Blazor.WebForm.Components

ASP.NET Web Forms System.Web.UI.WebControls Razor Components For Blazor WebAssembly, Blazor Hybrid, Blazor Server.

Demo: https://blazorwebformdemo.github.io/

@using System.Web.UI
@using System.Web.UI.WebControls
@page "/fetchdata-gridview"
@inherits ControlComponent
@inject HttpClient Http


    
Weather forecast (GridView)
    
    

    
    

    
        
            
            
            
            
        
    


@code {
    private WeatherForecast[] forecasts;
    private Label label;
    private GridView gridview;

    protected async void Button_Click(object sender, EventArgs e)
    {
        forecasts = await Http.GetFromJsonAsync("sample-data/weather.json");

        label.Text = DateTime.Now.ToString();

        gridview.PageIndex = 0;
        gridview.DataSource = forecasts;
        gridview.DataBind();

        this.RequestRefresh();
    }

    protected void GridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        gridview.PageIndex = e.NewPageIndex;
        gridview.DataBind();
    }

    public class WeatherForecast
    {
        public DateTime Date { get; set; }

        public int TemperatureC { get; set; }

        public string Summary { get; set; }

        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
    }
}

Blazor Server

Add CircuitHandler service to Program.cs

builder.Services.AddScoped();

using Microsoft.AspNetCore.Components.Server.Circuits;
using System.Web.Hosting;

namespace Server
{
    public class ScriptManagerCircuitHandler : CircuitHandler
    {
        private readonly IServiceProvider _serviceProvider;

        public ScriptManagerCircuitHandler(IServiceProvider serviceProvider)
        {
            _serviceProvider = serviceProvider;
        }

        public override Task OnCircuitOpenedAsync(Circuit circuit, CancellationToken cancellationToken)
        {
            ScriptManagerHost.AddScoped(_serviceProvider);
            return base.OnCircuitOpenedAsync(circuit, cancellationToken);
        }

        public override Task OnCircuitClosedAsync(Circuit circuit, CancellationToken cancellationToken)
        {
            ScriptManagerHost.RemoveScoped(_serviceProvider);
            return base.OnCircuitClosedAsync(circuit, cancellationToken);
        }
    }
}