Hello Oliver,
I recommend that you use an
asp:Login control to implement the desired functionality.
For additional information, please take a look at the
Walkthrough: Creating a Web Site with Membership and User Login (Visual Studio) article.
All the best,
Mira
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Explore the
Telerik Public Issue Tracking
system and vote to affect the priority of the items