root directory in asp.net need not hard code

Question

i am tryin to send mail to a user and providing him a authetication link to activate his account but i am hard coding the link. is there any way where i need not hard code

string url = "http://localhost:3876/User/Authenticate-User.aspx?emailID=" + emailfield;

string msgBody = "<h3>Dear User</h3>" + "<p>Thanks for your interest, Kindly click on the URL below to authenticate</p><br>" +
                              "<a href='" + url + "'>Activate Link</a><br><br>" +
                              "\r\n<p>With Regards,<br>Team</p>";

So whats the problem. You are generating ActivateLink dynamically I guess. If the same message is to be sent to every user then it is ok. How you want it to be? — Vinod Maurya
– Vinod Maurya, Commented Mar 15, 2011 at 12:35

Justin Wignall · Accepted Answer · 2011-03-15 12:35:03Z

2

You can get the correct address for where a page is hosted using Request.Url

I find the "GetComponents" method most flexible in that you can see your options with Intellisense quite easily.

string serverAddress = "http://" + 
HttpContext.Current.Request.Url.GetComponents(UriComponents.Host, UriFormat.SafeUnescaped);
if (!string.IsNullOrEmpty(HttpContext.Current.Request.Url.GetComponents(UriComponents.Port, UriFormat.SafeUnescaped))) {
    serverAddress = serverAddress + ":" + HttpContext.Current.Request.Url.GetComponents(UriComponents.Port, UriFormat.SafeUnescaped);
}

answered Mar 15, 2011 at 12:35

Justin Wignall

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1 Comment

abhijit Over a year ago

Thanks a lot!! both the answer worked up voted for both thanks

Bill the Lizard · Accepted Answer · 2012-06-03 13:15:47Z

1

string ActivationLink=Request.Url.ToString().Substring(0, Request.Url.ToString().LastIndexOf('/')) + "/Authenticate-User.aspx?emailID=" + emailfield;

edited Jun 3, 2012 at 13:15

Bill the Lizard

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answered Mar 15, 2011 at 12:37

ashish.chotalia

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2 Comments

abhijit Over a year ago

Thanks a lot!! both the answer worked up voted for both thanks

Justin Wignall Over a year ago

Just need to make sure the file generating ActivationLink is in same folder as Authenticate-User.aspx. Use Server.MapPath otherwise.

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