How to create Dynamic Checkbox using inner html as per the value in database using C# in ASP.Net

{
            clsColor objColor = new clsColor(true);
            objColor.getColor();
            string strHtm1 = string.Empty;
            int j = 0;
            for (j = 0; j < objColor.ListclsColor.Count; j++)
            {
                strHtm1 += "<input type='checkbox' name='chkbox' value='chkbox'>" + (objColor.ListclsColor[j].ColorID + objColor.ListclsColor[j].ColorName);

            }
            l.InnerHtml = strHtm1;
}

 call method on page load