protected void Button1_Click( sender, EventArgs e)
 {
 Request.Redirect("Default2.aspx");
 }

string username = Request.QueryString["username"];

string username = Ruquest.Form["receive"];

protected void Button1_Click( sender, EventArgs e)
 {
 Session["username"] = "honge";
 Request.Redirect("Default2.aspx");
 }

string username = Session["username"];

protected void Button1_Click( sender, EventArgs e)
 {  
 Application["username"] = "honge";    
 Request.Redirect("Default2.aspx");
 }

string username = Application["username"];

public string Name 
 {    
 get
 {   
 return "honge";   
 } 
 }  
 protected void Button1_Click( sender, EventArgs e)  
 {    
 Server.Transfer("Default2.aspx");  
 }

send d = Context.Handler as send ;    
 if (d != null)    
 {     
 Response.Write(d.Name);    
 }

PreviousPage d = Context.Handler as PreviousPage ;
 if (d != null)
 {
 Response.Write(d.Name);
 }

send.aspx:receive.aspx:string name = PreviousPage.Name;

private void Button1_Click( sender, System.EventArgs e)　
 {
 string url;
 url="anotherwebform.aspx" + TextBox1.Text + "&email=" + TextBox2.Text; 
 Response.Redirect(url);
 }

private void Page_Load( sender, System.EventArgs e)
 {
 Label1.Text=Request.QueryString["name"];
 Label2.Text=Request.QueryString["email"];
 }

private void Button1_Click( sender, System.EventArgs e)　
 {
 file://textbox1 and textbox2 are webform
 file://controls
 Session["name"]=TextBox1.Text;
 Session["email"]=TextBox2.Text;
 Server.Transfer("anotherwebform.aspx");
 }

private void Page_Load( sender, System.EventArgs e)　　
 {
 Label1.Text=Session["name"].ToString();
 Label2.Text=Session["email"].ToString();
 Session.Remove("name");
 Session.Remove("email");
 }

public string Name
 {
 get
 {
 return TextBox1.Text;
 }
 }
 public string EMail
 {　　
 get
 {
 return TextBox2.Text;
 }
 }

private void Button1_Click( sender, System.EventArgs e)　
 {
 Server.Transfer("anotherwebform.aspx");
 }

private void Page_Load( sender, System.EventArgs e)　
 {file://create instance of source web form
 WebForm1 wf1;
 file://get reference to current handler instance
 wf1=(WebForm1)Context.Handler;
 Label1.Text=wf1.Name;
 Label2.Text=wf1.EMail;
 }