protected void bt_Cancel_Click(object sender, EventArgs e) { lbt_Ketban.Visible = false; bt_Cancel.Visible = false; bt_OK.Visible = false; Guid guid = _fi.GUID(_usersession.CurrentUser, _ac.GetAccountByUsername(lbt_Ketban.Text)); _fs.DeleteFriendFromFriendInvitation(guid, _usersession.CurrentUser); }