i've installed windows phone SDK and i don't understand why it only give me Windows Phone OS 7 and OS 7.1 since there is 7.5, is that SDK OS or WP OS?
and is it possible to write WP application using VB.NET?
which one better for WP, C# or VB.NET?
I have an Access Data table with three fields (date, tippingB, and precip). I am using dataGridView to view this table and make changes. The third field in the table (precip) is dependent on second field (tippingB). I was wondering if there is a way to use a formula in the field so that when I put a number in the second field, third field automatically gets updated. The last step of the code is updating the access table in the access database (that works so far).
So, my question is if one could use a formula for a column in a dataGridView and also bind it to the dataTable so that when update command is used, the database gets updated.
Interesting thought however, the file also contains a [Runtime] section as well as (possible multiple) [Task.1] and [Data.1] sections (which contain different data and tags depending on the job). If the file was just a CSV file then it would be easy to implement your idea however, in light of the extra data in the file; im not sure how this would work.
You could create a plugin to parse a section; load all plugins at startup, read a section, switch to the plugin that knows how to read/parse that section, and move on to the next one (until you run out of sections).
It'll probably take some experimenting to get it right, but it would allow you to create new plugins when sections change or get added. It should also make it easier to maintain the code in the long-run; you could write even test-scripts for each plugin/section.
We have programs in VB6, VB.Net 2005, 2008 and 2010.
Some of the VB.Net programs were converted from VB6 using the VB.Net converter (Just open the VB6 project).
All this is fine until yesterday.
We uninstalled a program written in VB.2010 via the control panel. Went fine. But now other programs, VB6, VB.Net 2005 and 2008 are having problems. Now have compile errors and reference errors.
We fixed the first. MSFLXGRD.OCX become unregistered (not deleted). Not sure why. We registered it and that fixed some problems.
I am not sure why reference to dlls in other program source bin folders were removed. Adding the reference to these fixed them.
Now in 1 of our 2008 programs we have an Undeclared MSXML2.XMLHTTP in
Dim pXMLHTTPObj As New MSXML2.XMLHTTP
This is on Win 7/64 Pro.
If we open the same programs on another machine from the same folder there are no errors. So probably another unregistered dll. (XP)
This program has a reference to
Microsoft XML, V4.0
which is in the obj\bin\debug folder (it is there) and adding it seems to have fixed that also.
I am now very fearful of uninstalling anything.
Can someone please explain what is happening and how I can safely uninstall????? PLEASE!!!!
It screws up because controls are not registered on a per-application basis. Controls are registered using the COM GUIDs in the controls and the registration is stand-alone. The controls can be used in any application anywhere.
If you have multiple copies of the same control, the control is only registered ONCE since each copy has the same GUIDs and CLSIDs. The filepath to the control is also part of the registration. So, if you have an application that uses the same controls as another application and your installer, when uninstalled, removes the registration details when it removes the controls, the registration data is destroyed for the control no matter how many copies of it are on the machine.
The problem comes down to how your installer is built. The Setup project that comes in Visual Studio is a barebones installer that doesn't have a ton of features in it and can do some pretty stupid things. If you trust it implicitly, without knowing how it's doing things or why, problems like your will come up.
I highly recommend studying Windows Installer technology (specifically Shared Components and reference counting) and using a 3rd party packaging solution, like InstallShield, InnoSetup, Advanced Installer or WiX if you want to avoid situations like this in the future.
Try Save and Close your project, then go out to the project folder and delete the *.SUO files. You'll have to enable viewing hidden files in Explorer to see it. Then reopen your project and see what happens.