How to show / display a message box in C # asp.net form?

Question

I want to add / show a message with an OK button in C # asp.net without using the windows.forms namespace.

Answer 1

Using:

string display = "Pop-up!"; ClientScript.RegisterStartupScript(this.GetType(), "yourMessage", "alert('" + display + "');", true); 

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YES OR NO MessageBox

Buttons, message box, and Confirmation check box in ASP.NET 3.5

The easiest way to make a message box with the ok button?

How to show MessageBox in ASP.NET (CSASPNETMessageBox)

Answer 2

Ext JS got good scripts in the message box, check this out, this will help you Ext JS MessageBox Dialogs

Answer 3

public void Message (String msg)

 { string script = "window.onload = function(){ alert('"; script += msg; script += "');"; script += "window.location = '"; script += "'; }"; ClientScript.RegisterStartupScript(this.GetType(), "Redirect", script, true); }