in this when i updated data then not updated it is deleted in update button but there is update fuction
how i solve this problem that data are update????/
here is updated fuction
{
string constring = @"Data Source=.\SQLEXPRESS;Database=htm;Integrated Security=True";
SqlConnection con = new SqlConnection(constring);
con.Open();
DataTable dt = new DataTable();
SqlCommand com = new SqlCommand("updatereserveinfo", con);
com.CommandType = CommandType.StoredProcedure;
com.Parameters.Add(new SqlParameter("@Reservation_id", myreserv.Reservation_ID1));
com.Parameters.Add(new SqlParameter("@Guest_id", myreserv.Guest_name));
com.Parameters.Add(new SqlParameter("@Room_ID", myreserv.Room_no));
com.Parameters.Add(new SqlParameter("@Service_id", myreserv.Service));
com.Parameters.Add(new SqlParameter("@No_of_days", myreserv.No_of_days));
com.Parameters.Add(new SqlParameter("@Check_in",myreserv.Check_in));
com.Parameters.Add(new SqlParameter("@Check_out",myreserv.Check_out));
com.ExecuteNonQuery();
con.Close();
and button code
private void UPDTE_Click(object sender, EventArgs e)
{
try
{
Reservation_manager manage = new Reservation_manager(info);
info.Reservation_ID1 = Convert.ToInt32(txt_reser.Text);
info.Guest_name = text_guest.SelectedValue.ToString();
info.Room_no = Convert.ToInt32(txt_room.Text);
info.Service = txt_servce.SelectedValue.ToString();
info.No_of_days = Convert.ToInt32(txt_days.Text);
info.Check_in = Convert.ToDateTime(check_in.Text);
info.Check_out = DateTime.Parse(check_out.Text);
manage.updatereserve();
//dataGridView1.DataSource = info.GetRecords();
MessageBox.Show("Reservation Update Successfully!", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
dt.Clear();
dt = info.GetRecords();
dataGridView1.DataSource = dt;
clearfield();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
store procedure
set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO
ALTER procedure [dbo].[updatereserveinfo]
@Reservation_ID int,
@guest_id int,
@Room_id int,
@service_id int,
@no_of_days int,
@check_in datetime,
@check_out datetime
as
begin
update Reservation
set
Guest_ID=@guest_id,Room_ID=@Room_id,Service_ID=@service_id,No_of_days=@no_of_days,Check_in=@check_in,Check_out=@check_out
where Reservation_ID=@Reservation_ID
end
