single web application uploading data

 source = ConfigurationManager.AppSettings["ServerName"].ToString();

            database = ConfigurationManager.AppSettings["DatabaseName"].ToString();

            userid = ConfigurationManager.AppSettings["UserId"].ToString();

            pwd = ConfigurationManager.AppSettings["Password"].ToString();

            string DestinationServer = ConfigurationManager.AppSettings["DestinationServer"].ToString();

            string Duserid = ConfigurationManager.AppSettings["Userid"].ToString();

            string Dpass = ConfigurationManager.AppSettings["password"].ToString();

            SqlConnection dbcon1 = new System.Data.SqlClient.SqlConnection(source);

            dbcon1.Open();

            SqlConnection dbcon2 = new System.Data.SqlClient.SqlConnection(DestinationServer);

            dbcon2.Open();

            SqlDataReader dr;

            SqlCommand cmd = new SqlCommand("select * from tblClientInfo",dbcon1);

                dr = cmd.ExecuteReader();

                   

                while (dr.Read())

                {

                  string Sql = "insert into tblClientInfo(ClientId,Name) values(" + dr.GetInt32(0).ToString() + "," + dr.GetString(1) + ")"; 

                SqlCommand cmd1 = new SqlCommand (Sql,dbcon2);