for example :
CrystalReport1 cr = new CrystalReport3();
cr.DataDefinition.FormulaFields["ID"].Text = "'" + textBox22.Text + "'";
cr.DataDefinition.FormulaFields["Name"].Text = "'" + textBox21.Text + "'";
cr.DataDefinition.FormulaFields["Surname"].Text = "'" + textBox20.Text + "'";
cr.DataDefinition.FormulaFields["Age"].Text = "'" + textBox24.Text + "'";
cr.DataDefinition.FormulaFields["Location"].Text = "'" + textBox23.Text + "'";
crystalReportViewer3.ReportSource = cr;
cr.PrintToPrinter(1, false, 1, 1);
than add formula into crystalreportviewer....
if u have any troble please ask.