Monday, May 04, 2009

Element Binding in Silverlight 3.0

Binding control elements one with the other is a very powerful tool that can reduce writing code. Now with Silverlight 3 which is in beta this is easy. There are many examples wherein the values of a given element would depend on the setting of another control and binding elements would reduce the amount of code to be written otherwise. Although the code for the example chosen would have been very small, it could be substantial in other cases. 

This tutorial shows how to set the date on a date picker control that would display the date in a text box. Although the example by itself quite trivial, it brings out the essentials of element binding. In order to test this you need to have Visual Studio 2008 SP1 and Silverlight 3.0 installed on your machine.

Review this article on Webdotdev's web site:

Articles on earlier versions of Oracle SQL Developer

If you are interested in reading about earlier versions of Oracle SQL Developer you may want to review these articles

http://www.devshed.com/c/a/Oracle/How-to-Use-the-Oracle-SQL-Developer-Tool/3/

MS Access Queries with Oracle SQL Developer 1.2 Tool


Migrating MS Access 2003 Data using the Oracle SQL Developer 1.2

Thursday, April 30, 2009

On Automatic Payments

Lots of people suffer by this instrument devised in Hell by the master himself. It ought to be banned by law.

I have found people complaining about this in many of the forums I visit. I have suffered myself quite a lot. Never, ever agree for automatic payments, in fact for automatic anything. You loose control.

Wednesday, April 29, 2009

Can you pass a parameter to a query against a linked server?

In the cases I have studied you can. I have tested with two different drivers for the same database and I could pass parameters. I used the Openquery() method to retrieve data.

Tuesday, April 28, 2009

The how of out of browser experience in Silverlight 3.0

When you run the Silverlight application and right click on the HTML or the ASPX page you can choose the option "Install Out of Browser Silverlight...onto this computer...". You will then launch a window where you can choose to install it on the Desktop or Start Menu or both and click OK. This will leave a short cut on your Desktop (if this is what you chose). When you double click this shortcut you will launch a Silverlight Viewer(I call it so) which will display the application. It goes by the name sllauncher.exe.

What if you see that the above option is grayed out?

By default it is grayed out. You can go to the AppManifest.xml in your MyProject folder and remove the indicated commenting. After this you will see that you are capable of launching the shortcut which when activated provides the Out of browser display

How is it useful?
I am not quite sure. As a demo it is great. The shortcut, if you were to transport to another machine will not work. It's just a link and not an executable.
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