Blazor rerender

Can i somehow make blazor rerender when property change automatically whereever property change? I don't want to add manually "StateHasChanged"

    public class Foo
    {
        private int _a;
        public int A
        {
            get => _a; set
            {
                _a = value;
                AChanged.InvokeAsync(value);
            }
        }
        public EventCallback<int> AChanged { get; set; }
    }

    public class Foo
    {
        private int _a;
        public int A
        {
            get => _a; set
            {
                _a = value;
                AChanged.InvokeAsync(value);
            }
        }
        public EventCallback<int> AChanged { get; set; }
    }

then i want to render it:

Foo = @foo.A

Foo = @foo.A

and make it automatically rerender when property "A" changed

        var _ = Task.Run(async () =>
        {
            while (true)
            {
                await Task.Delay(500);
                foo.A++;
            }
        });

        var _ = Task.Run(async () =>
        {
            while (true)
            {
                await Task.Delay(500);
                foo.A++;
            }
        });

Or maybe i need to wrap it somehow into a component? but i'm not sure if it's good idea?

Foo = <Property>@foo.A</Property>

Foo = <Property>@foo.A</Property>

C#•3y ago•

1 reply

CrosRoad95

Blazor rerender

Can i somehow make blazor rerender when property change automatically whereever property change? I don't want to add manually "StateHasChanged"

    public class Foo
    {
        private int _a;
        public int A
        {
            get => _a; set
            {
                _a = value;
                AChanged.InvokeAsync(value);
            }
        }
        public EventCallback<int> AChanged { get; set; }
    }

    public class Foo
    {
        private int _a;
        public int A
        {
            get => _a; set
            {
                _a = value;
                AChanged.InvokeAsync(value);
            }
        }
        public EventCallback<int> AChanged { get; set; }
    }

then i want to render it:

Foo = @foo.A

Foo = @foo.A

and make it automatically rerender when property "A" changed

        var _ = Task.Run(async () =>
        {
            while (true)
            {
                await Task.Delay(500);
                foo.A++;
            }
        });

        var _ = Task.Run(async () =>
        {
            while (true)
            {
                await Task.Delay(500);
                foo.A++;
            }
        });

Or maybe i need to wrap it somehow into a component? but i'm not sure if it's good idea?

Foo = <Property>@foo.A</Property>

Foo = <Property>@foo.A</Property>

Blazor rerender

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