/// <summary> /// Removes role from the list of authorized roles. /// </summary> protected void btnRemoveRole_Click(object sender, EventArgs e) { if (!CheckModifyPermissions()) { return; } foreach (ListItem item in lstRoles.GetSelectedItems()) { int roleId = ValidationHelper.GetInteger(item.Value, 0); PollInfoProvider.RemoveRoleFromPoll(roleId, ItemID); } // Reload listbox with roles ReloadRolesList(); }