public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button cmdView;
protected System.Web.UI.WebControls.ListBox LstItems;
protected System.Web.UI.WebControls.Label LblError;
protected System.Web.UI.WebControls.CheckBox ChckFull;
private string contents;

protected void Page_Load(object sender, System.EventArgs e)
{
LstItems.Items.Add("Beko TFG2000 Çamaşır Makinesi");
LstItems.Items.Add("Bosch E210 Çamaşır Makinesi");
LstItems.Items.Add("Ariston WQ400 Çamaşır Makinesi");
LstItems.Items.Add("Arçelik A990 Çamaşır Makinesi");
LstItems.Items.Add("Lesita L365 Çamaşır Makinesi");
}

            #region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}

private void InitializeComponent()
{   
this.cmdView.Click += new System.EventHandler(this.cmdView_Click);
this.Load += new System.EventHandler(this.Page_Load);

            }
#endregion

      private void cmdView_Click(object sender, System.EventArgs e)
{
if(LstItems.SelectedIndex==-1)
{
LblError.Text="Bir Ürün Seçmelisiniz…";
}
else
{
string url="NewPage.aspx?";
url+="Item= "+LstItems.SelectedItem.Text+"&";
url+="Mode= "+ChckFull.Checked.ToString();
Response.Redirect(url);
}
}                

}
}

public class NewPage :System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label LblAyrıntı;
protected System.Web.UI.HtmlControls.HtmlGenericControl FONT1;
protected System.Web.UI.WebControls.Label LblInfo;

private void Page_Load(object sender, System.EventArgs e)
{
LblAyrıntı.Visible=false;
LblInfo.Text="Item"+Request.QueryString["Item"];
LblInfo.Text+="<br/>Tüm Ayrıntı:";
LblInfo.Text+=Request.QueryString["Mode"];
if(Request.QueryString["Mode"]=="true")
{LblAyrıntı.Visible=true;
}

      }
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{

InitializeComponent();
base.OnInit(e);
}

private void InitializeComponent()
{   
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
}