📄 checkboxlist.aspx
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<html>
<head>
<script language="C#" runat="server">
void Button1_Click(object Source, EventArgs e) {
String s = "选择您选择了:<br>";
//通过遍历来判断哪些选项被选中
for (int i=0; i < Check1.Items.Count; i++)
{
if ( Check1.Items[ i ].Selected )
{
// 将选中的选项添加到S变量中
s = s + Check1.Items[i].Text;
s = s + "<br>";
}
}
Label1.Text = s;
}
void chkLayout_CheckedChanged(Object sender, EventArgs e) {
//设置RepeatLayout属性
if (chkLayout.Checked == true) {
Check1.RepeatLayout = RepeatLayout.Table;
}
else {
Check1.RepeatLayout = RepeatLayout.Flow;
}
}
void chkDirection_CheckedChanged(Object sender, EventArgs e) {
//设置RepeatDirection属性
if (chkDirection.Checked == true) {
Check1.RepeatDirection = RepeatDirection.Horizontal;
}
else {
Check1.RepeatDirection = RepeatDirection.Vertical;
}
}
</script>
</head>
<body>
<form runat=server>
您喜欢的城市：
<asp:CheckBoxList id=Check1 runat="server">
<asp:ListItem>大连</asp:ListItem>
<asp:ListItem>苏州</asp:ListItem>
<asp:ListItem>昆明</asp:ListItem>
</asp:CheckBoxList>
<p>
<asp:CheckBox id=chkLayout OnCheckedChanged="chkLayout_CheckedChanged"
Text="以表格的形式显示" Checked=true AutoPostBack="true" runat="server" />
<br>
<asp:CheckBox id=chkDirection OnCheckedChanged="chkDirection_CheckedChanged"
Text="纵向排列" AutoPostBack="true" runat="server" />
<p>
<asp:Button id=Button1 Text="提交" onclick="Button1_Click" runat="server"/>
<p>
<asp:Label id=Label1 font-size="10pt" runat="server"/>
</form>
</body>
</html>
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