If you’re about to start playing with AJAX in ASP.NET it’s a good idea to read this book: ASP.NET AJAX In Action by Alessandro Gallo, David Barkol, Rama Krishna Vavilala (see on amazon).

It very well describes basics of AJAX and shows basic and more advanced techniques of applying it in ASP.NET. There are exaplanations of Microsoft Ajax Library, UpdatePanel, …

Reporting Services – how to change font style in the toolbar of ReportViewer?

I created a report with SQL Server Reporting Services. It displayed some data and the toolbar with list of checkboxes that defined which columns should be displayed on the report (see the screenshot below). The problem was the font on the toolbar didn’t match the font on the report, i.e. it was huge in comparison to the report. In short …

Security in accessing reports on Report Server

Once you deploy reports on to Report Server they can be accessed from any Web application with an established URL. However, I see a scenario when one wants to prevent some users from accessing reports (e.g. a user should be able to view reports presenting only their personal information).

The way around this is to view reports on an aspx …

The feature name XXX already exists in SharePoint. You need to rename the feature before solution deployment can succeed.

From time to time when I try to deploy a SharePoint project from Visual Studio 2005 I’m getting this error:

The feature name XXX* already exists in SharePoint. You need to rename the feature before solution deployment can succeed.

Whenever I get this (annoying) error I go to C:Program FilesCommon FilesMicrosoft Sharedweb server extensions12TEMPLATEFEATURES and remove the directory named …

ASP.NET powered with AJAX

For those who develop web applications in ASP.NET and want to learn how to include AJAX I recommend a series of video tutorial on ASP.NET AJAX.

The series is created (from time to time new videos are added) by Joe Stagner and others from the Microsoft product team. It teaches the basic tricks and explanations of how things should be …

Parser Error Message: This page allows a limit of 200 controls, and that limit has been exceeded.

By default, web.config of SharePoint (should be there: C:InetpubwwwrootwssVirtualDirectories80) defines the maximum number of controls as 200. Should you define more on a page you’ll probably get an error similar to this:



In order to fix it, edit this web.config. Find configurationSharePointSafeMode tag and change the MaxControls attribute to a bigger number. Once you do this, reload the …

Problems with UpdatePanel on SharePoint

If you want to add some AJAX flavour to your ASPX pages running on SharePoint you need to perform a few actions:

  • install ASP.NET AJAX on servers in your farm
  • extend SharePoint web.config file with Microsoft ASP.NET AJAX
  • add ScriptManager either in the master page you’re using (prefferable) or in all pages that employ AJAX

The above listed steps are …

AJAX Control Toolkit – Could not load file or assembly vjslib

I wanted to play around with ASP.NET AJAX Control Toolkit. There are a few steps to do before you can start using this tool. Among others, you need to build the Visual Studio Solution provided in the downloaded zip file.

When I tried to build the solution I got this error:

Error 1 Could not load file or assembly ‘vjslib,