I am generating a chart which combines server side data with client side data. The client side data cannot be sent to the server, so I must use setDataXml. I was able to get my chart to display French accents properly using setDataUrl and setting the content type and binary writing the BOM as below.
Response.ContentType = "text/xml; characterset=utf-8";
Response.BinaryWrite(new byte[] { 0xEF, 0xBB, 0xBF });
However, I haven't been able to get this to display correctly using setDataXml, where the xml is constructed in JavaScript on the client. VisualStudio appears to be saving everything as UTF-8 with signature, and I have opened and saved the relevant files using Notepad and UTF-8. I have also tried setting the headers in Page_Load in the code behind.
protected void Page_Load(object sender, EventArgs e)
{
Response.ContentType = "text/html; characterset=utf-8";
//Response.HeaderEncoding = System.Text.Encoding.UTF8;
Response.BinaryWrite(new byte[] { 0xEF, 0xBB, 0xBF });
}
Any ideas? This is an older version of PowerCharts (we are considering upgrading for other reasons), but it does work with setDataUrl.
