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Index

@page "/"
<style>
    th, td {
        vertical-align: middle;
    }
</style>
<h3>@metadatas["Title"]</h3>
<br/>

@if (metadatas != null)
{
    <table class="table table-bordered" style="background-color: @metadatas["Background-color"];">
        <thead>
        <tr>
            <th scope="col">#</th>
            <th scope="col" style="width: 150px;">Action</th>
            <th scope="col" style="width: 150px;">Key</th>
            <th scope="col">Value</th>
        </tr>
        </thead>
        <tbody>
        @foreach (var metadata in metadatas)
        {
            var keys = metadatas.Keys.ToList();
            var index = keys.IndexOf(metadata.Key);
            <tr>
                <th scope="row">@(index + 1)</th>
                <td style="text-align: center;">
                    <button type="button" 
                            class="btn @(Edits[index] ? "btn-secondary" : "btn-primary")"
                            @onclick="@(() => { Edits[index] = !Edits[index]; })">
                        @(Edits[index] ? "Disable Edit" : "Enable Value")
                    </button>
                </td>
                <td>@metadata.Key</td>
                @if (Edits[index])
                {
                    <td><input @bind-value="metadatas[metadata.Key]" 
                               type="text" 
                               class="form-control" 
                               style="background-color: antiquewhite;"/></td>
                }
                else
                {
                    <td>@metadata.Value</td>
                }
            </tr>
        }
        </tbody>
    </table>
}

@code
{
    private Dictionary<string, string> metadatas { get; set; }
    private bool[] Edits;
    
    protected override void OnInitialized()
    {
        metadatas = new Dictionary<string, string>();
        metadatas.Add("Title", "Make only the selected row editable");
        metadatas.Add("Background-color", "white");
        
        // for storing edit status of each dictionary value
        // this array has to be same length as the dictionary
        Edits = new bool[metadatas.Count()];
        base.OnInitialized();
    }
}

namespace BlazorFiddleProject
{
    using Microsoft.AspNetCore.Components.Builder;
    using Microsoft.Extensions.DependencyInjection;


    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
        }

        public void Configure(IComponentsApplicationBuilder app)
        {
            app.AddComponent<App>("app");
        }
    }
}

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <meta name="viewport" content="width=device-width">
    <title>BlazorFiddleProject</title>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
	
	<script src="_content/MatBlazor/dist/matBlazor.js"></script>

    <style>
        app { }
    </style>

    <script type="text/javascript">
    </script>
</head>
<body>
<app>Loading...</app>

<script src="_framework/blazor.webassembly.js"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>

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