ASP.NET改变checkboxlist选中项字体颜色

@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %> 
<!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"> 
    <asp:CheckBoxList ID="CheckBoxList1" runat="server" Width="728px" Height="40px" RepeatDirection="Horizontal"> 
                    <asp:ListItem Value="报纸">报纸</asp:ListItem> 
                    <asp:ListItem>杂志</asp:ListItem> 
                    <asp:ListItem>广播</asp:ListItem> 
                    <asp:ListItem>电视</asp:ListItem> 
                    <asp:ListItem>网络</asp:ListItem> 
                    <asp:ListItem>亲朋介绍</asp:ListItem> 
                    <asp:ListItem>招生简章</asp:ListItem> 
                    <asp:ListItem>招生咨询会</asp:ListItem> 
</asp:CheckBoxList> 
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Button" Width="107px" /> 
    </form> 
</body> 
</html> 

2.default.aspx.cs 
protected void Page_Load(object sender, EventArgs e) 
    { 
    } 
    protected void Button1_Click(object sender, EventArgs e) 
    { 
        for (int i = 0; i < this.CheckBoxList1.Items.Count; i++) 
        { 
            if (this.CheckBoxList1.Items[i].Selected == true) 
            { 
               this.CheckBoxList1.Items[i].Text = this.CheckBoxList1.Items[i].Text.IndexOf("font") == -1 ? "<font color=‘red’>" + this.CheckBoxList1.Items[i].Text + "</font>" : this.CheckBoxList1.Items[i].Text.Replace("Black", "red"); 
            } 
            else 
            { 
                this.CheckBoxList1.Items[i].Text =this.CheckBoxList1.Items[i].Text.IndexOf("font") == -1 ? "<font color=‘Black’>" + this.CheckBoxList1.Items[i].Text + "</font>" : this.CheckBoxList1.Items[i].Text.Replace("red", "Black"); 

            } 
        } 
    }



原文地址:https://www.cnblogs.com/xiaofengfeng/p/1938976.html