Send Email to multiple EmailId in different column of table using C# in ASP.Net

i have two email id in different column.

i wan to send email on both id this possible or not.

CREATE TABLE [dbo].[MESSAGE_SYSTEM] (
    [Id]            INT          IDENTITY (1, 1) NOT NULL,
    [VEND_EMP]      VARCHAR (50) NULL,
    [VEN_EMP_NAME]  VARCHAR (50) NULL,
    [PARTICULARS]   VARCHAR (50) NULL,
    [AMT]           VARCHAR (50) NULL,
    [VEN_EMP_PHNO]  VARCHAR (50) NULL,
    [VEN_EMP_EMAIL] VARCHAR (50) NULL,
    [EIC_PH_NO]     VARCHAR (50) NULL,
    [EIC_MAIL_ID]   VARCHAR (50) NULL,
    [flag]          VARCHAR (3)  DEFAULT ('N') NULL,
    [date_time]     DATETIME     DEFAULT (getdate()) NULL
);

namespace WebApplication13
{
    public partial class WebForm2 : System.Web.UI.Page
    {        
        protected void btnSendMail_Click(object sender, EventArgs e)
        {
            string Id = string.Empty;           
            DataTable dt = new DataTable();
            try
            {
                foreach (GridViewRow row in GridView1.Rows)
                {
                    CheckBox cb = (CheckBox)row.FindControl("chkSelect");

                    if (cb.Checked == true)
                    {
                        if (cb != null && cb.Checked)
                        {
                            //get Current EMAIL_ID from the DataKey
                            Id = Convert.ToString(GridView1.DataKeys[row.RowIndex].Value);
                            SqlCommand cmd = new SqlCommand("select VEN_EMP_EMAIL,EIC_MAIL_ID from MESSAGE_SYSTEM where Id=" + Id + "", con);
                            SqlDataAdapter adp = new SqlDataAdapter(cmd);
                            //Fill datatable with EMAIL_ID corresponding to Current EMP_ID
                            adp.Fill(dt);
                            //Get EMAIL_ID into variable
                            string emailId = dt.Rows[0]["VEN_EMP_EMAIL"].ToString();
                            string Email_id1 = dt.Rows[0]["EIC_MAIL_ID"].ToString();
                            //write code to send mail
                            SendEmailUsingGmail(emailId);
                            SendEmailUsingGmail(Email_id1);
                            dt.Clear();
                            dt.Dispose();
                        }
                    }
                }
               // ScriptManager.RegisterClientScriptBlock(Page, Page.GetType(), Guid.NewGuid().ToString(), "alert('Emails sent successfully');", true);
            }
            catch (Exception ex)
            {
                Response.Write("Error occured: " + ex.Message.ToString());
            }
            finally
            {
                Id = string.Empty;
            }
        }

        //private void SendEmailUsingGmail(string toEmailAddress)
        private void SendEmailUsingGmail(string toEmailAddress, string AMT, string PARTICULARS)
        {

            try
            {
                SmtpClient smtp = new SmtpClient();
                smtp.Credentials = new NetworkCredential("indradeo7306@gmail.com", "7503431478");
                smtp.Port = 587;
                smtp.Host = "smtp.gmail.com";
                smtp.EnableSsl = true;
                MailMessage message = new MailMessage();
                message.From = new MailAddress("indradeo7306@gmail.com");
                message.To.Add(toEmailAddress);
             

                message.Subject = " PAYMENT INFORMATION";
                //message.Body = "Amount of Rs " + AMT + " for " + PARTICULARS + " is sent to your Bank account";
                smtp.Send(message);
            }
            catch (Exception ex)
            {
                Response.Write("Error occured: " + ex.Message.ToString());
            }
            try
            {
                SmtpClient smtp = new SmtpClient();
                Page.RegisterStartupScript("UserMsg", "<script>alert('Payment Details Successfully Send...');if(alert){ window.location='WebForm2.aspx';}</script>");
            }

            catch (Exception ex)
            {
                Exception ex2 = ex;
                string errorMessage = string.Empty;
                while (ex2 != null)
                {
                    errorMessage += ex2.ToString();
                    ex2 = ex2.InnerException;
                }
                Page.RegisterStartupScript("UserMsg", "<script>alert('Payment Details Sending Failed...');if(alert){ window.location='WebForm2.aspx';}</script>");
            }
        }
    }
}