当用户取消选中项目时。我们如何获得取消选中项目
for (int i = 0; i < ChkLstUserRoles.Items.Count; i++)
{
if (ChkLstUserRoles.Items[i].Selected == true)
{
URoles = URoles + "|" + ChkLstUserRoles.Items[i].Value;
ActivityLog = ActivityLog + "Grant the " + ChkLstUserRoles.Items[i].Text + " to user [" + CboUserName.Text + "]çGrantRole|";
}
}