public static string GetSelectedKeyValue(ComboBoxEdit cmb, int rowLoai)
{
string temp = "";
string temp1 = "";
foreach (var p in cmb.SelectedItems)
{
temp += p.ToString();
}
for (int i = 0; i < rowLoai; i++)
{
string key = cmb.GetKeyValue(i).ToString().Trim();
if (temp.Contains(key))
if (temp1 == "")
{
temp1 += key;
}
else
temp1 = temp1 + ";" + key;
}
return temp1;
}