JS Dynamic Styling Updates
Demonstrates manipulating the chart in real-time through Javascript.
<%@ Page Language="C#" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dnc" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<script runat="server">
void Page_Load(Object sender, EventArgs e)
{
// Demonstrates manipulating the chart in real-time through Javascript.
Chart.Size = "500x350";
//Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp";
Chart.Debug = false;
Chart.DefaultSeries.Type = SeriesType.Line;
Chart.LegendBox.Visible = false;
// Enable JSCharting
Chart.JS.Enabled = true;
Chart.JS.ControlID = "JscChart";
// Set IDs for the axes so they can be referenced in JS.
Chart.XAxis.JsID = "axx";
Chart.YAxis.JsID = "axy";
// *DYNAMIC DATA NOTE*
// This sample uses random data to populate the chart. To populate
// a chart with database data see the following resources:
// - Use the getLiveData() method using the dataEngine to query a database.
// - Help File > Getting Started > Data Tutorials
// - DataEngine Class in the help file
// - Sample: features/DataEngine.aspx
SeriesCollection mySC = getRandomData();
// Add the random data.
Chart.SeriesCollection.Add(mySC);
}
SeriesCollection getRandomData()
{
Random myR = new Random(1);
SeriesCollection SC = new SeriesCollection();
DateTime dt = new DateTime(2011, 1, 2);
Series s = new Series("Series 1");
for (int b = 1; b < 15; b++)
{
Element e = new Element();
e.XDateTime = dt = dt.AddDays(1);
e.YValue = myR.Next(50) * (b * 1.5);
s.Elements.Add(e);
}
SC.Add(s);
return SC;
}
SeriesCollection getLiveData()
{
DataEngine de = new DataEngine(ConfigurationManager.AppSettings["DNCConnectionString"]);
de.ChartObject = Chart; // Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ....";
return de.GetSeries();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
<style type="text/css">
div, p
{
font-family: Arial, Helvetica, sans-serif;
font-size: x-small;
}
#rangeText
{
width: 636px;
}
</style>
</head>
<script type="text/javascript">
var chartID = "JscChart", titleA = true,
markerA = true;
function doRescale() {
if (titleA) {
JscChart.axes('axx').zoom(new Date(2011, 0, 2), new Date(2011, 0, 8));
titleA = false;
}
else {
//Reset Zoom
JscChart.axes('axx').zoom();
titleA = true;
}
}
function doRemarker() {
if (markerA) {
JscChart.axes('axx').markers.add({
value: [new Date(2011, 0, 2), new Date(2011, 0, 5)],
color: '#ACFFC5',
id: 'am1'
});
markerA = false;
}
else {
JscChart.axes('axx').markers('am1').remove();
markerA = true;
}
}
function getScale() {
var range = JscChart.axes('axx').getRange();
var dti = new Date();
if (typeof range.min === 'object') {
dti = range.min;
} else {
dti.setTime(parseInt(range.min));
}
var dta = new Date();
if (typeof range.max === 'object') {
dta = range.max;
} else {
dta.setTime(parseInt(range.max));
}
rangeText.value = dti + " - " + dta;
}
function getDataScale() {
var range = JscChart.axes('axy').getRange();
rangeText.value = range.dataMin + " - " + range.dataMax;
}
</script>
<body>
<div align="center">
<dnc:Chart ID="Chart" runat="server" />
<input id="tButton" type="button" onclick="doRescale();" value="Toggle Scale" />
<input id="amButton" type="button" onclick="doRemarker();" value="Add/Remove AxisMarker" />
<input id="sButton" type="button" onclick="getScale();" value="Get X Range" />
<input id="Button1" type="button" onclick="getDataScale();" value="Get Y Range" />
<br />
<input id="rangeText" type="text" />
</div>
</body>
</html>
<%@ Page Language="vb" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dnc" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
' Demonstrates manipulating the chart in real-time through Javascript.
Chart.Size = "500x350"
'Chart.Title = ".netCHARTING Sample";
Chart.TempDirectory = "temp"
Chart.Debug = False
Chart.DefaultSeries.Type = SeriesType.Line
Chart.LegendBox.Visible = False
' Enable JSCharting
Chart.JS.Enabled = True
Chart.JS.ControlID = "JscChart"
' Set IDs for the axes so they can be referenced in JS.
Chart.XAxis.JsID = "axx"
Chart.YAxis.JsID = "axy"
' *DYNAMIC DATA NOTE*
' This sample uses random data to populate the chart. To populate
' a chart with database data see the following resources:
' - Use the getLiveData() method using the dataEngine to query a database.
' - Help File > Getting Started > Data Tutorials
' - DataEngine Class in the help file
' - Sample: features/DataEngine.aspx
Dim mySC As SeriesCollection = getRandomData()
' Add the random data.
Chart.SeriesCollection.Add(mySC)
End Sub
Function getRandomData() As SeriesCollection
Dim myR As Random = New Random(1)
Dim SC As SeriesCollection = New SeriesCollection()
Dim dt As DateTime = New DateTime(2011, 1, 2)
Dim s As Series = New Series("Series 1")
For b As Integer = 1 To 14
Dim e As Element = New Element()
dt = dt.AddDays(1)
e.XDateTime = dt
e.YValue = myR.Next(50) * (b * 1.5)
s.Elements.Add(e)
Next b
SC.Add(s)
Return SC
End Function
Function getLiveData() As SeriesCollection
Dim de As DataEngine = New DataEngine(ConfigurationManager.AppSettings("DNCConnectionString"))
de.ChartObject = Chart ' Necessary to view any errors the dataEngine may throw.
de.SqlStatement = "SELECT XAxisColumn, YAxisColumn FROM ...."
Return de.GetSeries()
End Function
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>.netCHARTING Sample</title>
<style type="text/css">
div, p
{
font-family: Arial, Helvetica, sans-serif;
font-size: x-small;
}
#rangeText
{
width: 636px;
}
</style>
</head>
<script type="text/javascript">
var chartID = "JscChart", titleA = true,
markerA = true;
function doRescale() {
if (titleA) {
JscChart.axes('axx').zoom(new Date(2011, 0, 2), new Date(2011, 0, 8));
titleA = false;
}
else {
//Reset Zoom
JscChart.axes('axx').zoom();
titleA = true;
}
}
function doRemarker() {
if (markerA) {
JscChart.axes('axx').markers.add({
value: [new Date(2011, 0, 2), new Date(2011, 0, 5)],
color: '#ACFFC5',
id: 'am1'
});
markerA = false;
}
else {
JscChart.axes('axx').markers('am1').remove();
markerA = true;
}
}
function getScale() {
var range = JscChart.axes('axx').getRange();
var dti = new Date();
if (typeof range.min === 'object') {
dti = range.min;
} else {
dti.setTime(parseInt(range.min));
}
var dta = new Date();
if (typeof range.max === 'object') {
dta = range.max;
} else {
dta.setTime(parseInt(range.max));
}
rangeText.value = dti + " - " + dta;
}
function getDataScale() {
var range = JscChart.axes('axy').getRange();
rangeText.value = range.dataMin + " - " + range.dataMax;
}
</script>
<body>
<div align="center">
<dnc:Chart ID="Chart" runat="server" />
<input id="tButton" type="button" onclick="doRescale();" value="Toggle Scale" />
<input id="amButton" type="button" onclick="doRemarker();" value="Add/Remove AxisMarker" />
<input id="sButton" type="button" onclick="getScale();" value="Get X Range" />
<input id="Button1" type="button" onclick="getDataScale();" value="Get Y Range" />
<br />
<input id="rangeText" type="text" />
</div>
</body>
</html>
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