If you want to change Border-color of the checkbox programmatically then you should use Border-color property at codebehind.
lets take a simple example for completing the task. Take a webform control and place one checkBox and one button control onto the design window. Now at time we can handle onClick event.
Output
lets take a simple example for completing the task. Take a webform control and place one checkBox and one button control onto the design window. Now at time we can handle onClick event.
<%@ Page
Language="C#"
AutoEventWireup="true"
CodeFile="Default4.aspx.cs"
Inherits="Default4"
%>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:CheckBox ID="CheckBox1"
runat="server"
BorderColor="Red"
BorderStyle="Dotted"
BorderWidth="4px"
Text="CheckBox for
multiple selection" />
<br />
<br />
<asp:Button ID="Button1"
runat="server"
onclick="Button1_Click"
Text="Change Border
Color" />
</div>
</form>
</body>
</html>
Codebehind
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default4 :
System.Web.UI.Page
{
protected void
Page_Load(object sender, EventArgs e)
{
}
protected void
Button1_Click(object sender, EventArgs e)
{
CheckBox1.BorderColor = System.Drawing.Color.Green;
}
}
ASP.NET
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