Mail send test. Codebehind

Using System;
Using System.Web;
Using System.Web.UI;
Using System.Web.UI.WebControls;
Using Blood.Com.ClassLib;

Namespace Test
{
<summary>
Mail Send Example
</summary>
public class SendMailSample:System.Web.UI.Page
{
protected System.Web.UI.WebControls.DataGrid DataGrid1;
protected System.Web.UI.WebControls.DropDownList ddlpriority;
protected System.Web.UI.WebControls.DropDownList ddlhtml;
protected System.Web.UI.WebControls.TextBox txtsmtphost;
protected System.Web.UI.WebControls.TextBox Txtport;
protected System.Web.UI.WebControls.TextBox Txtfrom;
protected System.Web.UI.WebControls.TextBox txtfromname;
protected System.Web.UI.WebControls.TextBox Txtto;
protected System.Web.UI.WebControls.TextBox txttoname;
protected System.Web.UI.WebControls.TextBox Txtsubject;
protected System.Web.UI.WebControls.TextBox txtmessage;
protected System.Web.UI.WebControls.RegularExpressionValidator Revport;
protected System.Web.UI.WebControls.RequiredFieldValidator rfvsmtphost;
protected System.Web.UI.WebControls.RequiredFieldValidator Rfvport;
protected System.Web.UI.WebControls.RequiredFieldValidator Rfvfrom;
protected System.Web.UI.WebControls.RequiredFieldValidator rfvto;
protected System.Web.UI.WebControls.RequiredFieldValidator Rfvsubject;
protected System.Web.UI.WebControls.RequiredFieldValidator rfvmessage;
protected System.Web.UI.WebControls.Button Btnsendmail;
protected System.Web.UI.WebControls.Label lblmessage;
protected System.Web.UI.WebControls.RegularExpressionValidator Revfrom;
protected System.Web.UI.WebControls.RegularExpressionValidator revto;
protected System.Web.UI.WebControls.Panel pelmessage;

private void Page_Load (object sender, System.EventArgs e)
{
}

#region Web Form Designer generated code
Override protected void OnInit (EventArgs e)
{
//
Codegen:this the call are required by the ASP.net Web Form Designer.
//
InitializeComponent ();
Base. OnInit (e);
}

<summary>
Required to Designer support-do not modify
The contents is with the Code Editor.
</summary>
private void InitializeComponent ()
{
This.btnSendMail.Click + = new System.EventHandler (This.btnsendmail_click);
This. Load + = new System.EventHandler (this. Page_Load);

}
#endregion

private void Btnsendmail_click (object sender, System.EventArgs e)
{
if (IsPostBack)
{
SmtpMail clsmail = new SmtpMail ();
string strsmtphost = Txtsmtphost.text;
int intport = Int32.Parse (Txtport.text);
string strfrom = Txtfrom.text;
string strfromname = Txtfromname.text;
string strto = Txtto.text;
string strtoname = Txttoname.text;
Smtpmail.prioritys Priority = SMTPMail.Prioritys.NORMAL;
BOOL bolhtml;
string strsubject = Txtsubject.text;
string strmessage = Txtmessage.text;
if (DdlPriority.SelectedItem.Text = = "Default")
{
Priority = SMTPMail.Prioritys.NORMAL;
}
else if (DdlPriority.SelectedItem.Text = "High")
{
Priority = SMTPMail.Prioritys.HIGH;
}
else if (DdlPriority.SelectedItem.Text = "Low")
{
Priority = SMTPMail.Prioritys.LOW;
}
if (DdlHtml.SelectedItem.Text = = "Yes")
{
Bolhtml = true;
}
Else
{
Bolhtml = false;
}
Clsmail.sendmail (strsmtphost,intport,strfrom,strfromname,strto,strtoname,priority,bolhtml, "", StrSubject, strmessage);
if (clsmail.errormessage!= "")
{
Pelmessage.visible = true;
Lblmessage.text = Clsmail.errormessage;
Lblmessage.forecolor = System.Drawing.Color.Red;
}
Else
{
Pelmessage.visible = true;
Lblmessage.text = "Mail sent successfully";
Lblmessage.forecolor = System.Drawing.Color.Blue;
}
}
}
}
}