C#

kingletas wrote:

you want to be sarcastic?

kingletas wrote:

avoid users from performing any actions while the application is running

kingletas wrote:

I am planning on modifying certain key on the registry

private static void SortDataTable(DataTable dt, string sort)<br />
{<br />
  DataView dv = new DataView(dt);<br />
  dv.Sort = sort;<br />
  <br />
  // you don't need two tables<br />
  // instead just set the datasource to dataview<br />
  // and rebind it, you should be good<br />
  // but if your column data is mixed of numbers <br />
  // and strings then it will give you the same results<br />
  listView.DataSource = dv;<br />
  listView.DataBind();<br />
}<br />

using System;
using System.Collections;
using System.Windows.Forms;

namespace ListViewHandling
{
    class Sorter : IComparer
    {
        private int _SortColumn;
        private SortOrder _SortOrder;
        private string _SortType;

        public Sorter(int SortColumn, string SortType, SortOrder SortOrder)
        {
            _SortColumn = SortColumn;
            _SortOrder = SortOrder;
            _SortType = SortType;
        }

        public int Compare(object x, object y)
        {
            int Result = 0;
            ListViewItem ItemX;
            ListViewItem ItemY;
            ItemX = (ListViewItem)x;
            ItemY = (ListViewItem)y;
            switch (_SortColumn)
            {
                case 0:
                    switch (_SortType)
                    {
                        case "Numeric":
                            Result = decimal.Compare(Convert.ToDecimal(ItemX.Text), Convert.ToDecimal(ItemY.Text));
                            break;
                        case "Date":
                            Result = DateTime.Compare(DateTime.Parse(ItemX.Text), DateTime.Parse(ItemY.Text));
                            break;
                        default:
                            Result = ItemX.Text.CompareTo(ItemY.Text);
                            break;
                    }
                    break;
                default:
                    switch (_SortType)
                    {
                        case "Numeric":
                            Result = decimal.Compare(Convert.ToDecimal(ItemX.SubItems[_SortColumn].Text), Convert.ToDecimal(ItemY.SubItems[_SortColumn].Text));
                            break;
                        case "Date":
                            Result = DateTime.Compare(DateTime.Parse(ItemX.SubItems[_SortColumn].Text), DateTime.Parse(ItemY.SubItems[_SortColumn].Text));
                            break;
                        default:
                            Result = ItemX.SubItems[_SortColumn].Text.CompareTo(ItemY.SubItems[_SortColumn].Text);
                            break;
                    }
                    break;
            }
            if (Result == 0 && (ItemX.SubItems.Count - 1) > _SortColumn)
            {
                for (int i = _SortColumn + 1; i < ItemX.SubItems.Count; i++)
                {
                    switch ((string)ItemX.SubItems[i].Tag)
                    {
                        case "Numeric":
                            Result = decimal.Compare(Convert.ToDecimal(ItemX.SubItems[i].Text), Convert.ToDecimal(ItemY.SubItems[i].Text));
                            break;
                        case "Date":
                            Result = DateTime.Compare(DateTime.Parse(ItemX.SubItems[i].Text), DateTime.Parse(ItemY.SubItems[i].Text));
                            break;
                        default:
                            Result = ItemX.SubItems[i].Text.CompareTo(ItemY.SubItems[i].Text);
                            break;
                    }
                    if (Result != 0) { break; }
                }
            }
            if (_SortOrder == SortOrder.Descending)
            {
                Result = -Result;
            }
            return Result;
        }
    }
}

public Form1()
        {
            InitializeComponent();
            listView1.ColumnClick += new ColumnClickEventHandler(listView1_ColumnClick);
        }

        void listView1_ColumnClick(object sender, ColumnClickEventArgs e)
        {
            listView1.ListViewItemSorter = new ListViewHandling.Sorter(e.Column, (string)listView1.Columns[e.Column].Tag, SortOrder.Ascending);
        }

Ian Uy wrote:

I have to force the tag though before sorting it.

hdv212 wrote:

i don't want to code access security

hdv212 wrote:

but is that any way to perform this operation by code ?

hdv212 wrote:

my another question :
if my app use com dll or ocx (non dot net), even above solution was not solved problem and how to run it in network ?
many thanks

Dave Kreskowiak wrote:

you MUST understand

led mike wrote:

I mean Visual Basic is all about developing software without understanding how anything works, right?

Dave Kreskowiak wrote:

you have to understand how stuff works