Blank Page :(

felfely

hi,
i`m beginner in Fast Report & & have a problem in passing value to report page.
1. i use MS Access.
2. i add a dataset.
3. i add report component.
4. in smart tag of report component, i select dataset.
5. & i use this codes:

            OleDbConnection conn = new OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Environment.CurrentDirectory + "\\db.accdb");
            OleDbDataAdapter da = new OleDbDataAdapter("select * from tbl", conn);
            DataTable dt = new DataTable("tbl");
            conn.Open();
            da.Fill(dt);
            conn.Close();

            report1.Load("Untitled.frx");
            report1.RegisterData(dt,dt.TableName);
            report1.Show();
            report1.Dispose();

i write this code in button click event.

6. in .rfx file, i drag & drop data fields to report page.

but the report is blank when report comes up