C#

int index = listBox1.SelectedIndex;
if (index >= 0)
{
    listBox1.Items.RemoveAt(index);
    Reestablecer();
    // you only need to change the selected index if it is > the new last item
    int lastItem = listBox1.Items.Count - 1;

    // if there are items in the listbox
    if (lastItem >= 0)
    {
        // if the current index is > than the last item
        if (index > lastItem)
        {
            // change the selected index
            listBox1.SelectedIndex = lastItem;
        }
    }
    else
    {
        // no items in the listbox, so we make the selected index -1
        listBox1.SelectedIndex = -1;
    }
}

int index = listBox1.SelectedIndex;
if (index >= 0)
{
    listBox1.Items.RemoveAt(index);
    Reestablecer();
    // you only need to change the selected index if it is > the new last item
    int lastItem = listBox1.Items.Count - 1;

    listBox1.SelectedIndex = Math.Min(lastItem, index);
}

craigMUTOKOKAI wrote:

but i don`t how to write the code for it.

sepel wrote:

what should i to do?

sepel wrote:

how about bind to a view?

led mike wrote:

You should learn how Data Binding works.

TaSsl wrote:

Methods/technique name so I can focus my research? Any guess?

this.monthCalendar1.Location = new System.Drawing.Point(305, 91);
            this.monthCalendar1.Name = "monthCalendar1";
            this.monthCalendar1.TabIndex = 3;
            this.monthCalendar1.DateChanged += new System.Windows.Forms.DateRangeEventHandler(this.monthCalendar1_DateChanged);

private void monthCalendar1_DateChanged(object sender, DateRangeEventArgs e)
      {
          new Form2().ShowDialog();
      }