private void update_Click(object sender, EventArgs e)
        {
            if (Firstname.Text != "" && Lastname.Text != "" && Middlename.Text != "" && bday.Text != "" && Address.Text != "" && Phonenum.Text != "" && Jobposition.Text != "" && Emailadd.Text != "")
            {
                sqlcon.Close();
                string         query = "Update quickpctbl Set Fname ='" + Firstname.Text.Trim() + "', Mname ='" + Middlename.Text.Trim() + "', Lname ='" + Lastname.Text.Trim() + "', Birthday ='" + bday.Text.Trim() + "', Address ='" + Address.Text.Trim() + "', PhoneNumber ='" + Phonenum.Text.Trim() + "', JobPosition ='" + Jobposition.Text.Trim() + "', EmailAddress ='" + Emailadd.Text.Trim() + "' where IdNumber = '" + idnum.Text.Trim() + "'";
                SqlDataAdapter sda   = new SqlDataAdapter(query, sqlcon);
                DataTable      dtbl  = new DataTable();
                sda.Fill(dtbl);

                MessageBox.Show("Successfuly Update!");
            }
            else
            {
                MessageBox.Show("Please Input!");
            }
            idnum.Clear();
            Firstname.Clear();
            Middlename.Clear();
            Lastname.Clear();
            bday.Text = String.Empty;
            Address.Clear();
            Phonenum.Clear();
            Jobposition.Text = String.Empty;
            Emailadd.Clear();
        }
 private void newaccount_Click(object sender, EventArgs e)
 {
     if (Firstname.Text != "" && Lastname.Text != "" && Middlename.Text != "" && bday.Text != "" && Address.Text != "" && Phonenum.Text != "" && Jobposition.Text != "" && Emailadd.Text != "")
     {
         string         query = "Insert into quickpctbl VALUES('" + idnum.Text.Trim() + "','" + Firstname.Text.Trim() + "','" + Middlename.Text.Trim() + "','" + Lastname.Text.Trim() + "','" + bday.Text.Trim() + "','" + Address.Text.Trim() + "','" + Phonenum.Text.Trim() + "','" + Jobposition.Text.Trim() + "','" + Emailadd.Text.Trim() + "')";
         SqlDataAdapter sda   = new SqlDataAdapter(query, sqlcon);
         DataTable      dtbl  = new DataTable();
         sda.Fill(dtbl);
         MessageBox.Show("Successfuly Added!");
         idnum.Clear();
         Firstname.Clear();
         Middlename.Clear();
         Lastname.Clear();
         bday.Text = String.Empty;
         Address.Clear();
         Phonenum.Clear();
         Jobposition.Text = String.Empty;
         Emailadd.Clear();
     }
     else
     {
         MessageBox.Show("Please Input!");
     }
 }