}//method end.....

        public void insert_img(std_img_class img)
        {
            SqlConnection conn = new SqlConnection(connstring);

            try
            {
                SqlCommand cmd = new SqlCommand("insert_student_img", conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add("@img_path ", SqlDbType.NVarChar).Value = img.img_path;
                cmd.Parameters.Add("@img_fk ", SqlDbType.Int).Value        = img.s_id;

                conn.Open();
                cmd.ExecuteNonQuery();

                MessageBox.Show("DATA record has been inserted successfully.....");
            }
            catch (Exception)
            {
                MessageBox.Show("data is not inserted !!!");
            }

            finally
            {
                conn.Close();
            }
        }//method end...
        private void button4_Click(object sender, EventArgs e)
        {
            std_img_class img = new std_img_class();

            img.s_id     = Convert.ToInt32(textBox6.Text);
            img.img_path = textBox5.Text;
            i.insert_img(img);
        }