The specified string is not in the form required for an e-mail address

Anonymous User 4179 26 Aug 2014

The specified string is not in the form required for an e-mail address. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.FormatException: The specified string is not in the form required for an e-mail address.

Ask by Anonymous User

Updated 26 Aug 2014

1 Answers

Sumit Kesarwani 26 Aug 2014

Hi Pravesh,

The specified string is not in the form required for an e-mail address

The problematic code was as follows:

MailMessage objMsg = new MailMessage(regEmail.Text.ToString(), "me@mysite.com");

I fixed the issue by replacing that code with this:

MailMessage objMsg = new MailMessage();

objMsg.From = new MailAddress(regEmail.Text.ToString());

objMsg.To.Add(new MailAddress("me@mysite.com"));

It is also helpful to use a regular expression validator in your user control to make sure the address is valid, you can use the following code for asp:

<asp:RegularExpressionValidator ID="regex1" ControlToValidate="regEmail" ErrorMessage="Please enter a valid email address" ValidationExpression="^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$" ValidationGroup="regGroup" runat="server" Display="None" SetFocusOnError="True"></asp:RegularExpressionValidator>

Or if you'd prefer to validate the email in C#

public static bool IsValidEmail(String Email)
{
    if( Email != null && Email != "" )
        return Regex.IsMatch(Email, @"\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
);
    else
        return false;
}

Markdown for AI

A clean, structured version of this page for AI assistants and LLMs.

Open .md

forum

The specified string is not in the form required for an e-mail address

Can you answer this question?

1 Answers