SO-35084076 dynamically add collection item | C# Online Compiler

SO-35084076 dynamically add collection item by Stephen Muecke

using System;
using System.ComponentModel.DataAnnotations;
using System.Collections.Generic;

namespace HelloWorldMvcApp
{
	
    public class PersonViewModel
    {
		public PersonViewModel()
		{
			JobSplits = new List<PersonJobSplitViewModel>();
		}
        [Required]
		[Display(Name = "Name")]
        public string PersonName { get; set; }
        public int PersonAge { get; set; }
        public List<PersonJobSplitViewModel> JobSplits { get; set; }
    }
	
	public class PersonJobSplitViewModel
    {
        [Required]
		[Display(Name = "Role")]
        public string JobRole { get; set; }
		[Display(Name = "Percentage")]
        public decimal SplitPercentage { get; set; }
    }
	
}

Model

​x
 
using System;
using System.ComponentModel.DataAnnotations;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    
    public class PersonViewModel
    {
        public PersonViewModel()
        {
            JobSplits = new List<PersonJobSplitViewModel>();
        }
        [Required]
        [Display(Name = "Name")]
        public string PersonName { get; set; }
        public int PersonAge { get; set; }
        public List<PersonJobSplitViewModel> JobSplits { get; set; }
    }
    
    public class PersonJobSplitViewModel
    {
        [Required]
        [Display(Name = "Role")]
        public string JobRole { get; set; }
        [Display(Name = "Percentage")]
        public decimal SplitPercentage { get; set; }
    }
    
}

@model HelloWorldMvcApp.PersonViewModel
@{
	Layout = null;
}

<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->

<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Bootstrap 101 Template</title>

		<!-- CSS Includes -->
		<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
		
		<style type="text/css">

			.field-validation-error {
				color: #ff0000;
			}
			#jobsplits {
				width: 100%;
			}
			#add {
				margin: 25px 0;
			}
			td {
				vertical-align: top;
			}
			td:last-child {
				width: 65px;
			}

		</style>
	</head>
	
	<body>
		<div class="container">
			<div class="col-md-6 col-md-offset-3">
				<h1>Hello Stranger</h1>
				@using (Html.BeginForm())
				{
					<div class="form-group">
						@Html.LabelFor(m => m.PersonName)
						@Html.TextBoxFor(m => m.PersonName, new { @class="form-control" }) 
						@Html.ValidationMessageFor(m => m.PersonName)
					</div>
					<table id="jobsplits">
						<thead>
							<tr>
								<th>@Html.DisplayNameFor(m => m.JobSplits.FirstOrDefault().JobRole)</th>
								<th>@Html.DisplayNameFor(m => m.JobSplits.FirstOrDefault().SplitPercentage)</th>
								<th></th>
							</tr>
						</thead>
						<tbody>
							@for(int i = 0; i < Model.JobSplits.Count; i++)
							{
								<tr>
									<td>
										<input type="hidden" name="JobSplits.Index" value="@i">
										@Html.TextBoxFor(m => m.JobSplits[i].JobRole, new { @class="form-control" })
										@Html.ValidationMessageFor(m => m.JobSplits[i].JobRole)
									</td>
									<td>
										@Html.TextBoxFor(m => m.JobSplits[i].SplitPercentage, new { @class="form-control" })
										@Html.ValidationMessageFor(m => m.JobSplits[i].SplitPercentage)
									</td>
									<td>
										<button type="button" class="btn delete">Delete</button>
									</td>
								</tr>
							}
						</tbody>
					</table>
					<button type="button" id="add" class="btn">Add Job</button>
					<div>
						<button type="submit" class="btn btn-success submit">Save</button>
					</div>
				}
			</div>
		</div>
				
				
		<table id="newrow" style="display:none;">
    		<tr>
        		<td>
            		<input type="hidden" name="JobSplits.Index" value="%">
            		<input class="form-control" data-val="true" data-val-required="The JobRole field is required." name="JobSplits[#].JobRole" type="text" value="">
            		<span class="field-validation-valid" data-valmsg-for="JobSplits[#].JobRole" data-valmsg-replace="true"></span>
        		</td>
        		<td>
            		<input class="form-control" data-val="true" data-val-number="The field SplitPercentage must be a number." data-val-required="The SplitPercentage field is required." name="JobSplits[#].SplitPercentage" type="text" value="0">
            		<span class="field-validation-valid" data-valmsg-for="JobSplits[#].SplitPercentage" data-valmsg-replace="true"></span>
        		</td>
				<td>
					<button type="button" class="btn delete">Delete</button>
				</td>
    		</tr>
		</table>
				

		<!-- JS includes -->
		<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
		<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
	
		<script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
		<script src="//ajax.aspnetcdn.com/ajax/mvc/4.0/jquery.validate.unobtrusive.min.js"></script>
		
		<script type="text/javascript">
			var form = $('form');
			var table = $('#jobsplits tbody');
			var newrow= $('#newrow');
				
        	$('#add').click(function () {
            	var index = (new Date()).getTime();
            	var clone = newrow.find('tr').clone();
            	clone.html($(clone).html().replace(/\[#\]/g, '[' + index + ']'));
            	clone.html($(clone).html().replace(/"%"/g, '"' + index + '"'));
            	table.append(clone);
				form.data('validator', null);
  				$.validator.unobtrusive.parse(form)
        	});
			$('#jobsplits').on('click', '.delete', function() {
				$(this).closest('tr').remove();
			});

		</script>
	</body>
</html>

View

 
@model HelloWorldMvcApp.PersonViewModel
@{
    Layout = null;
}
​
<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->
​
<html lang="en">
    <head>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <title>Bootstrap 101 Template</title>
​
        <!-- CSS Includes -->
        <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
        
        <style type="text/css">
​
            .field-validation-error {
                color: #ff0000;
            }
            #jobsplits {
                width: 100%;
            }
            #add {
                margin: 25px 0;
            }
            td {
                vertical-align: top;
            }
            td:last-child {
                width: 65px;
            }
​
        </style>
    </head>
    
    <body>
        <div class="container">
            <div class="col-md-6 col-md-offset-3">
                <h1>Hello Stranger</h1>
                @using (Html.BeginForm())
                {
                    <div class="form-group">
                        @Html.LabelFor(m => m.PersonName)
                        @Html.TextBoxFor(m => m.PersonName, new { @class="form-control" }) 
                        @Html.ValidationMessageFor(m => m.PersonName)
                    </div>
                    <table id="jobsplits">
                        <thead>
                            <tr>
                                <th>@Html.DisplayNameFor(m => m.JobSplits.FirstOrDefault().JobRole)</th>
                                <th>@Html.DisplayNameFor(m => m.JobSplits.FirstOrDefault().SplitPercentage)</th>
                                <th></th>
                            </tr>
                        </thead>
                        <tbody>
                            @for(int i = 0; i < Model.JobSplits.Count; i++)
                            {
                                <tr>
                                    <td>
                                        <input type="hidden" name="JobSplits.Index" value="@i">
                                        @Html.TextBoxFor(m => m.JobSplits[i].JobRole, new { @class="form-control" })
                                        @Html.ValidationMessageFor(m => m.JobSplits[i].JobRole)
                                    </td>
                                    <td>
                                        @Html.TextBoxFor(m => m.JobSplits[i].SplitPercentage, new { @class="form-control" })
                                        @Html.ValidationMessageFor(m => m.JobSplits[i].SplitPercentage)
                                    </td>
                                    <td>
                                        <button type="button" class="btn delete">Delete</button>
                                    </td>
                                </tr>
                            }
                        </tbody>
                    </table>
                    <button type="button" id="add" class="btn">Add Job</button>
                    <div>
                        <button type="submit" class="btn btn-success submit">Save</button>
                    </div>
                }
            </div>
        </div>
                
                
        <table id="newrow" style="display:none;">
            <tr>
                <td>
                    <input type="hidden" name="JobSplits.Index" value="%">
                    <input class="form-control" data-val="true" data-val-required="The JobRole field is required." name="JobSplits[#].JobRole" type="text" value="">
                    <span class="field-validation-valid" data-valmsg-for="JobSplits[#].JobRole" data-valmsg-replace="true"></span>
                </td>
                <td>
                    <input class="form-control" data-val="true" data-val-number="The field SplitPercentage must be a number." data-val-required="The SplitPercentage field is required." name="JobSplits[#].SplitPercentage" type="text" value="0">
                    <span class="field-validation-valid" data-valmsg-for="JobSplits[#].SplitPercentage" data-valmsg-replace="true"></span>
                </td>
                <td>
                    <button type="button" class="btn delete">Delete</button>
                </td>
            </tr>
        </table>
                
​
        <!-- JS includes -->
        <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
        <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
    
        <script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
        <script src="//ajax.aspnetcdn.com/ajax/mvc/4.0/jquery.validate.unobtrusive.min.js"></script>
        
        <script type="text/javascript">
            var form = $('form');
            var table = $('#jobsplits tbody');
            var newrow= $('#newrow');
                
            $('#add').click(function () {
                var index = (new Date()).getTime();
                var clone = newrow.find('tr').clone();
                clone.html($(clone).html().replace(/\[#\]/g, '[' + index + ']'));
                clone.html($(clone).html().replace(/"%"/g, '"' + index + '"'));
                table.append(clone);
                form.data('validator', null);
                $.validator.unobtrusive.parse(form)
            });
            $('#jobsplits').on('click', '.delete', function() {
                $(this).closest('tr').remove();
            });
​
        </script>
    </body>
</html>
​

using System;
using System.Web.Mvc;
using System.Collections.Generic;

namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		[HttpGet]
		public ActionResult Index()
		{
			PersonViewModel model = new PersonViewModel();
			return View(model);
		}

		[HttpPost]
		public ActionResult Index(PersonViewModel model)
		{				
			return View(model);
		}
		
	}
}

Controller

 
using System;
using System.Web.Mvc;
using System.Collections.Generic;
​
namespace HelloWorldMvcApp
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            PersonViewModel model = new PersonViewModel();
            return View(model);
        }
​
        [HttpPost]
        public ActionResult Index(PersonViewModel model)
        {               
            return View(model);
        }
        
    }
}

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