Count Record in access database C# asp.net

string connectionString = "provider=Microsoft.Jet.OLEDB.4.0;data source=c:\\sites\\abcDB.mdb";

     

        string Strsql1 = "select count(Itmno) from svprodtab where Itmno='" + ItemnoCnt + "'";

        

        OleDbConnection MyConnCount = new OleDbConnection(connectionString);

        OleDbCommand cmd1 = new OleDbCommand(Strsql1, MyConnCount);

        MyConnCount.Open();

        int itmcnt = cmd1.ExecuteNonQuery();

        Response.Write("count>" + itmcnt);

        MyConnCount.Close();