Alert Message Box From Code Behind

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Hi all. I have a webpage with an email function. Everything works but once the email has been sent, I want an alert box to appear after the user clicks submit and the email has been successfully sent...How can i accomplish this? i tried using this code...

C#

string cleanMessage = messagge.Replace("'", "\\'");
string script = "<script type=\"text/javascript\">alert('" + cleanMessage + "');</script>";

Page page = HttpContext.Current.CurrentHandler as Page;

if (page != null && !page.ClientScript.IsClientScriptBlockRegistered("alert"))
        {
         page.ClientScript.RegisterClientScriptBlock(page.GetType(), "alert", script);
        }

but no alert box appaers. Any help would be much appreciated, thanking you in advance.

Posted 7-Feb-13 21:45pm

Ruwaldo

Updated 7-Feb-13 22:03pm

Orcun Iyigun

v2

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3 solutions

Solution 4

This code will help you show a client sided messagebox.

C#

private void MessageBox(string msg)
{
   Page.Controls.Add(new LiteralControl("<script language='javascript'> window.alert('" + msg.Replace("'", "\\'") + "')</script>"));
}

You can use after your email send process such as;
example usage

C#

SmtpClient _Mail = new SmtpClient();
Mail.Send(mailMessage);
MessageBox("Email has been sent successfully.");

Good luck,
OI

Posted 7-Feb-13 22:01pm

Orcun Iyigun

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swapymore_01 · Accepted Answer · 2013-02-07T21:57:00

Write this

C#

StringBuilder result = new StringBuilder();
            result.Append("<script type="\"text/javascript\"">  {");
            result.Append("alert('" + cleanMessage + "');}            result.Append("script>");
            ClientScript.RegisterClientScriptBlock(this.GetType(), "result", result.ToString());

Sunil Kumar Pandab · Accepted Answer · 2013-02-07T21:59:00

Solution 3

Try this one

C#

Response.Write(@"<script language='javascript'>alert('Mail sent successfully.');</script>");

Or, if you are using Update panel then try this one..

C#

ScriptManager.RegisterStartupScript(this, GetType(), "startprocesskey", "alert('Mail sent successfully.')", true);

Posted 7-Feb-13 21:59pm

Sunil Kumar Pandab

Updated 7-Feb-13 22:02pm

v2

Comments

Ruwaldo 8-Feb-13 4:31am

Thanks your second suggestion works perfectly