Sumit Gupta

Category: VB.NET/VB

  • Self Hosted Web Service: WebServiceHost

    So today I learn about WebServiceHost. Just a normal class but it does a lot for me today. This host the web service within you Desktop/Windows Service application. i.e. you don’t need to install any Web server or other stuff, just create a Service Contract Class and use WebServiceHost to host it within your application. …

  • WPF ComboBox: DataBinding with DataTable

    Well it seems easy thing, but it took a while for me to get it working. Frankly I still don’t know why it works this way, but at least it works. With WPF I was expecting something as easy as giving DataTable object to ComboBox by it’s property and define the Data Field and Value…

  • MDI Window: C# way

    So how can we make MDI Parent and Child Window in C#. The answer I found was that there is nothing inbuilt for it. So, I have two choice, either I modify the Window class and add MDI [Multiple Document Interface] coding in them or I found a alternative interface.  It took less than 5…

  • ASP.NET: Why my cookie is not saving

    Funny, today after years I thought to finally use Cookies in one of my project. It is probably my first attempt to use Cookie in ASP.NET in last 5 yrs. WOW, that is amazing. Anyways, I just notice one thing and thought it might help any first timer, so here is the key note I…

  • WKHTMLTOPDF: A Free PDF solution

    As any other developer we often find it difficult to get a Website to print something accurately, specially when printing labels for mailing as they are outside the default print area for most browser and no client want to adjust or memorize the print setting to adjust them manually. Also it doesn’t make sense to…

  • Excel Automation Add-In for Office 64bit Check List

    After days of research, hit and trail; today I finally got a working 64bit Excel Automation Add-In. I am using Visual Studio 2010 [.NET 4.0 client profile framework].  1. Create a Project using Visual Studio Office 2010 template “Excel 2010 Add-In”. [I opt for this as I need Ribbon UI too, if you don’t need…

  • GDI+ Generic Error

    I see lot of people asking about GDI+ Generic Error. Since this is “generic” error nobody can tell what is wrong with code. So did a work around and get it working. I had this error quite a time in early days of my programming and just found same error in one of junior’s code.…