Fixing SelfSSL issues using SSL Diagnostics

By , October 21, 2009 4:40 pm

I have been using SelfSSL tool from The IIS Resource Kit to test ASP.NET HTTPS connectivity for some time now, but suddenly the connection refused to work. Checking IIS settings (ports, certificates etc.) showed that everything was A-OK. And yet pages were not displayed. And then a beautiful utility came to the rescue. Continue reading 'Fixing SelfSSL issues using SSL Diagnostics'»

Visual Studio 2003 hangs trying open ASP.NET project from Visual SourceSafe

By , October 20, 2009 10:21 am

If you still use Visual Studio .NET 2003 (I still do for some older .NET 1.1 projects) you may experience following situation:

  1. You have an ASP.NET Web project that is controlled by Visual SourceSafe
  2. While opening the project Visual Studio 2003 hangs, stops responding to mouse clicks and keystrokes.

Fortunately there is a quick fix to that.
Continue reading 'Visual Studio 2003 hangs trying open ASP.NET project from Visual SourceSafe'»

Javascript: Keeping popup window always on top

By , October 18, 2009 6:02 pm

I was looking for a solution  (that does not involve proprietary modal dialogs) that would allow to open a popup window in JavaScript and keep it “always on top” of the opener, meaning – when user clicks outside of the popup – the popup retakes focus.
Commonly suggested solution:

<body onblur="this.focus()">

didn’t work for me since I have a form in that popup with input fields and the moment user clicks a field, popup itself loses focus, retakes it right away and user is unable to enter any data.
Fortunately I found an ingenious solution by Jim Allen that involves combination of timer-activated focus that in the same time is controlled by form’s input controls. That sounds complicated 🙂 but in fact is just a few lines of code. Check it out!

Infragistics UltraWebTab: Accessing Tab Separator in client-side JavaScript

By , October 14, 2009 1:08 pm

I am using Infragistics UltraWebTab and needed to hide a tab and a tab separator located next to it using client-side JavaScript.  Hiding tab is pretty trivial. Assuming we gave it a key:

<igtab:Tab Key="MyTab" Text="My tab">

The code to hide the tab is:

var uwTabControl = igtab_getTabById('xuwMyTabControl');
var tab = uwTabControl.tabFromKey('MyTab');
tab.setVisible(false);

I tried to access separator in the same way but it didn’t work. You can assign it a key, but “fromKey” method works only server-side for separators. Using client-side Tabs array of UltraWebTab didn’t work either – it contains only actual tabs, not separators. But turned out you can access the separator using a little DOM and HTML
Continue reading 'Infragistics UltraWebTab: Accessing Tab Separator in client-side JavaScript'»

Postback disabled/readonly Textbox that was modified in JavaScript

By , October 9, 2009 4:56 pm

Let’s say in your ASP.NET application you set a TextBox control’s property ReadOnly to True (or Enabled to False) to prevent user from entering data directly. But you still want to update that text box’s value via client-side JavaScript. Which is happening, the value can be updated.  But during postback to the server – surprise, surprise! – the new value doesn’t persist. This is due to security precaution – if the value wasn’t meant to be changed – the change is not allowed. But there is a way around this.

Continue reading 'Postback disabled/readonly Textbox that was modified in JavaScript'»

I am using Linux now. Am I cool yet? Please, please tell me, I am!

By , October 2, 2009 1:58 pm

When evaluation period of Windows version that I ran on our home server expired, I decided to give Ubuntu a try. And I couldn’t be happier – everything from multimedia and file sharing to Remote Desktop over SSH (pictured below) is amazingly easy.

Ubuntu in VNC over SSH from Windows Desktop

So, at least for now it stays. We will see.

Method ‘System.Object CompareObjectEqual(System.Object, System.Object, Boolean)’ has no supported translation to SQL. Solution to error

By , October 1, 2009 2:15 pm

I was running a basic LINQ 2 SQL statement:

From role In db.user_role _
Where role.USER_ID = Session("user_id") Select role

when I encountered following error message:

Method ‘System.Object CompareObjectEqual(System.Object, System.Object, Boolean)’ has no supported translation to SQL.

After a little research I found the solution.
Continue reading 'Method ‘System.Object CompareObjectEqual(System.Object, System.Object, Boolean)’ has no supported translation to SQL. Solution to error'»

Resize IFRAME after content has been resized

By , September 30, 2009 3:15 pm

There’re many articles out there describing how to resize IFRAME to fit its content height to avoid nasty scrollbars. They correctly suggest to catch “onload” event which fires when content has been loaded and set IFRAME’s height to content height. Here is code example (I am using Microsoft AJAX to attach handler for “onload” event, but you can use any method you like):

// oIframe object contains reference to the IFRAME element
// adding event handler that will run when iframe content is loaded
$addHandler(oIframe, "load", iframeContentLoaded);

//this event fires when IFRAME content is loaded
function iframeContentLoaded() {
   this.style.height = this.contentWindow.document.body.offsetHeight+'px'
}

This approach works if content stays static after loading from the server. But in many cases client-side JavaScript kicks to resize content or some user interaction changes content height. Since the page already loaded, simple “onload” doesn’t work.
Continue reading 'Resize IFRAME after content has been resized'»

GLADINET: Cloud storage on your desktop

By , August 20, 2009 12:24 pm

Gladinet released a very cool Windows client that allows you to mount online storage spaces from different providers (like Amazon, Google, Microsoft) as an ordinary desktop drive.

I tried it with Microsoft’s own SkyDrive (did I mention that they offer 25Gb of storage space for free?)

and it works like magic.

Now who couldn’t use 25Gb of storage space always available from anywhere in the world?

Solution for ASPNETCOMPILER ASPRUNTIME error: Object reference not set to an instance of an object

By , August 17, 2009 3:12 pm

If you’re using Web Deployment project and during build getting errror “Object reference not set to an instance of an object” error from ASPNETCOMPILER, check the BIN folder of the project you’re compiling. Chances are, there’re some *.compiled files there. Remove them and your deployment will go thru.

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