Gallery
Data Reader
<%@ Page Language="C#" trace="false" Description="dotnetCHARTING Component"%>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<script runat="server">
void Page_Load(Object sender,EventArgs e)
{
//set global properties
Chart.Title="Item sales report";
// Set the x axis label
Chart.ChartArea.XAxis.Label.Text="X Axis Label";
// Set the y axis label
Chart.ChartArea.YAxis.Label.Text="Y Axis Label";
Chart.TempDirectory="temp";
Chart.Debug=true;
Chart.TitleBox.Position = TitleBoxPosition.FullWithLegend;
//Adding series programatically
Chart.Series.Name = "Item sales";
SetData();
Chart.SeriesCollection.Add();
}
void SetData()
{
string connString = @"Provider=Microsoft.Jet.OLEDB.4.0;user id=admin;password=;data source=" + Server.MapPath("../../data/chartsample.mdb");
OleDbConnection conn = new OleDbConnection(connString);
string selectQuery = @"SELECT Name,Sum(Quantity) FROM Orders GROUP BY Orders.Name ORDER BY Orders.Name";
OleDbCommand myCommand = new OleDbCommand(selectQuery, conn);
conn.Open();
OleDbDataReader myReader= myCommand.ExecuteReader();
//set dataReader to data property
Chart.Series.Data = myReader;
//Cleanup
myReader.Close();
conn.Close();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Data Reader Sample</title>
</head>
<body>
<div style="text-align:center">
<dotnet:Chart id="Chart" runat="server"/>
</div>
</body>
</html>
<%@ Page Language="vb" trace="false" Description="dotnetCHARTING Component"%>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>
<script runat="server">
Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
'set global properties
Chart.Title="Item sales report"
' Set the x axis label
Chart.ChartArea.XAxis.Label.Text="X Axis Label"
' Set the y axis label
Chart.ChartArea.YAxis.Label.Text="Y Axis Label"
Chart.TempDirectory="temp"
Chart.Debug=True
Chart.TitleBox.Position = TitleBoxPosition.FullWithLegend
'Adding series programatically
Chart.Series.Name = "Item sales"
SetData()
Chart.SeriesCollection.Add()
End Sub
Sub SetData()
Dim connString As String = "Provider=Microsoft.Jet.OLEDB.4.0;user id=admin;password=;data source=" & Server.MapPath("../../data/chartsample.mdb")
Dim conn As OleDbConnection = New OleDbConnection(connString)
Dim selectQuery As String = "SELECT Name,Sum(Quantity) FROM Orders GROUP BY Orders.Name ORDER BY Orders.Name"
Dim myCommand As OleDbCommand = New OleDbCommand(selectQuery, conn)
conn.Open()
Dim myReader As OleDbDataReader= myCommand.ExecuteReader()
'set dataReader to data property
Chart.Series.Data = myReader
'Cleanup
myReader.Close()
conn.Close()
End Sub
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Data Reader Sample</title>
</head>
<body>
<div style="text-align:center">
<dotnet:Chart id="Chart" runat="server"/>
</div>
</body>
</html>
- Sample FilenamedataReader.aspx
- VersionLegacy (Pre 3.0)
- Uses DatabaseYes