How to clear Error

Question

i have designing my web page the page is run but value are not store in the database

protected void btnSave_Click(object sender, EventArgs e)
  {
    Int32 st;
    int len = browser.PostedFile.ContentLength;
    byte[] pic = new byte[len];
    browser.PostedFile.InputStream.Read(pic, 0, len);

    SqlCommand Cmd = new SqlCommand();
    SqlConnection Cnn = new SqlConnection();
    string ConnectionString;
    ConnectionString = ConfigurationManager.ConnectionStrings["PhotostudioConnectionString"].ConnectionString;

    Cnn.ConnectionString = ConnectionString;
    if (Cnn.State != ConnectionState.Open)
      Cnn.Open();
    Cmd.Connection = Cnn;
    Cmd.CommandType = CommandType.StoredProcedure;
    Cmd.CommandText = "sproc_Ins_ManualPhotoSettingsDetails";
    Cmd.Parameters.Clear();
    // Cmd.Parameters.AddWithValue("@Id", txtBillNo.Text);
    Cmd.Parameters.AddWithValue("@Name", txtName.Text);
    Cmd.Parameters.AddWithValue("@Phoneno", txtPhoneno.Text);
    Cmd.Parameters.AddWithValue("@Startdate", rdpDate.SelectedDate); 
    Cmd.Parameters.AddWithValue("@Enddate", rdpDelivDate.SelectedDate);
    Cmd.Parameters.Add("@Systemurl", SqlDbType.Image).Value = pic;
    SqlParameter Src = new SqlParameter("@FilePath", SqlDbType.NVarChar, 450);
    Src.Value = browser.PostedFile.FileName;
    Cmd.Parameters.Add(Src);
    Cmd.Parameters.AddWithValue("@Work", TextBox1.Text);
    Cmd.Parameters.AddWithValue("@Size", cmbSize.SelectedItem.Value );
    Cmd.Parameters.AddWithValue("@Rate", txtRate.Text);
    Cmd.Parameters.AddWithValue("@Noofcopies", txtNoofcopies.Text);
    Cmd.Parameters.AddWithValue("@Total", txtTotal.Text);
    Cmd.Parameters.AddWithValue("@Paidamount", txtPaid.Text);
    Cmd.Parameters.AddWithValue("@Balance", txtbal.Text);



    try
    {
      st = Convert.ToInt32(Cmd.ExecuteScalar());

    }
    catch (Exception ex)
    {
      
      
      
         
      
      throw new ApplicationException(
        "!!! An Error Occured While getting Data From Hdr_AccountType." + ex.Message);
      lblError.Visible = true;
      lblError.Text = "!!! An Error Occured While " + ex.Message.ToString();
      return;
    }



    Cmd.Dispose();

Error




An Error Occured While getting Data From Hdr_AccountType.

No mapping exists from object type System.Web.UI.WebControls.ListItem to a known managed provider native type.

Answer 1

Can you identify the statement in you code where the "No mapping..." error occurred?

Further, as your question is about C# in a web app, you might consider asking here:

http://forums.asp.net/37.aspx/1?C+