直接从命名空间类库而不是using
命名空间显式调用方法是否有任何性能优势?
这是我所指的情况的示例:
// using
using System.Configuration;
public class MyClass
{
private readonly static string DBConn = ConfigurationManager.ConnectionStrings["DBConn"].ConnectionString;
}
对比
//explicit
public class MyClass
{
private readonly static string DBConn = System.Configuration.ConfigurationManager.ConnectionStrings["DBConn"].ConnectionString;
}