@page "/" <EditForm Model="@samples" OnValidSubmit="@DoNothing"> <DataAnnotationsValidator /> <ValidationSummary /> <MatButton Raised="true" OnClick="@AddTab" Label="Add Tab"></MatButton> <MatTabGroup> @foreach (var sample in samples) { <MatTab> <LabelContent> @sample.id </LabelContent> <ChildContent> <p> <MatTextField @bind-Value="@sample.a" Label="a"></MatTextField> </p> <p> b: <InputText @bind-Value="@sample.b" /> </p> <p> <MatSelect Label="c" @bind-Value="@sample.c"> <MatOption Value=""></MatOption> <MatOption Value="grains">Bread, Cereal, Rice, and Pasta</MatOption> <MatOption Value="vegetables">Vegetables</MatOption> <MatOption Value="fruit">Fruit</MatOption> </MatSelect> </p> <p> d: <InputSelect @bind-Value="sample.d"> <option value=""></option> <option value="Exploration">Exploration</option> <option value="Diplomacy">Diplomacy</option> <option value="Defense">Defense</option> </InputSelect> </p> <p> <MatCheckbox @bind-Checked="@sample.e" Label="e"></MatCheckbox> </p> </ChildContent> </MatTab> } </MatTabGroup> </EditForm> @code { public List<Sample> samples = new List<Sample>(); public void AddTab() { samples.Add(new Sample() {id=samples.Count()+1}); } public void DoNothing() {} public class Sample { public int id {get; set;} public string a {get; set;} public string b {get; set;} public string c {get; set;} public string d {get; set;} public bool e {get; set;} } }