I have a question regarding the syntax within a TRY CATCH statement where
in the CATCH section I am needing to THROW this error to the UI class and
handle error there via a MESSAGE BOX of some sort. My UI class
instantiates this class that makes a call to the webservice where I am
trying to autheticate a user who's already logged into my application but
the application timed out on them and logged them out. Any suggestions on
how to handle this better or direction would be appreciated. Thank you.
Here is my code:

// Constructor
public InvoiceList(int aintClientID, int aintMonthText, int aintYearText,
string usersToken)
{
iintClientid = aintClientID;
iintMonth = aintMonthText;
iintYear = aintYearText;

// Connect to the PSS_WebService.
Billing.Service1 wsSearch = new Billing.Service1();
wsSearch.Credentials = CredentialCache.DefaultCredentials;

// Define the dataset for this class.
idsInvoices = new DataSet();
idsInvoices.Locale = CultureInfo.InvariantCulture;

// Try-Catch Code when calling the WEBSERVICE :
try
{
idsInvoices = wsSearch.Invoices( iintClientid, iintMonth, iintYear,
usersToken );
}
catch (SoapException soapEx)
{
throw // WHAT DO I PUT HERE TO THROW TO ANOTHER CLASS? My other class is INVOICELIST.cs
}

throw new Exception(); would work but you would probably want to make a new class that inherits from Exception so that you will know in the other class what exception has been thrown.

catch(Exception ex)
{
  throw new LoginException(intClientid);
}

where

class LoginException : Exception
{
  public LoginException(Object sender, EventArgs e):base(sender,e){}
}


Is this what you wanted... if not maybe you could explain it a little better. Hope it helps.


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