private void GetPriceHistory(string strTicker)
{
DataTier data = new DataTier();
DataTable priceData = data.GetFullPriceHistory(strTicker, 20);
grdPriceHistory.DataSource = priceData;
grdPriceHistory.DataBind();
}
protected void ZedGraphWeb1_RenderGraph(System.Drawing.Graphics g, ZedGraph.MasterPane mPane)
{
int nDays = 0;
int nRows = 0;
GraphPane pane = mPane[0];
PointPairList pt = new PointPairList();
double nx;
double ny;
string days = (string)Page.Request.Params["days"];
string ticker = (string)Page.Request.Params["ticker"];
if (ticker != null)
{
ticker = ticker.Trim();
DataTier theDataTier = new DataTier();
if (days == null)
{
nDays = 0;
}
else
{
nDays = Convert.ToInt32(days);
}
DataTable dtTable = theDataTier.GetFullPriceHistory(ticker, nDays);
nRows = dtTable.Rows.Count;
for (int i = 1; i < nRows; i++)
{
ny = Convert.ToDouble(dtTable.Rows[i].ItemArray[1]);
XDate tmpDate = new XDate(Convert.ToDateTime(dtTable.Rows[i].ItemArray[0]));
nx = (double)tmpDate;
pt.Add(nx, ny);
}
pane.XAxis.Type = AxisType.Date;
pane.XAxis.GridDashOff = 0;
LineItem priceCurve = pane.AddCurve("Closing Price", pt, Color.SlateBlue, SymbolType.None);
priceCurve.Line.Width = 2.0F;
pane.AxisFill = new Fill(Color.White, Color.AntiqueWhite);
pane.XAxis.MinGrace = 0;
pane.XAxis.MaxGrace = 0;
pane.YAxis.MinGrace = 0;
pane.YAxis.MaxGrace = 0;
pane.AxisChange(g);
}
}
protected void ZedGraphWeb1_RenderGraph(System.Drawing.Graphics g, ZedGraph.MasterPane mPane)
{
int nDays = 0;
int nRows = 0;
GraphPane pane = mPane[0];
string days = (string)Page.Request.Params["days"];
string ticker = (string)Page.Request.Params["ticker"];
if (ticker != null)
{
ticker = ticker.Trim();
DataTier theDataTier = new DataTier();
if (days == null)
{
nDays = 0;
}
else
{
nDays = Convert.ToInt32(days);
}
DataTable dtTable = theDataTier.GetFullPriceHistory(ticker, nDays);
nRows = dtTable.Rows.Count;
double[] nx = new double[nRows - 1];
double[] ny = new double[nRows - 1];
double[] bbh = new double[nRows - 1];
double[] bbl = new double[nRows - 1];
double[] pht = new double[20];
int nIndex = 0;
for (int i = nRows - 1; i > 0; i--)
{
ny[nIndex] = Convert.ToDouble(dtTable.Rows[i].ItemArray[1]);
XDate tmpDate = new XDate(Convert.ToDateTime(dtTable.Rows[i].ItemArray[0]));
nx[nIndex] = (double)tmpDate;
if (nIndex > 20)
{
int x = 0;
for (int n = nIndex - 20; n < nIndex; n++)
{
pht[x] = ny[n];
x++;
}
bbh[nIndex] = GetAverage(pht) + (2 * GetStandardDeviation(pht));
bbl[nIndex] = GetAverage(pht) - (2 * GetStandardDeviation(pht));
}
else
{
bbh[nIndex] = ny[nIndex];
bbl[nIndex] = ny[nIndex];
}
nIndex++;
}
pane.XAxis.Type = AxisType.Date;
pane.XAxis.GridDashOff = 0;
pane.AddCurve("Closing Price", nx, ny, Color.SlateBlue, SymbolType.None);
pane.AddCurve("High BB", nx, bbh, Color.Red, SymbolType.None);
pane.AddCurve("Low BB", nx, bbl, Color.Red, SymbolType.None);
pane.AxisFill = new Fill(Color.White, Color.AntiqueWhite);
Axis.Default.MinGrace = 0;
Axis.Default.MaxGrace = 0;
pane.AxisChange(g);
}
}