private void btnCompare_Click(object sender, EventArgs e)
{
ServiceHistory firstHistory;
ServiceHistory secondHistory;
string query1 = string.Format("SELECT * FROM dbo.ServiceHistory WHERE ID = {0}", int.Parse(this.cbFirst.Text));
DataTable data1 = DataProvider.Instance.ExecuteQuery(query1);
firstHistory = new ServiceHistory(data1.Rows[0]);
string query2 = string.Format("SELECT * FROM dbo.ServiceHistory WHERE ID = {0}", int.Parse(this.cbSecond.Text));
DataTable data2 = DataProvider.Instance.ExecuteQuery(query2);
secondHistory = new ServiceHistory(data2.Rows[0]);
switch (firstHistory > secondHistory)
{
case 0:
this.txbCompare.Text = "The same";
break;
case 1:
this.txbCompare.Text = "After";
break;
case -1:
this.txbCompare.Text = "Before";
break;
default:
break;
}
}
public void ShowJsonReport()
{
ServiceHistory sh1 = ServiceController.Instance.GetServiceHistorToJsonShowMess();
string Json = JsonConvert.SerializeObject(sh1);
MessageBox.Show(Json, "Json Document!");
}
private void btnSub_Click(object sender, EventArgs e)
{
ServiceHistory firstHistory;
ServiceHistory secondHistory;
string query1 = string.Format("SELECT * FROM dbo.ServiceHistory WHERE ID = {0}", int.Parse(this.cbFirst.Text));
DataTable data1 = DataProvider.Instance.ExecuteQuery(query1);
firstHistory = new ServiceHistory(data1.Rows[0]);
string query2 = string.Format("SELECT * FROM dbo.ServiceHistory WHERE ID = {0}", int.Parse(this.cbSecond.Text));
DataTable data2 = DataProvider.Instance.ExecuteQuery(query2);
secondHistory = new ServiceHistory(data2.Rows[0]);
this.txbDistance.Text = (firstHistory - secondHistory).ToString() + " km";
}