Zenab's Tech Blog.Net

tag:blogger.com,1999:blog-8305515816219940548Sun, 22 Jun 2025 14:29:51 +0000ASP.NET 2.0ADO.NET Entity FrameworkAJAXC#IIS7LINQc# Language specificationADO.NETAPIsCaching in ASP.NETCommandsDataRowDesign PatternsFormsAuthenticationGDI+Global.asaxHttpHandlersIIS5/6IntelligenciaLegacy CodeMSNMVVMMonoPInvokeSEOSecuritySitemapThreadingUrlRewriterWPFWindow Workflow foundationWorkflowasmxiphone developmentiphone.Monojsonweb.config httpmodules visual studioZenab's Tech Blog.NetC#.Net 2.0,Visual Studio.net ,J2ME SQL Server 2000/2005http://csharpgurus.blogspot.com/noreply@blogger.com (Zenab)Blogger31125tag:blogger.com,1999:blog-8305515816219940548.post-7552179285588316028Tue, 04 Jun 2013 17:19:00 +00002013-06-05T02:00:55.824-07:00CommandsMVVMWPFConfiguring Commands and attaching to the Keyboard and Mouse events in Windows Presenation Foundation. Commands: In WPF world, Commands are excuted on events triggered by mouse or keyboard. They are a loosely coupled way to bind the UI to the logic that performs http://csharpgurus.blogspot.com/2013/06/configuring-commands-and-attaching-to.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-4261147274596713005Wed, 22 Feb 2012 23:09:00 +00002012-02-22T15:09:20.692-08:00Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data ...Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and http://csharpgurus.blogspot.com/2012/02/invalid-postback-or-callback-argument.htmlnoreply@blogger.com (Zenab)1tag:blogger.com,1999:blog-8305515816219940548.post-6182517807697250070Tue, 08 Nov 2011 10:44:00 +00002011-11-08T02:44:02.248-08:00Zenab's Tech Blog.Net: ASMX web service is not returning JSON data in IIS...Zenab's Tech Blog.Net: ASMX web service is not returning JSON data in IIS...: This code was perfectly working and returning json data when was being called from Jquery in IIS 5-6.However when it was deployed to IIS7, ...http://csharpgurus.blogspot.com/2011/11/zenabs-tech-blognet-asmx-web-service-is.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-1871931182581009014Tue, 11 Oct 2011 09:18:00 +00002011-10-11T02:41:56.056-07:00asmxIIS7jsonASMX web service is not returning JSON data in IIS7 This code was perfectly working and returning json data when was being called from Jquery in IIS 5-6.However when it was deployed to IIS7, it was constantly returning xml response.   .csharpcode, .csharpcode pre { font-size: small; color: black; font-family: Consolas, "Courier New", Courier, Monospace; background-color: #ffffff; /*white-space: pre;*/ } .csharpcode pre { margin: http://csharpgurus.blogspot.com/2011/07/asmx-web-service-is-not-returning-json.htmlnoreply@blogger.com (Zenab)3tag:blogger.com,1999:blog-8305515816219940548.post-5941859794791996082Thu, 09 Jun 2011 23:03:00 +00002011-10-11T02:12:14.705-07:00ASP.NET 2.0IIS7SEOHTTP Error 404.11 - Not Found The request filtering module is configured to deny a request that contains a double escape sequence.IIS7   <system.webServer> <security> <requestFiltering allowDoubleEscaping="true"> </requestFiltering> </security> </system.webserver> If your SEO friendly URL contains special characters as + or - and running under IIS7 , you 'll get this error.   to solve this issue  , set allowDoubleEscaping http://csharpgurus.blogspot.com/2011/06/http-error-40411-not-found-request.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-2444579894013514005Thu, 10 Feb 2011 23:57:00 +00002011-02-11T06:41:23.542-08:00ASP.NET 2.0IIS5/6IntelligenciaUrlRewriterIntelligencia UrlRewriter and 404 page not found ErrorIf you are getting this Error with Intelligencia.UrlRewriter and IIS 5/6,Follow these simple steps.  1-Run->inetmgr. 2-Select web site you are working on. 3-Right click on it and select properties. 4-Click on "Configuration" button . Now we need to tell IIS that aspnet_isapi.dll   should also execute those pages which has no aspx extension. 5-From Application Mapping tab , click http://csharpgurus.blogspot.com/2011/02/intelligencia-urlrewriter-and-404-page.htmlnoreply@blogger.com (Zenab)3tag:blogger.com,1999:blog-8305515816219940548.post-4532602339336853080Wed, 13 Oct 2010 00:20:00 +00002011-10-11T02:20:35.862-07:00fix for The state information is invalid for this page and might be corrupted ErrorThis error suggests that  the Viewstate information between postback are not same after first postback so when you click on a page's any server control , it will give this error. Problem :You might have embedded a page which contains "runat= "server"  within a Masterpage. For example f you have a placed jquery tabs in master page and jquery tabs pointing to an aspx page with &nbsphttp://csharpgurus.blogspot.com/2010/10/fix-for-state-information-is-invalid.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-7365233672773843159Fri, 08 Oct 2010 21:09:00 +00002010-10-08T14:09:09.596-07:00Fix for URL Rewriting With Intelligencia dll and IIS 5.1 Problem     <!-- /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0in; margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman";} @page Section1 {size:8.5in 11.0in; margin:http://csharpgurus.blogspot.com/2009/04/detecting-and-recording-key-strokes-in.htmlnoreply@blogger.com (Zenab)3tag:blogger.com,1999:blog-8305515816219940548.post-4162351573336905558Tue, 24 Mar 2009 13:27:00 +00002009-04-15T12:33:13.608-07:00Caching in ASP.NETImplementing Fragment caching in ASP.NET 2.0Caching in ASP.Net world means to store whole rendered html page or data e.g dataset or a part of page such as controls in server's memory for specific period of time and that cached items would be accessed for short period of time without executing code to process same data or page again. Whole idea behind this is to minimize the execution of code to do same task on consecutive clicks by one orhttp://csharpgurus.blogspot.com/2009/03/implementing-fragment-caching-in-aspnet.htmlnoreply@blogger.com (Zenab)1tag:blogger.com,1999:blog-8305515816219940548.post-2048933275343368133Mon, 16 Mar 2009 13:23:00 +00002009-03-17T04:10:30.813-07:00ASP.NET 2.0GDI+Code for creating PieChart in ASP.NET 2.0GDI+ is great innovation in .NET and it is not limited to desktop applications , you can also use it in ASP.net pages.Here in example code is used to draw a pie chart in asp.net web page using GDI+ Classes of drawings.Import all Drawings name spaces.using System.Drawing.Drawing2D;using System.Drawing;using System.Drawing.Design;using System.Drawing.Imaging;using System.Drawing.Text;Since to http://csharpgurus.blogspot.com/2009/03/code-for-creating-piechart-in-aspnet-20.htmlnoreply@blogger.com (Zenab)1tag:blogger.com,1999:blog-8305515816219940548.post-5856012331586114583Mon, 09 Mar 2009 16:20:00 +00002009-04-15T12:33:37.926-07:00SitemapAdding a Sitemap to ASP.Net applicationIt is always a good practice to implement some navigation system for a website that has more than one web page.ASP.net implements various navigation controls includingSitemappath ,TreeView,Menu.All these three controls use SiteMapDataSource which fetchs data from either xml file called web.sitemap through xmlSiteMapProvider or from database through custom sitemap provider.Implement a Sitemap withhttp://csharpgurus.blogspot.com/2009/03/adding-sitemap-to-aspnet-application.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-1350867569555691434Thu, 05 Mar 2009 20:01:00 +00002009-03-06T08:57:13.967-08:00ASP.NET 2.0c# Language specificationBest C# and .net framework 2.0 book for professionals and beginnersOn the left side of the blog i ve given some books list.http://csharpgurus.blogspot.com/2009/03/best-c-and-netframework-20-book-for.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-9127988473242276795Mon, 02 Mar 2009 15:07:00 +00002009-03-05T11:44:02.289-08:00ASP.NET 2.0Design PatternsModel View Controller MVC in ASP.NET 2.0Model View Controller MVC is a design pattern that is practiced in asp.net particularly to separate Data Access layer,Business Logic layer and presenatation layer.In MVC , Model is data ,Data access classes, Controller is business logic classes and View is classes,control, pages that represent data to view in differnt ways.It is Controller who pass and get data netween View and Model.In Viiusualhttp://csharpgurus.blogspot.com/2009/03/model-view-controller-mvc-in-aspnet-20.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-7465606538555439537Wed, 25 Feb 2009 10:49:00 +00002009-04-15T12:34:01.900-07:00HttpHandlersHTTP Handlers and HTTP ModulesEvery web request to an asp.net application is handledby http handlers.httphandlers are classes that are designated to process webrequest. There are separate handlers for each URL request.It means .aspx, .asmx file extensions are handled by different httphandlers.For example to request an asp.net page which has .aspx extension, request is handled by pagehandler,System.Web.UI.PageHandlerFactory http://csharpgurus.blogspot.com/2009/02/http-handlers-and-http-modules.htmlnoreply@blogger.com (Zenab)0tag:blogger.com,1999:blog-8305515816219940548.post-4722585513173643212Mon, 23 Feb 2009 11:12:00 +00002009-02-23T03:34:22.126-08:00ADO.NET Entity FrameworkADO.NET ENTITY framework toolsif you are using Viusal studio 2008 , .NET 3.5 is included in Viusal studio 2008. Other requirements are following..Net 3.5 framework.ADO.NET Entity framework beta 3The ADO.Net Entity Framework Tools Dec 07 CTP tools(EFToolsSetupX86.exe)The third one is actually a tool for creating entities from database through wizard and using visual designer to map entities with database objects.http://csharpgurus.blogspot.com/2009/02/adonet-entity-framework-tools.htmlnoreply@blogger.com (Zenab)0