private void SelectAllProvButton_Click(object sender, EventArgs e)
 {
     for (int i = 0; i < ProviderCheckedListBox.Items.Count; i++)
     {
         ProviderCheckedListBox.SetItemChecked(i, true);
     }
 }
 private void ClearAllButton_Click(object sender, EventArgs e)
 {
     for (int i = 0; i < ProviderCheckedListBox.Items.Count; i++)
     {
         if (ProviderCheckedListBox.GetItemChecked(i))
         {
             ProviderCheckedListBox.SetItemChecked(i, false);
         }
     }
 }
        //-------------------------------------------------------------------
        private void DrawGraphButton_Click(object sender, EventArgs e)
        {
            string pcode  = "";
            string pLabel = "";
            string fldstr = "";
            string lblstr = "";

            List <providerinfo> pInfoList = new List <providerinfo>();

            // Are we ready?
            // dbConnect?
            if (FDbConnection != null)
            {
                // Data Table Selected ?
                if (FDataTable != null)
                {
                    // Provider selected
                    if (ParmComboBox.SelectedIndex > -1)
                    {
                        fldstr = ExtractCode(ParmComboBox.SelectedItem.ToString(), ref lblstr);
                        if (fldstr != "")
                        {
                            // Parameters checked
                            if (ProviderCheckedListBox.CheckedItems.Count > 0)
                            {
                                // Build the field list
                                foreach (string str in ProviderCheckedListBox.CheckedItems)
                                {
                                    pcode = ExtractCode(str, ref pLabel);
                                    pInfoList.Add(new providerinfo(pcode, pLabel));
                                }
                                // Get the Scenario

                                if ((FSelectedScenario == NOSCENARIOS) || (FSelectedScenario == FIRSTSCENARIO))
                                {
                                    FSelectedScenario = "";
                                }
                                waterSimChartControl1.Manager.BuildAnnualParameterGraph(FDataTable, FDbConnection, FSelectedScenario, pInfoList, fldstr, ParmComboBox.SelectedItem.ToString());
                            }
                            else
                            {
                                MessageBox.Show("At least one provider field must be checked!", "Attention");
                                ProviderCheckedListBox.Focus();
                            }
                        }
                    }
                    else
                    {
                        MessageBox.Show("A parameter must be selected!", "Attention");
                        ParmComboBox.Focus();
                    }
                }
                else
                {
                    MessageBox.Show("A data table must be selected", "Attention!");
                    ParmTablenameComboBox.Focus();
                }
            }
            else
            {
                MessageBox.Show("Database must be opened", "Error");
            }
        }