如何检查ASP.NET中的复选框是否已选中?
Default.aspx
<div class="check_all">
<label class="container">
Web Design
<asp:CheckBox ID="CheckBox" runat="server"/>
<span class="checkmark"></span>
</label>
<label class="container">
Web Development
<asp:CheckBox ID="CheckBox1" runat="server"/>
<span class="checkmark"></span>
</label>
<label class="container">
App Design
<asp:CheckBox ID="CheckBox2" runat="server" />
<span class="checkmark"></span>
</label>
</div>