October 2005 - Peter's Gekko

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Getting my head around HTTPheader and HTMLheader. But no favicon yet.

Thanks to the great feedback on my last post on Response.AppendHeader I'm beginning to see some light. I was indeed naive Response.AppendHeader appends a HTTP header to the response. A HTTP header indicates things like downloadable files. I was trying to manipulate an HTML header which steer the layout...

Published Mon, Oct 31 2005 4:16 PM by pvanooijen

Filed under: ASP.NET
Response.AppendHeader, Webforms and favicons

Perhaps I'm too naive on this but I'm stuck. Having turned the web upside down twice I'm still completely puzzled. In the header of an aspx page's response is some meta-information to help the browser. One of the headers can be the stylesheet to use when rendering the page. Having linked a stylesheet...

Published Mon, Oct 31 2005 11:38 AM by pvanooijen

Filed under: ASP.NET
Installing VS 2003 and VS 2005 on the same machine

Like everybody else I downloaded and installed my copy of VS 2005. Downloading took some patience but installation was a snap. Once again the Daemon tools virtual DVD drive worked flawless. Didn't burn the image to disk, I even didn't have to rename the image file . Quite unlike Geoff I did not install...

Published Mon, Oct 31 2005 4:11 AM by pvanooijen
Real world database maintenance with Red-Gate SQL compare

At this moment I'm working on an application which is based on an existing SQL server database. This database is precious as it holds a big amount of proven data as well as a large amount of proven business logic in it's stored procedures and triggers. I do not want to discuss here if that is the right...

Published Fri, Oct 28 2005 12:17 PM by pvanooijen

Filed under: Data
3 years of DotNed, C# 3.0, innovation and retirement

Yesterday Dutch user group DotNed held a meeting to celebrate it's 3d year. The main presentation was by Dennis Vroegop . <Update Dennis is not Dennis . Sorry, sorry, sorry> He had visited the PDC, blogged about it and gave a presentation on the most impressive stuff he had seen. Also Dennis has...

Published Tue, Oct 25 2005 6:42 AM by pvanooijen

Filed under: User groups and meetings
Protecting an ASP.NET page against malicious input with ValidateRequest (A potentially dangerous Request.Form value was detected)

By default ASP.NET jumps through some hoops to protect your asp.net applications against malicious user input. It does this by scanning the data post back on tags which might contain unintended markup or even script. Take a page where the users enters something like Now on postback asp.net will raise...

Published Fri, Oct 21 2005 3:02 PM by pvanooijen

Filed under: ASP.NET
Building an Excel sheet in C# the easy way

My application had to produce a worksheet for Excel. At first I took Visual Studio Tools for Office (aka Vist o ). Very very nice but it gave me a hard time in registration problems with the Office COM servers used. Fearing a deployment nightmare I took the easy classical road: just create a CSV text...

Published Thu, Oct 20 2005 4:21 PM by pvanooijen

Filed under: Coding
(Mis-) understanding dataviews and databinding

I was given a nice little Pocket PC application which worked well but took far too long to start. My first code walk through was a WTF. It was the common scenario, a well known major consulting firm producing code which demonstrated they did not quite understand what they were doing. But instead of just...

Published Thu, Oct 20 2005 3:49 PM by pvanooijen

Filed under: Coding, Data
MSDN activities in the Netherlands

In the North we were the first to have the MSDN/TechNet briefings. A couple of times a year MS organizes this to present their latest news. New was the amount of fun in the presentations. Usually you are bombarded with flashy videos on a heavy techno beat. This time we had a hilarious video on how MS...

Published Wed, Oct 12 2005 7:22 AM by pvanooijen

Filed under: ASP.NET, User groups and meetings
Is this code available in VB ?

This is a question I often get. I'm a C# guy but that is just a matter of personal preference. It's the framework not the language. Recently I thought I needed VB.NET to get COM event support working in .NET But I was wrong . So as long as I don't know every aspect and detail of C# I'll keep writing...

Published Thu, Oct 6 2005 5:31 AM by pvanooijen

Filed under: Coding
Disabling the SQL Reporting Services cache

SQL Reporting Services keeps a copy of every report rendered in its cache. Of course this is quite a performance boost when a lot of users request the same report over and over again. But in our case this cache turned against us. We have an ASP.NET app whose reports are included in the app as a bunch...

Published Wed, Oct 5 2005 2:46 PM by pvanooijen

Filed under: Data
Guessing my way through Vista 5219 (on a Tablet PC)

Last weekend I did a successful install of Vista 5219 on my old, faithful tiny tablet . This weekend I had hoped to play around with XAML-ing ink. Didn't get that far, had to do some guesswork first to get really started. First guess is the name of the OS. There are several monikers: According to the...

Published Sun, Oct 2 2005 3:41 PM by pvanooijen

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October 2005 - Peter's Gekko

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Getting my head around HTTPheader and HTMLheader. But no favicon yet.

Response.AppendHeader, Webforms and favicons

Installing VS 2003 and VS 2005 on the same machine

Real world database maintenance with Red-Gate SQL compare

3 years of DotNed, C# 3.0, innovation and retirement

Protecting an ASP.NET page against malicious input with ValidateRequest (A potentially dangerous Request.Form value was detected)

Building an Excel sheet in C# the easy way

(Mis-) understanding dataviews and databinding

MSDN activities in the Netherlands

Is this code available in VB ?

Disabling the SQL Reporting Services cache

Guessing my way through Vista 5219 (on a Tablet PC)