specify a name for the connection pool:
 
 ```csharp
-using var dataSource = new MySqlDataSourceBuilder("...connection string...")
+await using var dataSource = new MySqlDataSourceBuilder("...connection string...")
     .UseName("MyPoolName")
     .Build();
 ```
@@ -86,7 +86,7 @@ builder.Services.AddKeyedMySqlDataSource("MyPoolName",
 Finally, the connection pool name can be specified by setting the `Application Name` connection string option:
 
 ```csharp
-using var connection = new MySqlConnection("server=dbserver;...;Application Name=MyPoolName");
+await using var connection = new MySqlConnection("server=dbserver;...;Application Name=MyPoolName");
 ```
 
 If `UseName` is used, it will override the `Application Name` connection string option.

docs/content/api/MySqlConnector/MySqlBulkLoaderType.md

@@ -48,7 +48,7 @@ MySqlConnector also fully supports asynchronous I/O. The C# example above can be
 await using var connection = new MySqlConnection("Server=myserver;User ID=mylogin;Password=mypass;Database=mydatabase");
 await connection.OpenAsync();
 
-using var command = new MySqlCommand("SELECT field FROM table;", connection);
+await using var command = new MySqlCommand("SELECT field FROM table;", connection);
 await using var reader = await command.ExecuteReaderAsync();
 while (await reader.ReadAsync())
     Console.WriteLine(reader.GetString(0));

docs/content/diagnostics/logging.md

@@ -22,7 +22,7 @@ an open `MySqlDataReader`.
 You may not execute multiple operations in parallel, for example:
 
 ```csharp
-using var connection = new MySqlConnection("...");
+await using var connection = new MySqlConnection("...");
 await connection.OpenAsync();
 await Task.WhenAll( // don't do this
     connection.ExecuteAsync("SELECT 1;"),

docs/content/diagnostics/metrics.md

@@ -30,11 +30,10 @@ using (var cmd = new MySqlCommand())
 }
 
 // Retrieve all rows
-using var command = new MySqlCommand("SELECT some_field FROM data", connection);
-using var reader = await cmd.ExecuteReaderAsync();
+await using var command = new MySqlCommand("SELECT some_field FROM data", connection);
+await using var reader = await cmd.ExecuteReaderAsync();
 while (await reader.ReadAsync())
     Console.WriteLine(reader.GetString(0));
 ```
 
 You can find more info about the ADO.NET API in the [MSDN documentation](https://docs.microsoft.com/en-us/dotnet/framework/data/adonet/ado-net-overview) or in many tutorials on the Internet.
-

docs/content/home.md

@@ -159,7 +159,7 @@ public class Controllers
     {
         using var db = new AppDb();
         await db.Connection.OpenAsync();
-        using var cmd = db.Connection.CreateCommand();
+        await using var cmd = db.Connection.CreateCommand();
         cmd.CommandText = @"SELECT SLEEP(1)";
         await cmd.ExecuteNonQueryAsync();
     }

docs/content/troubleshooting/connection-reuse.md

@@ -72,16 +72,16 @@ In ASP.NET Core, the `MySqlConnection` object will be dependency-injected into y
 other kinds of projects, you may need to explicitly create the connection:
 
 ```csharp
-using var connection = new MySqlConnection(yourConnectionString);
+await using var connection = new MySqlConnection(yourConnectionString);
 ```
 
 You can then open the connection and execute a query:
 
 ```csharp
 await connection.OpenAsync();
 
-using var command = new MySqlCommand("SELECT field FROM table;", connection);
-using var reader = await command.ExecuteReaderAsync();
+await using var command = new MySqlCommand("SELECT field FROM table;", connection);
+await using var reader = await command.ExecuteReaderAsync();
 while (await reader.ReadAsync())
 {
     var value = reader.GetValue(0);