我通常使用这样的代码:
using (var connection = new SqlConnection(ConfigurationManager.ConnectionStrings["MyConn"].ConnectionString))
{
var command = connection.CreateCommand();
command.CommandText = "...";
connection.Open();
command.ExecuteNonQuery();
}
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我会command自动处理吗?或者不是,我必须把它包装成using块?是否需要处理SqlCommand?