Messagebox in asp.net

Question

I need a simple messagebox in asp.net, I tried the following code.

Me.Page.ClientScript.RegisterStartupScript(Me.GetType(), "clientScript","<script>javascript:alert('Guest already associated with 
another event');</script>")

but I had no luck. Actually I have a dropdownlist which is in a updatepanel it should throw an error message via a MessageBox. I don't know why javascript not working. Is there any other way by which we could show an simple error message in MessageBox.

When do u want to see that alert? After clicking a button or selecting an item in dropdown — Kemal Can Kara
– Kemal Can Kara, Commented Dec 1, 2011 at 8:55
looks similar to stackoverflow.com/questions/1782847/simple-asp-net-messagebox — coolcake
– coolcake, Commented Dec 1, 2011 at 8:58

Prince Antony G · Accepted Answer · 2011-12-01 09:10:27Z

6

 static public void DisplayMessage(Control page, string msg)
{
    string myScript = String.Format("alert('{0}');", msg);

    ScriptManager.RegisterStartupScript(page, page.GetType(), "MyScript", myScript, true);
}



 DisplayMessage(this, "Guest already associated with another event");

answered Dec 1, 2011 at 9:10

Prince Antony G

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1 Comment

codegasm Over a year ago

The best method I found till date!

CloudyMarble · Accepted Answer · 2011-12-01 08:56:01Z

0

try:

private void MessageboxAnzeigen(string content){
  string Script 
  = "<script type=\"text/javascript\">alert('"
  + content
  + "')</script>";
  RegisterClientScriptBlock("WindowOpener", Script);
 }

answered Dec 1, 2011 at 8:56

CloudyMarble

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Sai Kalyan Kumar Akshinthala · Accepted Answer · 2011-12-01 08:57:57Z

0

See this user control which will help you MessageBox Usercontrol with ASP.net

answered Dec 1, 2011 at 8:57

Sai Kalyan Kumar Akshinthala

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Ali Foroughi · Accepted Answer · 2011-12-01 09:01:47Z

0

use this simple way

protected string Alert = "";
page_load(sender e ...)
{

     Alert ="<script>alert('hi');</script>";

}

and in your aspx file use this code to alert a message

<%= Alert %>

answered Dec 1, 2011 at 9:01

Ali Foroughi

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andoni90 · Accepted Answer · 2012-05-02 11:10:39Z

0

Easier:

MsgBox("Text")

Or:

MsgBox("Text", 0, "Title")

0 is the number of buttons (0 is 1, 1 is 2...)

answered May 2, 2012 at 11:10

andoni90

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