Have you tried to use CLRProfiler to find out where your 15 secs is going to?
Regards,
Erick Sgarbi
> I'm writing a user profile tool that manipulates information in an LDAP
> server. I'm using an abstraction layer that talks directly to the server
> (written by another developer). The function of the abstraction layer that
> returns a list of all the users in LDAP returns an ArrayList. For easier
> filtering and sorting of this data, I build a DataTable in code, returning
> its default view so it can be bound to a DataGrid.
>
> The app currently takes between 15-20 seconds to load approximately 800
> users from the LDAP source into memory, cache the user information, and
> display the page (DataGrid displays 20 users per page). The vast majority
> of that time (13-18 seconds) is consumed by the foreach loop that puts each
> ArrayList element into the
>
> The code in question looks like the following:
>
> ArrayList userList = theDirectory.getUsers();
>
> if (userList != null)
> {
> foreach (UserDirectoryObject user in userList)
> {
> DataRow drUser = tblUsers.NewRow();
> drUser["lastName"] = user.lastName;
> drUser["firstName"] = user.firstName;
> /* etc */
> tblUsers.Rows.Add(drUser);
> }
> }
>
> tblUsers.DefaultView.Sort = "lastName";
> return tblUsers.DefaultView
>
>
> Any suggestions about how to increase the speed of this would be greatly
> appreciated.
>
> Thanks!
>
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