本文介绍了一种利用ASP.NET中的CheckBoxList控件实现在线投票系统的方法。通过示例代码展示了如何设置投票选项并获取用户的选择结果。此投票系统适用于简单的用户调查场景。
先写个简单,过后用CheckBoxList(复选框)实现投票系统也放上来
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<br />
<asp:CheckBoxList ID="CheckBoxList2" runat="server" Width="164px" Font-Size="Small" RepeatLayout="Flow">
<asp:ListItem Value="Sport">体育</asp:ListItem>
<asp:ListItem Value="Tour">旅游</asp:ListItem>
<asp:ListItem Value="Donet">上网</asp:ListItem>
<asp:ListItem Value="Study">学习</asp:ListItem>
</asp:CheckBoxList><br />
</div>
<asp:Button ID="Button1" runat="server" Text="提交" OnClick="Button1_Click" />
</form>
</body>
</html>
<script type="text/C#" runat = "server">
protected void Button1_Click(object sender, EventArgs e)
...{
for (int i = 0; i < this.CheckBoxList2.Items.Count; i++)
...{
bool a = this.CheckBoxList2.Items[i].Selected;
if (a)
...{
Response.Write(this.CheckBoxList2.Items[i].Text);
}
}
}
</script>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>无标题页</title></head><body> <form id="form1" runat="server"> <div> <br /> <asp:CheckBoxList ID="CheckBoxList2" runat="server" Width="164px" Font-Size="Small" RepeatLayout="Flow"> <asp:ListItem Value="Sport">体育</asp:ListItem> <asp:ListItem Value="Tour">旅游</asp:ListItem> <asp:ListItem Value="Donet">上网</asp:ListItem> <asp:ListItem Value="Study">学习</asp:ListItem> </asp:CheckBoxList><br /> </div> <asp:Button ID="Button1" runat="server" Text="提交" OnClick="Button1_Click" /> </form></body></html><script type="text/C#" runat = "server"> protected void Button1_Click(object sender, EventArgs e) ...{ for (int i = 0; i < this.CheckBoxList2.Items.Count; i++) ...{ bool a = this.CheckBoxList2.Items[i].Selected; if (a) ...{ Response.Write(this.CheckBoxList2.Items[i].Text); } } }</script>
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