print the data displayed in datagridview

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C#

application

I have datagridview which is displaying teh data from database .
I want take a print of that complete data .
My code is :

private void button3_Click(object sender, EventArgs e)
        {
            PrintDialog printDialog = new PrintDialog();
            printDialog.ShowDialog();

            printDialog1.AllowSomePages = true;

            // Show the help button.  
            printDialog1.ShowHelp = true;


            printDialog1.Document = docToPrint;
            DialogResult result = printDialog1.ShowDialog();

            // If the result is OK then print the document.       
            if (result == DialogResult.OK)
            {
                this.printDocument1.Print();
            }
        }
        private void document_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
        {
            string text = "In document_PrintPage method.";
            System.Drawing.Font printFont = new System.Drawing.Font

                ("Arial", 35, System.Drawing.FontStyle.Regular);
            e.Graphics.DrawString(text, printFont,
            System.Drawing.Brushes.Black, 10, 10);
 }
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {
            DataGridViewCheckBoxCell chkcell = dataGridView1[e.ColumnIndex, e.RowIndex] as DataGridViewCheckBoxCell;
            if (chkcell != null)
            {
                columnsToPrint[dataGridView1.CurrentRow.Index] = Convert.ToBoolean(chkcell.EditedFormattedValue);
            }

            if (dataGridView1.RowCount > 5)
            {
                //MessageBox.Show("There are a maximum of 31 days in a month buddy");
                dataGridView1.AllowUserToAddRows = false;
            }
        }
        private void printDocument1_PrintPage(object sender, PrintPageEventArgs e)
        {
            Bitmap bm = new Bitmap(this.dataGridView1.Width, this.dataGridView1.Height);
            dataGridView1.DrawToBitmap(bm, new Rectangle(0, 0, this.dataGridView1.Width, this.dataGridView1.Height));
            e.Graphics.DrawImage(bm, 0, 0);

        }

This code is working but it will display only the screenshot type means data that is visible at current size.....not the whole one.

pls reply

meenakshi