.NET 7 Blazor 🔥 New & Improved Data Binding

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Table of Contents:
00:00 .NET 7 Blazor 🔥 New & Improved Data Binding
01:04 Create the Blazor WebAssembly Project
03:50 Add a New Controller Method
05:56 First Changes on the Client
07:56 Implement the "old" way
09:27 Use the new "after" modifier
11:18 New "get" & "set" modifiers in action

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#NET7 #Blazor #PatrickGod

[CRBarchager]

The @bind:after and @bind:event sure makes it easier to read than what we had before like @oninput="@(EventCallback.Factory.CreateBinder<string>(this, newValue => MyMethod(newValue), string.Empty))"

[modx]

I really look forward to these new features because currently I have to do a lot of work-arounds e.g. call methods in setter-methods in order to get a similar functionality without too much effort. I am using MudBlazor and if you want to listen to change-Events (e.g. disable buttons when select-input changes) you have to override the "bind-value"-property (because that calls on-value-changed as well) and handle all the logic yourself which is pretty tedious and kinda unnecessary.

[Faygris]

I remember having to deal with the old binding mechanics two years ago, barely getting it to work and it felt like a mess
Now I'm back to Blazor, and just at the perfect time it seems. This works like a charm. Thank you!

[xamarinmaster]

I really want to use Blazor WASM in production, but it can’t allocate large chunks of memory. You receive a runtime exception that, I believe, has existed for years in mono.

[fonskeee]

Maybe its because of a new update or something but
his doesnt work with a eventcallback, i used a Action instead and called InvokeAsync(StateHasChanged) manauly to update the table

[neralem]

What about real multithreading in .net 7 Blazor WASM? Do we get it finally??

[androidsavior]

How to make it send only one request when we finish typing?

[grumpydeveloper]

Usually it is a good idea *not* to call the method on every input but use a debounce to only call the method after you stop typing. Otherwise you will be doing a lot of useless api calls.

[shanmukhapatil]

Hi,

Could you please a make a video on blazor empty solutions and create a layout and use it(please create a custom layout)

[_simoncurtis]

Amazing!! Shame we only upgrade to LTS 🙁 gotta wait till .net8

[philibertande]

In the production ready version of NET7 AT THIS END OF THE YEAR THIS DOES NOT WORK.

[brentdar]

If someone has a problem with @bind:after="Search" where it gives an error. Use these package references instead. [Sorry for bad, pronunciation, am not a native speaker of English]
<PackageReference Version="7.0.0-rc.2.22476.2" />
<PackageReference Version="7.0.0-rc.2.22476.2" PrivateAssets="all" />

[tajudeensalaudeen]

Hello, Thanks for the wonderful tutorial. I drop a message for you on Twitter and email Please respond accordingly