private void btnInsert_Click(object sender, EventArgs e)
        {
            var selected = listBox1.SelectedItem;


            if (selected is null)
            {
                MessageBox.Show("Please Select Room", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
                ActionResult saveResult = formCtrl._saveFormData(new RoomsforSessionModel()
                {
                    Room      = (string)selected,
                    SessionId = Int32.Parse(comboBox1.SelectedItem.ToString()),
                });

                if (saveResult.State)
                {
                    RoomsforSessionModel saveObj = saveResult.Data;
                    MessageBox.Show("Rooms With Session : " + saveObj.Room + "-" + saveObj.SessionId + " Sucessfully Saved!", "Save Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    initForm();
                }
                else
                {
                    MessageBox.Show(saveResult.Data, "Save Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }
        private void btnDelete_Click(object sender, EventArgs e)
        {
            var selected = listBox2.SelectedItem;


            if (selected is null)
            {
                MessageBox.Show("Please Select Room", "Validation Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
            else
            {
                int id = 0;

                ActionResult roomsWithSesResult = formCtrl._getFormData(typeof(RoomsforSessionModel), "RoomsforSession");
                if (roomsWithSesResult.State)
                {
                    foreach (RoomsforSessionModel room in roomsWithSesResult.Data)
                    {
                        if (room.Room == (string)selected && room.SessionId.ToString() == comboBox1.SelectedItem.ToString())
                        {
                            id = room.RoomWithSessionID;
                        }
                    }
                }


                ActionResult deleteResult = formCtrl._deleteFormData(new RoomsforSessionModel()
                {
                    RoomWithSessionID = id
                });

                if (deleteResult.State)
                {
                    RoomsforSessionModel deleteObj = deleteResult.Data;
                    MessageBox.Show("Room " + (string)selected + " Sucessfully Deleted!", "Delete Message", MessageBoxButtons.OK, MessageBoxIcon.Information);
                    initForm();
                }
                else
                {
                    MessageBox.Show(deleteResult.Data, "Delete Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
                }
            }
        }