private void btnHaltestellen_Click(object sender, EventArgs e)
{
grdView.Rows.Clear();
diag = null;
diaglg = null;
panRight.Controls.Clear();
List <XYPoint> werte = null;
DiagParam mp = new DiagParam("", "");
mp.setcRahmenfarbe(Color.Black);
Kurve curve4 = new Kurve();
// SQLiteConnection.CreateFile("MyDatabase.sqlite");
if (dbKind == DatabaseKind.dbSqlite)
{
SQLiteConnection m_dbConnection;
SQLiteDataReader reader = null;
m_dbConnection = new SQLiteConnection("Data Source=bahnhoefe.db");
m_dbConnection.Open();
String xf = "select name,breite,laenge from haltestellen";
SQLiteCommand command = new SQLiteCommand(xf, m_dbConnection);
try
{
reader = command.ExecuteReader();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
String[] columnNames = new String[2];
columnNames[0] = "Breite";
columnNames[1] = "Laenge";
werte = new List <XYPoint>();
while (reader.Read())
{
XYPoint p = new XYPoint();
string sname = reader.GetString(0);
p.setstr(sname);
string sx = reader.GetString(2);
string sy = reader.GetString(1);
sx.Replace(',', '.');
sy.Replace(',', '.');
double dx = Convert.ToDouble(sx);
double dy = Convert.ToDouble(sy);
p.setX(dx);
p.setY(dy);
if (!(((p.getX() < 1) || (p.getX() > 40) || (p.getY() < 40) ||
(p.getY() > 60))))
{
werte.Add(p);
int nRow = grdView.Rows.Add();
DataGridViewRow grdRow = grdView.Rows[nRow];
DataGridViewCellCollection grdCell = grdRow.Cells;
grdCell[0].Value = nRow.ToString();
grdCell[1].Value = sname;
grdCell[2].Value = sx;
grdCell[3].Value = sy;
}
}
reader.Close();
}
else if (dbKind == DatabaseKind.dbAccess)
{
OleDbConnection con = new OleDbConnection();
OleDbCommand cmd = new OleDbCommand();
OleDbDataReader reader;
con.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
"Data Source=Haltestellen.accdb";
cmd.Connection = con;
cmd.CommandText = "SELECT name,breite,laenge FROM D_Bahnhof_2017_09";
try
{
con.Open();
reader = cmd.ExecuteReader();
werte = new List <XYPoint>();
while (reader.Read())
{
XYPoint p = new XYPoint();
string sname = reader.GetString(0);
p.setstr(sname);
double dx = reader.GetDouble(2);
double dy = reader.GetDouble(1);
//sx.Replace(',', '.');
//sy.Replace(',', '.');
//double dx = Convert.ToDouble(sx);
//double dy = Convert.ToDouble(sy);
p.setX(dx);
p.setY(dy);
if (!(((p.getX() < 1) || (p.getX() > 40) || (p.getY() < 40) ||
(p.getY() > 60))))
{
werte.Add(p);
int nRow = grdView.Rows.Add();
DataGridViewRow grdRow = grdView.Rows[nRow];
DataGridViewCellCollection grdCell = grdRow.Cells;
grdCell[0].Value = nRow.ToString();
grdCell[1].Value = sname;
grdCell[2].Value = dx.ToString();
grdCell[3].Value = dy.ToString();;
}
}
reader.Close();
con.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
curve4.setParser(null);
curve4.setKurvenart(Punktform.DICKER_PUNKT);
curve4.setKurvenfarbe(Color.Red);
curve4.setXEinheit("Längengrade");
curve4.setYEinheit("Breitengrade");
curve4.setFktText("");
curve4.setWerte(werte);
curve4.bestimmeMinMaxWerte();
/*
* if (radNurDatum.isSelected())
* curve4.setDatumart(Datumart.NurDatum);
* else if (radNurZeit.isSelected())
* curve4.setDatumart(Datumart.NurZeit);
* else if (radZeitDatum.isSelected())
* curve4.setDatumart(Datumart.DatumUndZeit);
*/
curvesht = new List <Kurve>();
curvesht.Add(curve4);
diaght = new Diagramm(5, 16, 47, 56, curvesht, mp);
diaght.ShowSpecialValuesString = "Hbf";
diaght.ShowSpecialValuesColor = Color.Blue;
diaght.ShowSpecialValues = true;
//pan.Refresh();
double dxmin = curve4.getxMin();
double dxmax = curve4.getxMax();
double dymin = curve4.getyMin();
double dymax = curve4.getyMax();
diaght.setxRaster(true);
diaght.setyRaster(true);
//diaght.set
curve4.bestimmeMinMaxWerte();
/*
* diaght.setxMin(0.0);
* diaght.setxMax(20);
* diaght.setyMin(40);
* diaght.setyMax(70);
*/
diaght.setxMin(curve4.getxMin());
diaght.setxMax(curve4.getxMax());
diaght.setyMin(curve4.getyMin());
diaght.setyMax(curve4.getyMax());
diaght.BackColor = Color.LightGreen;
diaght.HintColor = Color.Black;
diaght.WithShowString = true;
//diag.Refresh();
panRight.Controls.Add(diaght);
}