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Best way to inform user of successful transaction

mugsey asked
Last Modified: 2010-04-15
I have a foreach loop that loops through a datagrid sending an email for each row like this...

  foreach (GridViewRow row in this.gridView.Rows)
                DataRowView drv = row.DataItem as DataRowView;
                EmailMessage message = new EmailMessage();

What I want is the best approach to inform the user that all the records have been iterated successfully, with the total amount of records being displayed.
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Best way? I dunno, but here are some thoughts.

On most forms/web pages I like having a message area for keeping the user informed of progress. That's where I post status messages like that.  Possibly, also I would post instructions for the next step, making the interaction somewhat wizard like.

What takes more thought, perhaps, is what to do when things go bad.  You could use the same status message approach or you can pop up a form or message box to make the problem very obvious.  It can get tricky, in a case where you are iterating through a list, to designate where the problem occurred and the the status of individual emails if some of them did get sent out and others did not.


To catch the errors, you will need to use a Try statement... and inside of this, if the Try succeeds, you can count the successful transactions.  Then, after, show that total.  Let me know if you need help.  I work in VB.NET, but I can probably show it in C# too.


int errorCount = 0;
int count = 0;
foreach (GridViewRow row in this.gridView.Rows)
                DataRowView drv = row.DataItem as DataRowView;
                EmailMessage message = new EmailMessage();
if (error)
{  errorCount++; }

IN a poup or a status bar or evenbetter the caption of the datagrid.

string errmsg = string.empty
if (errorCount >0)
{ errmsg = errorCount  + " messages failed to send"; }
datagrid.text = count + " number of messages processed. "  + errmsg;



Could I have another example please folks in c#
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