Sometimes you have to install an antivirus on your infrastructure or add virus detecting features to your application, then you have to test if it works… I don’t know you but I usually don’t have a virus available to test if the AV is correctly configured and I don’t want to test the system with a real virus.
So here comes EICAR Test File to... [Read More]

This one took us a couple of hours (stressful hours) to spot. We rebooted a server and the crawler stopped crawling ;)
We have two webapps published in the server, the first one is attending to the machine name, and the second (the faulty one) is attending to an alias in the dns (using a host header like “app.company.int” ). The two applic... [Read More]

This one happened today… We discovered that for the pdf files the search results pointed to the dispform.aspx instead of pointing to the file itself.
The procedure we used to fix it was:
First insert a new pdf in the site and make an incremental crawl. When the crawl finishes search for the file in the crawl log, we saw that MOSS... [Read More]

Sometimes you have to perform some kind of operations on the files the user downloads from your site, for example you might need to put a watermark on the documents or images.
In this particular case we are going to sign a pdf file to prevent users modifying the file without being noticed. This is a very useful feature when you distribute le... [Read More]

At first this was a big WTF! Here is the screen shot, pay attention to the last line of code and the values of the items being divided (13 by 0) :

While trying to modify the class PaginatedList from NerdDinner, I added that constructor and while debugging I saw the weird value in Total Pages! It seems I was dividing by 0 by mistake... [Read More]

One of the most useful features for CRUD screens that the framework (3.5 & 4.0) provides is DataAnnotations  attributes, by using them you can add metadata to your classes that describes, for example, if a field is required, the maximum length of an string and things so.
Combining that with ASP.NET Dynamic Data technologies can save a gr... [Read More]