Monday 18 September 2017

Database Application # 4 (insert form)

Student Class Properties:

  class student

    {

        public int s_id { get; set; }

        public string sname { get; set; }

        public string sfname { get; set; }

        public string sgender { get; set; }

        public string saddress { get; set; }

        public string sdate { get; set; }

        public string sfk { get; set; }

    }

Method of Data Insertion





public string insert_srecord(student s)
        {
            string msg = " ";
            SqlConnection conn = new SqlConnection(connstring);

            try
            {
                SqlCommand cmd = new SqlCommand("insert_student", conn);
                cmd.CommandType = CommandType.StoredProcedure;
                cmd.Parameters.Add("@std_name", SqlDbType.NVarChar, 20).Value = s.sname;
                cmd.Parameters.Add("@std_fname", SqlDbType.NVarChar, 20).Value = s.sfname;
                cmd.Parameters.Add("@std_gender", SqlDbType.NVarChar, 20).Value = s.sgender;
                cmd.Parameters.Add("@std_address", SqlDbType.NVarChar, 100).Value = s.saddress;
                cmd.Parameters.Add("@std_admissiondate", SqlDbType.NVarChar, 20).Value = s.sdate;
                cmd.Parameters.Add("@std_ad_fk_id", SqlDbType.NVarChar, 20).Value = s.sfk;


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

                msg = "data successfully inserted!";

             


            }
            catch (Exception)
            {


                msg = "data is not successfully inserted!";

            }


            finally
            {
                conn.Close();
            }



            return msg;




        } //method end......................

Database Application # 2 (login C#)

LOGIN FORM CODE C#





string user = textBox1.Text;
            string password = textBox2.Text;
            string userdb,passworddb;

            returnclass rc = new returnclass();
            userdb = rc.scalarReturn("select count(ad_id) from administator where ad_name='" + user + "'");
       

        if (userdb.Equals("0"))
 {
      MessageBox.Show("Invalid user name!");
 }
        else
     {
            passworddb = rc.scalarReturn("select ad_password from administator where ad_name='" + user + "'");

     if (passworddb.Equals(password))
{
       fk_ad= rc.scalarReturn("select ad_id from administator where ad_name='" + user + "'");
       
Form2 f=new Form2();
         f.Show();

}
            else
{
    MessageBox.Show("Invalid Password!");
}

   
    }

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