C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace DebtManagement
{
    public partial class DiaryPrintForm : Form
    {
        private ListViewSortManager m_sortMgr;
        private System.Windows.Forms.BindingManagerBase customerBinding;
        private Font colorFont;
        private int indexCounter = 0;
        private customerForm customerForm;
        private int customerIndex;

        public DiaryPrintForm(customerForm customerForm, int customerIndex)
        {
            InitializeComponent();
            this.customerForm = customerForm;
            this.customerIndex = customerIndex;
            customerDataSet.Merge(customerForm.customerDataSet);
            customerBinding = BindingContext[customerDataSet, "customer"];
            BindingContext[customerDataSet, "customer"].Position = customerIndex;
            PopulateDiaryListView();
        }

        private void DiaryPrintForm_Load(object sender, System.EventArgs e)
        {
            colorFont = new Font("Wingdings", 12f, GraphicsUnit.Point);
        }

        private void DiaryPrintForm_Closed(object sender, System.EventArgs e)
        {
            colorFont = null;
        }

        private void PopulateDiaryListView()
        {
            DateTime date = new DateTime(1970, 1, 1);
            string fileToShow = "";
            diaryListView.Items.Clear();
            
            if (customerBinding.Count > 0)
            {
                foreach (customerDataSet.DiaryRow row in customerDataSet.customer.DefaultView[customerBinding.Position].Row.GetChildRows("customerDiary"))
                {
                    if (row.RowState != DataRowState.Deleted)
                    {
                        
                        customerDataSet.UsersRow user = row.UsersRowByUsersDiary;
                        ListViewItem item = new ListViewItem();
                        if (row.IsFilenameNull() != true)
                        {
                            item.ImageIndex = 0;
                        }

                        if (row.DiaryActionID.ToString() == "33")
                        {
                            if (row.DiaryDate.CompareTo(date) == 1)
                            {
                                date = row.DiaryDate;
                                if (row["Filename"] != DBNull.Value)
                                {
                                    fileToShow = row.Filename.ToString();
                                }
                            }

                        }

                        item.SubItems.Add('\x6E'.ToString(), Color.FromArgb(row.DiaryActionRow.Color), diaryListView.BackColor, colorFont);
                        item.SubItems.Add(row.ManagerPriority.ToString());
                        item.SubItems.Add(row.UserPriority.ToString());
                        item.SubItems.Add(row.DiaryDate.ToString());
                        item.SubItems.Add(row.DiaryActionRow.Description);
                        item.SubItems.Add(row.Description);
                        item.SubItems.Add(row.IsDueDateNull() ? "" : row.DueDate.ToString());
                        item.SubItems.Add(row.Complete ? "Yes" : "No");
                        item.SubItems.Add(row.Charges.ToString("C"));
                        item.SubItems.Add(user.IsInitialsNull() ? "" : user.Initials);
                        item.SubItems.Add(row.IsNotesNull() ? "" : row.Notes);
                        item.SubItems.Add(row.ActionedByID.ToString());
                        item.SubItems.Add(row.Acknowledged.ToString());
                        item.SubItems.Add(row.IsLetterIDNull() ? "" : row.LetterID.ToString());
                        item.SubItems.Add(row.IsFilenameNull() ? "" : row.Filename.ToString());
                        item.SubItems.Add(user.IsFullNameNull() ? "" : user.FullName.ToString());

                        item.Tag = row;
                        diaryListView.Items.Add(item);
                        indexCounter++;
                    }

                    m_sortMgr = new ListViewSortManager(diaryListView,
                new Type[] {   
                               typeof(ListViewTextSort), 
                               typeof(ListViewTextSort), 
                               typeof(ListViewTextSort), 
                               typeof(ListViewTextSort), 
                               typeof(ListViewDateSort),
                               typeof(ListViewTextSort), 
                               typeof(ListViewTextSort),
                               typeof(ListViewDateSort),
                               typeof(ListViewTextSort),
                               typeof(ListViewDoubleSort),
                               typeof(ListViewTextSort)
                           },
                4, System.Windows.Forms.SortOrder.Descending);
                    
                }
                if (diaryListView.SelectedItems.Count == 0 && diaryListView.Items.Count > 0)
                {
                    diaryListView.Items[0].Selected = true;
                }
            }
        }
    }
}

public Hashtable FetchArray(ref OdbcDataReader reader)
        {
            int counter = 0;
            int integer = reader.FieldCount;
            Hashtable hashtable = new Hashtable();
            if (reader.Read())
            {
                for (int i = 0; i <= integer+1; i++)
                {
                    hashtable.Add(reader.GetName(i), reader.GetValue(i)); // Exception here
                }
                counter++;
            }
            return hashtable;
        }