Your table structure is correct. You need to add a detail item when the user clicks add taking the ProductId from the user selection. This needs to be done in code, not in the UI control. Never underestimate the power of human stupidity - RAH I'm old. I know stuff - JSOP

The famous "Library Management" assignment (vs The Hospital Management System). (Couldn't find the "PUBS" database ... but I'm sure it's somewhere). [Library Management using ASP.Net MVC (Part 1) Books CRUD Function – alexcodetuts](https://alexcodetuts.com/2017/12/10/library-management-using-asp-net-mvc-part-1/) It was only in wine that he laid down no limit for himself, but he did not allow himself to be confused by it. ― Confucian Analects: Rules of Confucius about his food

Hi Sanket, If you are looking for a way to check how your website looks in different browsers (including mobile), checkout https://dev.windows.com/en-us/microsoft-edge/tools/screenshots/[^] and enter the public version of your web address. Also, you can load your webapp in mobile browser to test it. If you don't have the required device, you can install the Visual Studio Community Edition (FREE)[^] and try directly in the emulator. Hope this helps. Vote up or Mark as Answered, if this information helped you. Kind Regards - Kunal Chowdhury, Windows Platform Development MVP Technical blog: http://www.kunal-chowdhury.com

A quick search found this[^] article here on CodeProject. Chill _Maxxx_ CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

Please don't cross post questions. Chill _Maxxx_ CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

Well, to handle the image management and display, I'd use the techniques I wrote about in this[^] article. Chill _Maxxx_ CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

try key down event of your grid. and if this not working, then show your code and r&d

Please don't cross post. You'll just succeed in annoying the regulars. I was brought up to respect my elders. I don't respect many people nowadays. CodeStash - Online Snippet Management | My blog | MoXAML PowerToys | Mole 2010 - debugging made easier

Help you with what? You haven't asked a question. All you did was provide a short list of what you want to do with insufficient detail about the platform you're using, specifications on the size of the data sets you're dealing with, which grid control you're using, blah, blah, blah, ... So, given the complete lack of detail in your question, the only answer anyone can give you right now is, "Permission granted! Please, proceed." A guide to posting questions on CodeProject[^] Dave Kreskowiak

Please give some more detail. We cannot see your screen so it is impossible to guess what your problem may be. Use the best guess