Cascading Dropdowns in .NET Core (.NET 8)

Cascading dropdowns are a very common scenario in programming. In this short video we will build one from scratch and quickly understand the fundamentals behind that.
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[@joaopaulorodriguessantos3687]

Great video, Bhrugen! Always straight to the point. Thank you!

[@DotNetMastery]

thank you for the feedback :)

[@mcartagenova]

Thanks a Lot Bhrugen, finally I made a country, state, city, 3 level dropdown

[@CyberHelp1]

Love from India Sir

[@AlmutasimAlmazidi]

Thank you Bhrugen
Is there any way to get ride of Javascript?
I know there are many component based on javascript but what I mean is there any way to don't use the ajax and use the .NET features?

[@janosterz733]

Thank you Bhrugen! Perfect video as always!

[@DotNetMastery]

Glad you liked it!

[@falcongreens2570]

Well, That is nice, can you kindly make a video about how to add/remove subcategory items to a post action?
Thanks in advance

[@MrMirceaRs]

Thx mr B..see you next time

[@sh2983]

Thank you for this tutorial. By the way, how do you have .NET 8 preview in your visual studio?

[@DotNetMastery]

I am using VS 2022 preview

[@dhirenpathak]

Great, I can wait for this tutorials

[@ratlima2438]

Thanks in advance! Thank you very much for your post, it helped me a lot.
Everything worked perfectly. But when I go to save the record, it gives an error because the value selected in the product does not remain selected until the POST is completed. This message appears "The value 'undefined' is not valid for Product".

[@shahabjoon201]

Perfect, thanks.

[@DotNetMastery]

You're welcome!

[@abdullahjan87]

Sir kindly create a video on uploading word and excel file and retrieve, edit, delete data in them.

[@mandlaenkosihlatshwayo2684]

Why cant I use the blazor app instead of mvc and scaffold the razor components using Entity Framework (CRUD)? It just keeps on returning the Id as a number and not a dropdown referenced from another table....smh

[@mahmoudkhater157]

How can I Add the price of the product in the home page after selecting the Category and choose my Product as just a view for the user to know the price of this product immediately

[@marjuneabregana3544]

Sir may I ask if where did I go wrong because I use different Model region and provinces but when I select the region, in the province dropdown it shows un defined

[@aparnak1212]

Thanks a million !

[@10Totti]

Thanks!
Tutorial for new Blazor ?

[@BDTopEducation]

Please create a post method also

[@nnasim5089]

Thankyou for the video

[@DotNetMastery]

your welcome :)

[@ar2noo]

I already purchased this course but where is the cascading dropdown topic Sir? please guide me and redirect me to the link. By the way.. any link that can show me how to create three level of cascading dropdown?
for example:
country ---> City ----> post code
Thank you very much..

[@DotNetMastery]

it would be exactly similar you only have to add one more level, like i show in the video.

[@rajesharekallu3052]

sir plz can share radio button and check boxes

[@Aman-x5g]

Great

[@harikanilla8969]

But in my case in the dropdown of CategoryId its showing numbers(2,3,4) instead of the name of categories. How to fix that?

[@DotNetMastery]

you should pass name to the value field. you might have passed id

[@KemTech1]

How can I do this for Razor Pages?

[@oldcrackful]

Great !! Thanks a lot

[@DotNetMastery]

You are welcome!

[@rehmanmustafa3535]

hi i am trying to do this in identity register rezor page, but i am confused, because there is not controller so how can i give url?

[@DotNetMastery]

you can add API controllers to razor pages project as well

[@krishramakrishna9567]

how to bind data to dropdown in asp,net core using page load event

[@emmanuelmulwa1620]

could we get the github link please?
🙂

[@mcartagenova]

Hi Bhrugen, as always great class but it in my code always answer me undefined in the second dropdown even usind the same field names

[@mcartagenova]

NeverMind... MY MISTAKE

[@followerofchrist1984]

@@mcartagenova How did you solve it? I spent the whole day I cannot see where my mistake is.

[@followerofchrist1984]

I get undefined on the second dropdown

[@technoinfoys1435]

issue in creating product