Asp.net how to correct the error
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/5482806/asp-net-how-to-correct-the-error">Asp.net how to correct the error</a>  </p>
</blockquote>



<p>I'm designing my web page</p>

<pre><code>using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.SqlClient;
using System.Data.sqldbType.Nvarchar;

    namespace photoshops
        {
 public partial class WebForm1 : System.Web.UI.Page
   {
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        onflbload(sender, e);
    }
    public void onflbload(object sender, EventArgs e)
    {
        // Create a byte[] from the input file

        int len = flbload.PostedFile.ContentLength;
        byte[] pic = new byte[len];
        flbload.PostedFile.InputStream.Read(pic, 0, len);
        // Insert the image and comment into the database

        SqlConnection connection = new SqlConnection(@"Data Source=DEVI\SQLEXPRESS; 
                          Initial Catalog =cat; Integrated Security=SSPI");

        try
        {
            connection.Open();
            SqlCommand cmd = new SqlCommand("insert into tblphotosetting "
             + "

(BillNo,CustomerName,Address,StartDate,EndDate,Systemurl,Numberofcopies,Amount,Total ) 
 values (@BillNo,@CustomerName,@Address,@StartDate,@EndDate,@Systemurl,@Numberofcopies,@Amount,@Total)", connection);
            cmd.Parameters.Add("@BillNo", SqlDbType.NVarChar).Value = TextBox1.Text;
            cmd.Parameters.Add("@CustomerName", SqlDbType.NVarChar).Value = 
      TextBox2.Text;
            cmd.Parameters.Add("@Address", SqlDbType.NVarChar).Value = TextBox3.Text;
            cmd.Parameters.Add("@StartDate", SqlDbType.NVarChar).Value = 
   Rdbsdate.SelectedDate;
            cmd.Parameters.Add("@EndDate", SqlDbType.NVarChar).Value =   
    Rdbddate.SelectedDate;
            cmd.Parameters.Add("@Systemurl", SqlDbType.Image).Value = pic;
            cmd.Parameters.Add("@Numberofcopies", SqlDbType.NVarChar).Value = 

                            TextBox7.Text;
          cmd.Parameters.Add("@Amount", SqlDbType.NVarChar).Value = TextBox8.Text;
          cmd.Parameters.Add("@Total", SqlDbType.NVarChar).Value = TextBox9.Text;




            cmd.ExecuteNonQuery();
        }

        finally
        {
            connection.Close();
        }
    }
}
}
</code></pre>

<p>My error is 
               image are not insert </p>
