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Posted 19 Sep 2005

Server Side MessageBox

, 19 Sep 2005
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A web (modal) messagebox without popup.

Sample Image

Sample Image


As web developers, we always need model windows. But the simplest model window that comes from JavaScript has a problem: "Popup Blockers". You can write window.showModalDialog(...) in script, but what next?

My component, a web message box is a customizable modal dialog for ASP.NET 2.0, but not a popup and not a new window. It appears at the top of all objects and hides the others, so the other controls can not be clicked.


The idea is very simple. In m control, I have some panels (<div>) and their z-indexes. I open a transparent panel at the top of all elements. So I prevent them being clicked. Then, I need a few new panels for the messagebox and some scripting and styling to show them.

The control has three events:

  • Btn1Clicked
  • Btn2Clicked
  • Btn3Clicked

Two styles:

  • msg.MessageBoxStyle.Violet
  • msg.MessageBoxStyle.Blue

And four icons:

  • msg.MessageBoxIcons.Exclamation
  • msg.MessageBoxIcons.Asteriks
  • msg.MessageBoxIcons.Question
  • msg.MessageBoxIcons.None

You can edit the visual affects by editing the InitializeIcon and InitializeStyle functions in Mbox.ascx.cs.

Using the control

Only thing you should do is add the Mbox.ascx user control and the Resources folder to your project. And then drag & drop the user control to your web form.

Add the following code to your default.aspx or whatever your file is..

protected void Page_Load(object sender, EventArgs e)
{   //bind the events to messagebox buttons...
    Mbox1.Btn1Clicked += new EventHandler(Mbox1_Btn1Clicked);
    Mbox1.Btn2Clicked += new EventHandler(Mbox1_Btn2Clicked);
void Mbox1_Btn2Clicked(object sender, EventArgs e)
    Response.Write("2nd button clicked");

void Mbox1_Btn1Clicked(object sender, EventArgs e)
    Response.Write("1st button clicked");
//Show methods and their overloads...
protected void Button1_Click(object sender, EventArgs e)
    Mbox1.Show("hede", "hodo");
protected void Button2_Click(object sender, EventArgs e)
    Mbox1.Show("My test message", "Warning", "OK", "Cancel", null);
protected void Button3_Click(object sender, EventArgs e)
    Mbox1.Show("My test message", "Warning", "OK", "Cancel", null, 
protected void Button4_Click(object sender, EventArgs e)
    Mbox1.Show("My test message", "Warning", "OK", "Cancel", "Retry", 

I will not tell you more about this message box. I told you the logic behind it. A little effort will be enough to understand the code.

Points of Interest

The next version of the product will be a window-like popup control, but of course not a popup. It will be available soon... For bug reports and suggestions, I will wait for your mails at


This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here


About the Author

Kivanc Ozuolmez
Software Developer
Netherlands Netherlands
No Biography provided

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Comments and Discussions

AnswerRe: Server-side? Pin
Anonymous27-Sep-05 17:25
memberAnonymous27-Sep-05 17:25 
AnswerRe: Server-side? Pin
Jerry Hammond14-Oct-05 4:48
memberJerry Hammond14-Oct-05 4:48 

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