HTML5 CSS3 . , ASP.net:
.required:after {
content: "*";
}
HTML
<div>
<label for="NewClub_NewClubName" class="required">Name your club.</label>
<input ...>
</div>
, HTML5 required, , ASP. placeholder .
<div>
<input type="text" name="newClub" placeholder="New club name" required/>
</div>
:required. , CSS3, :
<div>
<input type="text" id="newClub" name="newClub"
placeholder="New club name" required/>
<label for="newClub">New club name.</label>
</div>
input:required + label:before {
content: "*";
color: red;
}
, ASP.