why my report viewer not print last database updated value

Question

Hi,

i am making a bill application in window form C# .i take two data set and drag and drop two tables for printing data on report view.then i create a report and bind data with these data set then after new Form and drag and drop report viewer control.when i run this application on clicking submit button current bill's data inserted into data base.and i want to print this last bill id's detail on report.![enter image description here][1]

when i click on submit button this bill no's all detail inserted into data base properly.

Code of save and print button in c#:

private void button3_Click_1(object sender, EventArgs e)

{

this.Close();

Form2 f2 = new Form2();

f2.Show();

}

after clicking save and print below form open.![enter image description here][2].

Code of Button click :

private void button1_Click(object sender, EventArgs e)

{

da = new SqlDataAdapter("select billId from Bill_Detail order by billId DESC", cn);

DataSet ds = new DataSet();

da.Fill(ds);

int id = Convert.ToInt32(ds.Tables[0].Rows[0][0].ToString());

textBox1.Text = id.ToString();

this.Customer_detailTableAdapter.Fill(this.DataSet1.Customer_detail, Convert.ToInt32(textBox1.Text));

this.Bill_DetailTableAdapter.Fill(this.DataSet2.Bill_Detail, Convert.ToInt32(textBox1.Text));

reportViewer1.LocalReport.Refresh();

this.reportViewer1.RefreshReport();

}

i have tried but it not works.how can i get current Bill no's detail in report viewer?