JohnDove

I'm confused about how to link my app to an Access database - there seems to be a number of approaches. I can add in my database via the Data Sources tab. Fine if I want to bind controls and view/edit data. But is this the best approach for queries …

I'd like to use data from a text flat-file in my VB app. I have a data dictionary that describes the content of the flat-file. The challenge is that the flat-file structure may change in future (with an associated change in the data dictionary). Not frequently but every 6 months …

I have a huge amount of data in flat-file format that I would like to validate with Visual Basic 2010. Basically the data is a text file with 300 comma separated fields and 500,000 records. Any tips, sample code or examples? Are any .NET classes specifically geared for data validation? …

Part of the app I am writing allows users to create an encrypted, password-protected output file that they can email safely to a central store. I can't have the users choose their own password for the encryption as the central store needs to access the contents of all the output …

My vb 2008 app uses Excel, but only briefly. Can I avoid referencing the Interop library Microsoft.Office.Interop,Excel?? Is there another way to link to Excel? In terms of its dealings with Excel, my app does little more than open a workbook and shade some cells. Many thanks

I'm a real newbie to ASP, I'm afraid. I have a windows app that I have written in Visual Basic 2008 using Visual Studio. Could I use ASP.NET to move the app's functionality to be available over the internet? Broadly speaking, the app collects lots of data from the user, …

My vb app uses an icon which is 128x128, which looks fine on the desktop. But when viewed in a folder with View set to Extra Large Icons its size doesn't change - it is too small (smaller than 128x128). Any ideas how I can rectify this?

I want to get rid of the "publisher could not be verified..." warning messages that users get when they run my Visual Basic 2008 application, after downloading it from my website. How do I digitally sign it to my company name? My website has a secure area (i.e. SSL certificate). …

When users run my vb2008 executable they get the windows security message "The published could not be published. Are you sure you want to run this software?" Is there any way to get rid of this message when users run my app? Or do individual users need to change their …

I've written an app in VB2008 using a Windows Vista laptop. My problem is that when I run the app on my XP desktop, the fonts look a little blurry/blocky. I've attached 2 screenshots (which don't really capture the issue too well unfortunately). The 'Vista' screenshot is the one I …

I have written a vb.net application using Visual Basic 2008 Express which has the following references listed in its Properties>References: [LIST] [*]System (c:\windows\Microsoft.NET\v2.0.50727\System.dll) [*]System.Drawing (c:\windows\Microsoft.NET\v2.0.50727\System.Drawing.dll) [*]System.Windows.Forms (c:\windows\Microsoft.NET\v2.0.50727\System.Windows.Forms.dll) [*]System.Xml (c:\windows\Microsoft.NET\v2.0.50727\System.Xml.dll) [/LIST] These references seem fairly standard and I notice that they are from version 2 of the .net framework even though …