By anyway the update panel is not doing the job. So I am removing that from the code.
On Monday, 12 November 2012 19:51:19 UTC+1, Jishnu U wrote: > > Well from what i know Update panel just updates asp panel according to a > timer tick. Then data is populated using the getData() function. As I said > before I used Bortosky's Libs for using google chart in asp.net. So these > libs convert my ASP type data table to google type data table as seen in > Page_Load() > > > On Monday, 12 November 2012 19:33:26 UTC+1, asgallant wrote: >> >> What does an ASP update panel do? How is "fundata" getting populated? >> >> On Monday, November 12, 2012 1:10:26 PM UTC-5, Jishnu U wrote: >>> >>> Hi >>> I'm using Bortosky Google Visualisation Library >>> http://code.google.com/p/bortosky-google-visualization/ >>> to plot a line chart on my web page. I need to update the chart when I >>> new data is put into the data base, i tried using update panel. But it >>> doesnt work. Im doing this for the first time, if Im totally wrong.If so >>> How would I implement it.? >>> >>> Here is the code im working on: >>> >>> <asp:UpdatePanel ID="UpdatePanel3" runat="server" >>> UpdateMode="Conditional"> >>> <Triggers> >>> <asp:AsyncPostBackTrigger ControlID="Timer1" /> >>> </Triggers> >>> <contenttemplate> >>> >>> >>> <%@ Import Namespace = "WeatherLibrary" %> >>> >>> <script runat="server"> >>> protected void Page_Load(object sender, EventArgs e) >>> { >>> >>> Label1.Text = DateTime.Now.ToLongTimeString(); >>> >>> Label2.Text = DateTime.Now.ToLongDateString(); >>> PullData(); >>> >>> >>> var googleDataTable = new >>> Bortosky.Google.Visualization.GoogleDataTable(getData(0)); >>> >>> Page.ClientScript.RegisterStartupScript( >>> this.GetType(), "vis", string.Format("var fundata = {0};", >>> googleDataTable.GetJson()), true); >>> } >>> >>> >>> >>> System.Data.DataTable getData(int i) // a DataTable filled using a >>> custom library >>> { >>> var dt = new System.Data.DataTable(); >>> String[] sensorName = new String[] { "umtTemp1", "umtWindSpeed" }; >>> dt.Columns.Add("Time", typeof(System.String)).Caption = "Time >>> Stamp"; >>> dt.Columns.Add("Value", typeof(System.Double)).Caption = "Measured >>> Value"; >>> WeatherData wLib = new WeatherData(); >>> DateTime baseDate = DateTime.Today; >>> var format = "yyyy-MM-dd HH:mm:ss"; >>> >>> var now = DateTime.Now.ToString(format); >>> var frm = baseDate.AddHours(-1).ToString(format); >>> >>> >>> >>> var value = wLib.GetWeatherItemData(sensorName[i], frm, now).Value; >>> var time = wLib.GetWeatherItemData(sensorName[i], >>> frm,now).TimeStamp; >>> var k=0; >>> >>> for ( k = 0; k < value.Length; k++) >>> { >>> dt.Rows.Add(new object[] { time[k], Math.Round(value[k],1) }); >>> >>> } >>> >>> return dt; >>> } >>> >>> <script type="text/javascript" src="http://www.google.com/jsapi";></script> >>> <script type="text/javascript"> >>> google.load("visualization", "1", { "packages": ["corechart"] }); >>> google.setOnLoadCallback(function () { >>> var data = new google.visualization.DataTable(fundata, 0.5); >>> var chart = new >>> google.visualization.LineChart(document.getElementById("chart_div")); >>> chart.draw(data, { title: "Chart1", hAxis: { title: "Time Stamp" }, >>> vAxis: { title: "Measured Value"} }); >>> });</script> >>> </contenttemplate> >>> </asp:UpdatePanel> >>> >>> <div id="chart_div" style="width:100%; height: 500px;"></div> >>> >>> -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-visualization-api/-/dkGogPa0hWsJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-visualization-api?hl=en.
