Change style for ListItem : ListItem « ASP.net Controls « ASP.NET Tutorial
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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="ListControlAttributes" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label ID="myLab" runat="server" /><br />
<asp:DropDownList ID="myDrop" runat="server">
<asp:ListItem>Red</asp:ListItem>
<asp:ListItem>Blue</asp:ListItem>
<asp:ListItem>Green</asp:ListItem>
</asp:DropDownList>
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class ListControlAttributes : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
myLab.Text = "Red text here";
myLab.Attributes["style"] = "background-color:red;";
myDrop.Items[0].Attributes["style"] = "background-color:red;";
myDrop.Items[1].Attributes["style"] = "background-color:green;";
myDrop.Items[2].Attributes["style"] = "background-color:blue;";
myDrop.Attributes["style"] = "background-color:yellow;";
myDrop.Items[1].Enabled = false;
}
}