I am using c# membership provider and I get the username from a query string. Now I need to check if the username exist if it does I need to automatically authenticate the user.
How do I check if the user exists in the membership database?
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3 Answers
If you have a password:
if (Membership.ValidateUser(userName, "password"))
{
FormsAuthentication.SetAuthCookie(userName, true);
Response.Redirect("~/welcome.aspx");
}
or if you just want to check if the user exist and log them in
if (Membership.GetUser(userName) != null)
{
FormsAuthentication.SetAuthCookie(userName, true);
Response.Redirect("~/welcome.aspx");
}
Comments
If you are looking for an SSO solution, you can find more information here
http://weblogs.asp.net/hernandl/archive/2004/06/09/ssoformsauth.aspx
3 Comments
bassem ala
i am looking for an SSO solution but the 2 application are using different databases and the 2 projects are under the same solution
PraveenVenu
Then you need to pass encrypted username with an expiring timestamp to the second server and authenticate the user there using the technique explained in the above link.
bassem ala
if (user != "") { FormsAuthentication.SetAuthCookie(user, false);} i did this it worked but i need to refresh the page for the cookie to take effect and authenticate the user
Check the Membership.GetUser method. If the user exists, you can then use FormsAuthentication.SetAuthCookie to authenticate the user.
2 Comments
bassem ala
ok i got the user information and i found him in my database and everything is ok but how to authenticate him ? i mean how i can make him login to the site and display the msg for example : welcome ...
Tuan
I amended the answer to explain.
