/// <summary>
        /// This method is used to signup new member.
        /// </summary>
        /// <param name="UserName"></param>
        /// <param name="Password"></param>
        /// <param name="FirstName"></param>
        /// <param name="LastName"></param>
        /// <param name="OrganisationName"></param>
        /// <returns></returns>
        public string MemberSignup(string UserName, string Password, string FirstName, string LastName, string OrganisationName)
        {
            string result = "";
            MemberAction objMember = new MemberAction();
            RegisterModel rmodel = new RegisterModel();

            bool IsMemberExist = objMember.FindByUserName(UserName);
            if (IsMemberExist)
            {
                result = "Member already exist.";
            }
            else
            {
                rmodel.UserName = UserName;
                rmodel.Password = Password;
                rmodel.FirstName = FirstName;
                rmodel.LastName = LastName;
                if (!string.IsNullOrEmpty(OrganisationName))
                {
                    if (!OrganisationName.Equals("(null)"))
                        rmodel.organisationName = OrganisationName;
                }
                result = objMember.MobileSignup(rmodel);
            }

            return result;
        }