private void btn_add_Click(object sender, EventArgs e)
{
curr_index = -1;
LoadAddEditForm ld_add = new LoadAddEditForm(this);
ld_add.Owner = this;
ld_add.ShowDialog();
}
private void btn_edit_Click(object sender, EventArgs e)
{
curr_index = listView1.SelectedIndices[0];
LoadAddEditForm gr_add = new LoadAddEditForm(this);
gr_add.Owner = this;
gr_add.ShowDialog();
}