private void roomDataGridView_CellEndEdit(object sender, DataGridViewCellEventArgs e)
{
bool blank = false;
if (roomDataGridView.Rows[e.RowIndex].Cells[0].Value.ToString() == "")
{
blank = true;
}
if (roomDataGridView.Rows[e.RowIndex].Cells[1].Value.ToString() == "")
{
blank = true;
}
if (roomDataGridView.Rows[e.RowIndex].Cells[2].Value.ToString() == "")
{
blank = true;
}
if (roomDataGridView.Rows[e.RowIndex].Cells[3].Value.ToString() == "")
{
blank = true;
}
if (blank)
{
loadRoomsInfo();
return;
}
string roomNo = roomDataGridView.Rows[e.RowIndex].Cells[0].Value.ToString();
int price = Convert.ToInt32(roomDataGridView.Rows[e.RowIndex].Cells[1].Value.ToString());
string roomType = roomDataGridView.Rows[e.RowIndex].Cells[2].Value.ToString();
int staffId = Convert.ToInt32(roomDataGridView.Rows[e.RowIndex].Cells[3].Value.ToString());
DataSet ds = new DataSet();
roomDAO rD = new roomDAO();
staffDAO sD = new staffDAO();
ds = sD.getStaffs();
bool flag = false;
foreach (DataRow row in ds.Tables[0].Rows)
{
int sI = Convert.ToInt32(row["staffId"].ToString());
if (staffId == sI)
{
flag = true;
break;
}
}
if (flag == false)
{
loadRoomsInfo();
return;
}
r = new roomDTO(roomNo, price, roomType, staffId);
rD.updateRoom(r);
loadRoomsInfo();
}
private void roomDataGridView_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
{
string roomNo = roomDataGridView.Rows[e.Row.Index].Cells[0].Value.ToString();
int price = Convert.ToInt32(roomDataGridView.Rows[e.Row.Index].Cells[1].Value.ToString());
string roomType = roomDataGridView.Rows[e.Row.Index].Cells[2].Value.ToString();
int staffId = Convert.ToInt32(roomDataGridView.Rows[e.Row.Index].Cells[3].Value.ToString());
r = new roomDTO(roomNo, price, roomType, staffId);
}
public void deleteRoom(roomDTO r)
{
s.sqlConnection.Open();
string query = "delete from rooms where roomNo = '" + r.RoomNo + "'";
s.sqlCommand = new SqlCommand(query, s.sqlConnection);
s.sqlCommand.ExecuteNonQuery();
s.sqlConnection.Close();
}
public void createRoom(roomDTO r)
{
s.sqlConnection.Open();
string query = "insert into rooms values('" + r.RoomNo + "','"
+ r.Price + "','"
+ r.RoomType + "','"
+ r.StaffId + "')";
s.sqlCommand = new SqlCommand(query, s.sqlConnection);
s.sqlCommand.ExecuteNonQuery();
s.sqlConnection.Close();
}
public void updateRoom(roomDTO r)
{
s.sqlConnection.Open();
string query = "update rooms set price = '"
+ r.Price + "', roomType = '"
+ r.RoomType + "', staffId = '"
+ r.StaffId + "' where roomNo = '"
+ r.RoomNo + "' ";
s.sqlCommand = new SqlCommand(query, s.sqlConnection);
s.sqlCommand.ExecuteNonQuery();
s.sqlConnection.Close();
}
private void deleteButton_Click(object sender, EventArgs e)
{
if (roomDataGridView.SelectedRows.Count == 0)
{
MessageBox.Show("Select a row from table");
return;
}
int idx = roomDataGridView.SelectedRows[0].Index;
string roomNo = roomDataGridView.Rows[idx].Cells[0].Value.ToString();
int price = Convert.ToInt32(roomDataGridView.Rows[idx].Cells[1].Value.ToString());
string roomType = roomDataGridView.Rows[idx].Cells[2].Value.ToString();
int staffId = Convert.ToInt32(roomDataGridView.Rows[idx].Cells[3].Value.ToString());
r = new roomDTO(roomNo, price, roomType, staffId);
rD.deleteRoom(r);
loadRoomsInfo();
}
private void addButton_Click(object sender, EventArgs e)
{
if (roomNoBox.Text == "" || priceBox.Text == "" || roomTypeBox.Text == "" || staffComboBox.Items.Count == 0)
{
MessageBox.Show("Please give all information");
return;
}
string roomNo = roomNoBox.Text;
int price = Convert.ToInt32(priceBox.Text);
string roomType = roomTypeBox.Text;
string s = staffComboBox.SelectedItem.ToString();
string[] values = s.Split(',');
int staffId = Convert.ToInt32(values[0]);
roomDTO r = new roomDTO(roomNo, price, roomType, staffId);
roomDAO rD = new roomDAO();
rD.createRoom(r);
clearFields();
}
