Custom Validation Attribute in .NET core

[@bl7937]

Thank you Bhrugen, I was actually looking on UA-cam for this

[@BitcoinBabu369]

Thank you Praveen bro 👍

[@ronchennai]

awesome explanation, thanks.

[@Kent-gg5bl]

Yes, but how do you make the array that is in the UserProfile dynamic? If you add an array property in the UserProfile class and a constructor that accepts an array. Then you create an instance of UserProfile in your form and pass in the dynamic array from there. The attempt to pass that array into the validator here it doesn't work. An object reference is required for the non-static field, method, or property. Is there a way to do this?

[@jowbloe4700]

I need to Validate a grid cell based on an Attribute(class level) in WPF.

[@Brianboy9494]

So, is this just about .NET core or also later versions of .NET? I find this confusing about many videos that cite '.NET core' in their titles.

[@DotNetMastery]

it applies to later versions of .NET as well

[@omarabdelrahim413]

That is very helpful, but how i can validate the pdf file is readable, and any file should has a content/not empty file.

[@nishant07kumar]

is there any bootcamp course with .Net API and Angular also in development on UA-cam or Udemy, similar to react one?

[@attilaguba856]

Nice one! I like all your videos you have great explanations! Could you make a video how can make an input field for digital signature what user can give on touchscreen and store it in SQL Server ?! And Google authentication !?

[@lakshithakanchana6155]

Great tutorial.

[@ashivamma4109]

Hi sir, how can we export the UI data to exel file in asp.net core can you provide any video

[@ashivamma4109]

Can you suggest me how can I do that

[@ErisPorty]

Thank you!

[@YBXtreminal]

It does not working

[@abdurrahmannoori5253]

thank you sir.

[@10Totti]

Thanks!

[@luisfernandodeolazabalsche3317]

😁😄😃😀