| [C#] This sample shows embedding from memory in an HTML email.
<%@ Page language="c#" Description="Email dotnetChart" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="aspNetEmail" %>
<%@ Import Namespace="dotnetCHARTING" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<script runat=server>
private void Page_Load(object sender, System.EventArgs e)
{
EmailMessage mail = new EmailMessage();
//set the mail server properties
mail.Server = "mail.yourserver.com";
mail.Subject = "Embedded Chart";
mail.To = "toaddress@domain.com";
mail.FromAddress = "fromaddress@domain.com";
mail.Body = "Please see the embedded chart for more information.";
//you may also need to set a username and password to send email
//mail.Username ="username";
//mail.Password = "pass";
//create the chart
dotnetCHARTING.Chart Chart = new dotnetCHARTING.Chart();
//Create some randon data to show in the chart
SeriesCollection SC = new SeriesCollection();
Random myR = new Random();
for(int a = 0; a < 4; a++)
{
Series s = new Series();
s.Name = "Series " + a;
for(int b = 0; b < 5; b++)
{
Element el = new Element();
el.Name = "E " + b;
el.YValue = myR.Next(50);
s.Elements.Add(el);
}
SC.Add(s);
}
// Set Different Colors for our Series
SC[0].DefaultElement.Color = Color.FromArgb(49,255,49);
SC[1].DefaultElement.Color = Color.FromArgb(255,255,0);
SC[2].DefaultElement.Color = Color.FromArgb(255,99,49);
SC[3].DefaultElement.Color = Color.FromArgb(0,156,255);
// Set the title.
Chart.Title="This chart was sent to " + mail.To;
// Change the shading mode
Chart.ShadingEffectMode = ShadingEffectMode.Two;
// 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";
// Set the directory where the images will be stored.
Chart.TempDirectory="temp";
// Set he chart size.
Chart.Width = 600;
Chart.Height = 350;
// Add the random data.
Chart.SeriesCollection.Add(SC);
//get the chart image bitmap
Bitmap bmp = Chart.GetChartBitmap();
//Convert the bitmap image to an array of bytes suitable for attachment from memory
MemoryStream imageStream = new MemoryStream();
bmp.Save(imageStream,System.Drawing.Imaging.ImageFormat.Png);
long len = imageStream.Length;
Byte [] imageBytes = new Byte[len+1];
imageStream.Position = 0;
int totalRead = imageStream.Read(imageBytes,0,(int)len);
imageStream.Close();
//Embed chart in email message
//assign the content-id value of 'chart1'. This can any alphanumeric string.
string html = "Here is the embedded chart<br><img src=\"cid:chart1\">";
mail.HtmlBodyPart = html;
//embed chart1
EmbeddedObject eo = new EmbeddedObject( "chart1.png", imageBytes, null, "image/png" );
eo.ContentID = "chart1";
mail.EmbedObject( eo );
mail.Send();
Response.Write( "Your message has been sent to "+ mail.To );
}
</script>
<html>
<head>
<title>.netCHARTING Chart Embedded Email Sample</title>
</head>
<body MS_POSITIONING="GridLayout">
<form id="dnChartEmail" method="post" runat="server">
</form>
</body>
</html> |