C#

private void button1_Click(object sender, EventArgs e)
        {
            string wCS = @"Data Source =\Storage Card\ModeDifféré\BaseGmaoLocale.sdf;";
            SqlCeConnection sqlceconn = new SqlCeConnection(wCS);
            SqlCeCommand command = sqlceconn.CreateCommand();
            command.CommandText = "SELECT [ID]+\" \"+[Magasin]+\" \"+ [qtyonhand] AS IMQ from stocks where ID like %@txt%";
            SqlCeDataAdapter adapter = new SqlCeDataAdapter(command);
            SqlCeParameter txt = new SqlCeParameter("@txt", SqlDbType.NVarChar);
            txt.Value= textBox1.Text;
            command.Parameters.Add(txt);
            DataSet ds = new DataSet();
            adapter.Fill(ds);
            listBox1.DataSource = ds.Tables[0];
            listBox1.DisplayMember="IMQ";
        }

there is an error parsing the querry. [token line number =1, token line offset=77, Token in error = %]

var currentRow =
                ((myDataSet.ReunionRow)(((DataRowView)
                (myBindingSource.Current)).Row));

if (currentRow.IsVerifiedNull())
     {
         verifiedDateTimePicker.Value = DateTime.Today;
         verifiedDateTimePicker.Checked = false;
         Debug.WriteLine("Verified is null");
     }
     else
     {
         verifiedDateTimePicker.Value = currentRow.Verified;
         verifiedDateTimePicker.Checked = true;
     }