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Can I use Msgbox function in ASP.NET ?

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Join Date: Jul 2009

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Can I use Msgbox function in ASP.NET ?

Aug 29th, 2009

hi guys

I have heard that for displaying message we generally use MSGBOX function in VB.NET and
we use ScriptManager.RegisterStartscript in ASP.NET to display message box...
but I have tried to use Msgbox function in ASP.NET and it works here also...
So is it ok to use Msgbox function in websites to display message or
there are some problems or issues related to it?
If yes then pls let me know..

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Re: Can I use Msgbox function in ASP.NET ?

Aug 29th, 2009

No you can't. You need to use a client side alert() with javascript. You can read about client side events here:
http://www.eggheadcafe.com/articles/20041016.asp

Scott Knake
Custom Software Development
Apex Software, Inc.

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Re: Can I use Msgbox function in ASP.NET ?

Aug 29th, 2009

Actually here is an example with an alert on a server side control. This will cause an alert then a postback:

Page:

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 ASP.NET Syntax (Toggle Plain Text) 
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Alerter.aspx.cs" Inherits="daniweb.web.Alerter" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    	<asp:Button ID="Button1" runat="server" Text="Button" />
    </div>
    </form>
</body>
</html>
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Alerter.aspx.cs" Inherits="daniweb.web.Alerter" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    	<asp:Button ID="Button1" runat="server" Text="Button" />
    </div>
    </form>
</body>
</html>

Code behind:

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 ASP.NET Syntax (Toggle Plain Text) 
using System;
 
namespace daniweb.web
{
  public partial class Alerter : System.Web.UI.Page
  {
    protected void Page_Load(object sender, EventArgs e)
    {
      Button1.Attributes.Add("onclick", "javascript:alert('hello');");  
    }
  }
}
using System;

namespace daniweb.web
{
  public partial class Alerter : System.Web.UI.Page
  {
    protected void Page_Load(object sender, EventArgs e)
    {
      Button1.Attributes.Add("onclick", "javascript<b></b>:alert('hello');");  
    }
  }
}

Scott Knake
Custom Software Development
Apex Software, Inc.

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Re: Can I use Msgbox function in ASP.NET ?

Aug 30th, 2009

ya i know that we should use alert function to display client side script in asp.net
but
i have msgbox function in my website and when I RUN the webpage it gives no error ..it works fine... ..
I want to know will that will it problems in real time deployment..??
I my PC that page runs well with MSGBOX function... but will it cause problems in realtime when website will be deployed to SERVER?

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Re: Can I use Msgbox function in ASP.NET ?

Aug 30th, 2009

hey sknake,can u tell me one thing,that instead of writing Button1.Attributes.Add("onclick", "javascript:alert('hello');"); on button click event,Y we write it in Page Load event!

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Re: Can I use Msgbox function in ASP.NET ?

Aug 30th, 2009

•

Originally Posted by sandeep_1987

hey sknake,can u tell me one thing,that instead of writing Button1.Attributes.Add("onclick", "javascript:alert('hello');"); on button click event,Y we write it in Page Load event!

What?

Scott Knake
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Apex Software, Inc.

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Re: Can I use Msgbox function in ASP.NET ?

Aug 30th, 2009

•

Originally Posted by mania_comp

ya i know that we should use alert function to display client side script in asp.net
but
i have msgbox function in my website and when I RUN the webpage it gives no error ..it works fine... ..
I want to know will that will it problems in real time deployment..??
I my PC that page runs well with MSGBOX function... but will it cause problems in realtime when website will be deployed to SERVER?

I don't know the answer to that -- go ahead and test it out. The MsgBox() call lies in the System.VisualBasic namespace and I do my best to avoid that namespace for compatibility reasons.

Scott Knake
Custom Software Development
Apex Software, Inc.

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Re: Can I use Msgbox function in ASP.NET ?

Aug 31st, 2009

i agree with snake...

but i'm curious why do u need a feature like MessageBox..?

or there is another way but it's a long way..

Mark the thread as resolved if your problem gets resolved :)

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Re: Can I use Msgbox function in ASP.NET ?

Aug 31st, 2009

'hey sknake,can u tell me one thing,that instead of writing Button1.Attributes.Add("onclick", "javascript:alert('hello');"); on button click event,Y we write it in Page Load event! '

This is used in the form load so that the Javascript is applied to the control once the form loads, otherwise this will only be applied to the control once you click on a button , therefore you will have to click the button twice.

1. to apply the JavaScript
2. to fire the javaScript

Delphi & C# programmer deluxe...

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Re: Can I use Msgbox function in ASP.NET ?

#10

Aug 31st, 2009

The form_load event fires server side to create the page -- not when the form loads at the browser end. Its just adding a client side event to the button -- the asp:button's click event is normally server side.

Is this what you are asking?

Scott Knake
Custom Software Development
Apex Software, Inc.