How I can transform my C# code : System.Web.Mail“ transform by ”System.Net.Mail"
问题 I am using " System.Web.Mail " to send e-mail via SMTP using C# with my following code. It is working but I think It is obsolete So I want use " System.Net.Mail " How can I change or transform my following code using System; using System.Data; using System.Collections; using System.ComponentModel; using System.Configuration; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using