ASP.NET uses the global.asax to establish any global objects that your Web application uses. The .asax extension denotes an application file rather than .aspx for a page file. Each ASP.NET application can contain at most one global.asax file. The file is compiled on the first page hit to your Web… Continue reading
Suppose we have a very simple action method: it takes no parameters and just returns a string: public string MyTestMethod() { return “Test String”; } What if we would like to call this action method from javascript through Ajax and to display the value it returns? We can do it… Continue reading
Just call SetNoStore on the HttpCachePolicy object exposed through the Response object’s Cache property, as demonstrated here: <%@ Page Language=”C#” %> <html> <body> <% Response.Cache.SetNoStore (); Response.Write (DateTime.Now.ToLongTimeString ()); %> </body> </html> SetNoStore works by returning a Cache-Control: private, no-store header in the HTTP response. In this example, it prevents… Continue reading
Foreach(control ctrl in form1.controls) { If(ctrl.toSring()==”System.Web.UI.Webcontrols.Tetbox”) ((Textbox)ctrl).Text = “”; }
There may be some scenario where you may want to explicitly postback to the server using some clientside javascript. It is pretty simple to do this. ASP.NET already creates a client side javascript method as shown below to support Postbacks for the web controls: function __doPostBack(eventTarget, eventArgument) { if (!theForm.onsubmit… Continue reading
Language Integrated Query (LINQ), is a component released within the .NET 3.5 Framework. It is one of the most powerful features of .NET 3.5. It serves the purpose of querying objects. LINQ comprises a series of operators, which are used to query, filter and project data in arrays, enumerable classes,… Continue reading
SOAP (Simple Object Access Protocol) is a simple XML-based messaging protocol to let applications exchange information over HTTP. It defines a set of rules for structuring messages that can be used for simple one-way messaging but is particularly useful for performing RPC-style (Remote Procedure Call) request-response dialogues. It is not… Continue reading
ASP (Active Server Pages) and ASP.NET are both server side technologies for building web sites and web applications, ASP.NET is Managed compiled code – asp is interpreted. and ASP.net is fully Object oriented. ASP.NET has been entirely re-architected to provide a highly productive programming experience based on the .NET Framework,… Continue reading
I ran into a nasty little problem today when deploying an application using ASP.NET 4.0 Routing to my live server. The application and its Routing were working just fine on my dev machine (Windows 7 and IIS 7.5), but when I deployed (Windows 2008 R1 and IIS 7.0) Routing would… Continue reading
By using java script it can be done <script language=”JavaScript”>javascript:window.history.forward(1);</script> Or <A HREF=”PageName.htm” onclick=”javascript:location.replace(this.href); event.returnValue=false; “>No back button when you do this.</A> Or <html><head><title>Back Button Demo: Page One</title> <script> function backButtonOverride() { setTimeout(“backButtonOverrideBody()”, 1); } function backButtonOverrideBody() { try { history.forward(); } catch (e) { } setTimeout(“backButtonOverrideBody()”, 500); } </script></head><body… Continue reading