private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { checkedListBox1.Items.Clear(); if (comboBox1.SelectedIndex == 0) { dataSet1 = dbw1.ReadFartorsByReport(g_reportName); } if (comboBox1.SelectedIndex == 1) { dataSet1 = dbw1.ReadCriteriasByReport(g_reportName); } if (comboBox1.SelectedIndex == 2) { dataSet1 = dbw1.ReadMetricsByReport(g_reportName); } parametrs = new double[0]; this.Invalidate(); for (int i = 0; i < dataSet1.Tables[0].Rows.Count; i++) { checkedListBox1.Items.Add(dataSet1.Tables[0].Rows[i].ItemArray[0].ToString(), false); } }