Asp.net how to correct the error
<p>I'm designing in my web page and image are stored in my database (The project is Photostudio management system)</p>

<p>MY Code:</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;

 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)
        {
            SqlDataAdapter da = new SqlDataAdapter();
            SqlConnection cnn = new SqlConnection();
            DataSet ds = new DataSet();
            string constr = null;
            SqlCommand cmd = new SqlCommand();
            if (IsValid != true )
            {
                constr = @"Data Source=DEVI\SQLEXPRESS;Initial Catalog =cat; Integrated 
                                             Security=SSPI";
                cnn.ConnectionString = constr;
                try
                {
                    if (cnn.State != ConnectionState.Open)
                        cnn.Open();



                }
                catch (Exception ex)
                {
                    string str1 = null;
                    str1 = ex.ToString();
                }
                cmd.Connection = cnn;
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.CommandText = "photoset";
                cmd.Parameters.Clear();
                cmd.Parameters.AddWithValue("@BillNo", TextBox1.Text);
                cmd.Parameters.AddWithValue("@CustomerName", TextBox2.Text);
                cmd.Parameters.AddWithValue("@Address", TextBox3.Text);
                cmd.Parameters.AddWithValue("@StartDate",Rdbsdate.SelectedDate );
                cmd.Parameters.AddWithValue("@EndDate", Rdbddate.SelectedDate );
                SqlParameter param0 = new SqlParameter("@Systemurl", SqlDbType.VarChar,  
                                  50);

                cmd.Parameters.AddWithValue("@Numberofcopies", TextBox7.Text);
                cmd.Parameters.AddWithValue("@Amount", TextBox8.Text);
                cmd.Parameters.AddWithValue("@Total", TextBox9.Text);
                da.SelectCommand = cmd;
                try
                {
                    da.Fill(ds);
                }
                catch (Exception ex)
                {
                    string strErrMsg = ex.Message;
                    //throw new applicationException("!!!! An error an occured while 
                     //inserting record."+ex.Message)
                }
                finally
                {
                    da.Dispose();
                    cmd.Dispose();
                    cnn.Close();
                    cnn.Dispose();
                }
                if (ds.Tables.Count &gt; 0)
                {

                    if (ds.Tables[0].Rows.Count &gt; 0)
                    {
                        Msg.Text = "Photo setting sucessfullY";
                    }
                    else
                    {
                        Msg.Text = "photosetting failled";
                    }
                }
            }
        }
    }
  }
</code></pre>

<p>My ERROR
The record are not stored and image is not stored how to change in my code .</p>
