how to select a single field in checkbox using asp.net using c# with example code

You have to have a CheckBoxList control and do like this.

On ASPX Page

Code Behind


Hope this helps.

Hi Selvi,


Try this...


using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

namespace Country_state
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            if (CheckBox1.Checked == true)

            {
                Response.Write("you have selected bba");
            }

            else if (CheckBox2.Checked == true)
            {
                Response.Write("you have selected bca");
            }

            else if (CheckBox3.Checked == true)
            {
                Response.Write("you have selected bcom");
            }

            else
            {
                Response.Write("you have selected bsc");
            }

            clear();


        }
        void clear()
        {

            CheckBox1.Checked = false;
            CheckBox2.Checked = false;
            CheckBox3.Checked = false;
            CheckBox4.Checked = false;
        }

    }
}




Thanks
If this post helps you mark it as answer

Put Same Group Name for all Checboxes,

Check this is correct answer if it helped.

Please elaborate it more