Mini6410 error MSsqlCE

hi, i need some help, i have arm mini 6410 and i write this code

it's run perfect with emulator, but it's not work with mini 6410

Error: is not enough space on the disk

if is not enough space on the disk when how i can run this code?

please help me,
best regards

http://ressim.net/b/out.php/i5486930_untitled-1-jpg


my code:

 private void button1_Click(object sender, EventArgs e)
        {
            SqlCeConnection baglanti = new SqlCeConnection("Data Source=" +
(System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly
().GetName().CodeBase))
+ "\\Northwind.sdf; Persist Security Info=False;");
            SqlCeCommand cmd = new SqlCeCommand("select CategoryName from
Categories", baglanti);
            baglanti.Open();
            SqlCeDataReader dr = cmd.ExecuteReader();

            while (dr.Read())
            {
                textBox1.Text += dr.GetString(0);
            }
        }


http://ressim.net/b/out.php/i5486930_untitled-1-jpg

i solved the problem, in winCE My Device-->(right click)properties-->memory

this: http://c1202.hizliresim.com/u/h/2r2xk.jpg

and i debug my code and i take this error:

http://img845.imageshack.us/img845/5945/41707511.jpg

why i take this error?

Thanks