Gunnar Peipman - Programming Blog

The program w3wp.exe, with the assigned process ID, could not authenticate locally by using the target name HTTP/WEBSITENAME.

February 19, 2011January 31, 2020 Gunnar Peipman 1944 Views 11 Comments

You may face this error when you are running your development environment on virtual server where you have also configured alternate access URL-s.The full message is something like this: “The program w3wp.exe, with the assigned process ID, could not authenticate locally by using the target name HTTP/WEBSITENAME. The target name used is not valid. A target name should refer to one of the local computer names, for example, the DNS host name. Try a different target name.”

SharePoint

Could not load file or assembly CabLib or one of its dependencies

February 19, 2011March 15, 2017 Gunnar Peipman 771 Views 0 Comments

When using WSPBuilder from command line you may get the following error: “Could not load file or assembly ‘CabLib, Version=10.2.0.0, Culture=neutral, PublicKeyToken=5c838b77b53f84a0’ or one of its dependencies. An attempt was made toload a program with an incorrect format.” This error occurs if there is something wrong with CabLib.dll or if CabLib.dll doesn’t exist in same folder with WSPBuilder.

ASP.NET

5 minutes WIF: Make your ASP.NET application use test-STS

February 17, 2011September 11, 2020 Gunnar Peipman 1008 Views 0 Comments

Windows Identity Foundation (WIF) provides us with simple and dummy STS application we can use to develop our system with no actual STS in place. In this posting I will show you how to add STS support to your existing application and how to generate dummy application that plays you real STS.

SharePoint

Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. You don’t have Add and Customize Pages permissions required to perform this action.

February 13, 2011May 23, 2013 Gunnar Peipman 1187 Views 1 Comment

After deploying your solution to SharePoint anonymous and read-only users may get the following error: Web Part Error: A Web Part or Web Form Control on this Page cannot be displayed or imported. You don’t have Add and Customize Pages permissions required to perform this action. Well, this is the case that is solved by famous this-issue-is-by-design (read: you have to find your own way how to solve the problem).

SharePoint

SharePoint farm administrator have no permissions to run PowerShell commands

February 2, 2011May 23, 2013 Gunnar Peipman 860 Views 0 Comments

On SharePoint 2010 it is not enough if you are farm administrator. You still cannot run PowerShell commands sometimes. The reason is simple – your user account needs more permissions. Here’s how to add permissions.

SharePoint

Add-SPShellAdmin–user cannot exist in database

February 2, 2011May 23, 2013 Gunnar Peipman 1281 Views 1 Comment

If you try to add user to SharePoint shell administrator role you may get the following error: “Cannot add to the SharePoint_Shell_Access role of the database SharePoint_Config_. A possible cause of this error is that the account name was already added to the database as a login using a different user name than the account name.”

Books Software development

Peopleware: Productive Projects and Teams

January 30, 2011May 17, 2018 Gunnar Peipman 699 Views 1 Comment

Peopleware by Tom DeMarco and Timothy Lister is golden classic book that can be considered as mandatory reading for software

SharePoint

SharePoint 2010 installation and configuration logs

December 30, 2010May 23, 2013 Gunnar Peipman 847 Views 0 Comments

Short posting that helps me to find SharePoint 2010 setup and configuration logs easily. Taken from TechNet page Verify upgrade and review upgraded sites (SharePoint Foundation 2010).

ASP.NET

ASP.NET: Serializing and deserializing JSON objects

December 27, 2010September 11, 2020 Gunnar Peipman 648 Views 1 Comment

ASP.NET offers very easy way to serialize objects to JSON format. Also it is easy to deserialize JSON objects using same library. In this posting I will show you how to serialize and deserialize JSON objects in ASP.NET.

Stream.CopyTo() extension method

December 27, 2010December 18, 2019 Gunnar Peipman 707 Views 5 Comments

In one of my applications I needed In one of my applications I needed copy data from one stream to another. After playing with streams a little bit I wrote CopyTo() extension method to Stream class you can use to copy the contents of current stream to target stream. Here is my extension method.

ASP.NET

ASP.NET and WIF: Showing custom profile username as User.Identity.Name

December 22, 2010September 11, 2020 Gunnar Peipman 902 Views 0 Comments

I am building ASP.NET MVC application that uses external services to authenticate users. For ASP.NET users are fully authenticated when they are redirected back from external service. In system they are logically authenticated when they have created user profiles. In this posting I will show you how to force ASP.NET MVC controller actions to demand existence of custom user profiles.

ASP.NET

ASP.NET MVC: Using ProfileRequiredAttribute to restrict access to pages

December 22, 2010September 11, 2020 Gunnar Peipman 1435 Views 5 Comments

If you are using AppFabric Access Control Services to authenticate users when they log in to your community site using Live ID, Google or some other popular identity provider, you need more than AuthorizeAttribute to make sure that users can access the content that is there for authenticated users only. In this posting I will show you hot to extend the AuthorizeAttribute so users must also have user profile filled.

ASP.NET

ASP.NET: Including JavaScript libraries conditionally from CDN

December 19, 2010September 11, 2020 Gunnar Peipman 792 Views 0 Comments

When developing cloud applications it is still useful to build them so they can run also on local machine without network connection. One thing you use from CDN when in cloud and from app folder when not connected are common JavaScript libraries. In this posting I will show you how to add support for local and CDN script stores to your ASP.NET MVC web application.

ASP.NET Azure

Identifying AppFabric Access Control Service users uniquely

December 18, 2010January 31, 2020 Gunnar Peipman 625 Views 0 Comments

In my last posting about AppFabric Labs Access Control Service I described how to get your ASP.NET MVC application to

ASP.NET Azure

ASP.NET MVC 3: Using AppFabric Access Control Service to authenticate users

December 18, 2010January 31, 2020 Gunnar Peipman 876 Views 2 Comments

I had Windows Azure training this week and I tried out how easy or hard it is to get Access Control Service to work with my ASP.NET MVC 3 application. It is easy now but it was not very easy to get there. In this posting I will describe you what I did to get ASP.NET MVC 3 web application to work with Access Control Service (ACS). I will show you also some code you may find useful.

Data platform Visual Studio

Comparing and updating database schemas using Visual Studio 2010

December 14, 2010September 12, 2020 Gunnar Peipman 695 Views 3 Comments

During development it is possible that database schema changes and usually it changes are same sure to come as tax

ASP.NET Visual Studio

Deployable dependencies in Visual Studio 2010 SP1 Beta

December 13, 2010September 11, 2020 Gunnar Peipman 554 Views 0 Comments

One new feature that comes with Visual Studio 2010 SP1 Beta is support for deployment references. Deployment reference means that you can include all necessary DLL-s to deployment package so your application has all assemblies it needs to run with it in deployment package. In this posting I will show you how to use deployment dependencies.

Data platform

SSAS: Using fake dimension and scopes for dynamic ranges

December 11, 2010January 31, 2020 Gunnar Peipman 498 Views 2 Comments

In one of my BI projects I needed to find count of objects in income range. Usual solution with range dimension was useless because range where object belongs changes in time. These ranges depend on calculation that is done over incomes measure so I had really no option to use some classic solution. Thanks to SSAS forums I got my problem solved and here is the solution.

Software development