Best way of displaying a Message box or Confirmation box in ASP.NET


I came across requirement for message box like everyday since around a year now, I tried jQuery plugins, JavaScripts alert but am still not sure which way would be the best way of doing it.

I want to display a message box within ASP.NET Page (well its actually sharepoint application page).

<%@ Page Language="C#" MasterPageFile="~/_layouts/abc/simple.master" Inherits="Microsoft.SharePoint.WebControls.LayoutsPageBase" %> <%@ Assembly Name="Microsoft.SharePoint.ApplicationPages, Version=, Culture=neutral, PublicKeyToken=71e9bce111e9429c"%> <%@ Import Namespace="Microsoft.SharePoint.ApplicationPages" %> <%@ Register Tagprefix="SharePoint" Namespace="Microsoft.SharePoint.WebControls" Assembly="Microsoft.SharePoint, Version=, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Register Tagprefix="Utilities" Namespace="Microsoft.SharePoint.Utilities" Assembly="Microsoft.SharePoint, Version=, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %> <%@ Import Namespace="Microsoft.SharePoint" %> <%@ Import Namespace="System" %> <script runat="server"> protected void Page_Load(object sender, EventArgs e) { string a= aa(Request.UrlReferrer.ToString()); string b= bb(Request.UrlReferrer.ToString()); mm(a, b); Uri uu= Request.UrlReferrer; if (uu!= null) Response.Redirect(uu.ToString()); System.Web.HttpContext.Current.Response.Write("alert(\"write here what you want\")"); }

Now it doesn't work but it could be some syntax error but what If I want to display a proper message box(e.g. jquery's plugin <a href="http://docs.jquery.com/UI/Dialog" rel="nofollow">http://docs.jquery.com/UI/Dialog</a> in a way that it doesn't do refresh to page) what can I do.

what am actually developing is a Custom Action for SharePoint Document Library.



Summary of what I already explained is in SharePoint 2007 I have to develop/design or use message box plugins code behind most times (server-side) e.g. in ASP.NET code behind with C#. Now I seen tens of question asking for that but non of them are actually giving a proper explanation in accordance to best practices.



You can't raise a MessageBox in the server. You must write the code so the client HTML+JS raise the alert when needed. If you need some confirmation page, you need to build the page and post the results back when the user press YES or NO


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