private void comboBox1_SelectionChangeCommitted(object sender, EventArgs e) { EtatAttachement et = new EtatAttachement(); et.SetParameterValue("attt", comboBox1.SelectedValue.ToString()); et.SetParameterValue("num", comboBox1.SelectedText.ToString()); et.SetParameterValue("numA", comboBox1.SelectedValue.ToString()); crystalReportViewer1.ReportSource = et; }