/// <summary>
/// Checks the po number.
/// </summary>
/// <returns></returns>
public static string CheckPoNumber(List <string> poNumbersList)
{
string poNumbers = RandomHelpers.GetUniquePONumber();
if (poNumbersList != null)
{
againCheck:
var check = poNumbersList.Contains(poNumbers);
if (check)
{
poNumbers = RandomHelpers.GetUniquePONumber();
goto againCheck;
}
else
{
return(poNumbers);
}
}
else
{
return(poNumbers);
}
}
