protected void ddZamena_SelectedIndexChanged(object sender, EventArgs e)
{
Database db = new Database();
int imgID_selected = Int32.Parse(ddZamena.SelectedItem.Text);
bool res = db.addTransakcijaExchange(Session["UserName"].ToString(), thisPonuda.ID, thisPonuda.AlbumID, imgID_selected);
Response.Redirect("~/HomePage.aspx");
}
