Saving the teechart with all the information that was set

[Sandra]

Hello Venu,

Try to change property of labels of Axes, DateTimeFormat as do in next lines:

Code: Select all

webChart1.Chart.Axes.Bottom.Labels.DateTimeFormat = "MM/dd hh:mm";
            webCahrt1.Chart.Axes.Bottom.Increment = Steema.TeeChart.Utils.GetDateTimeStep(Steema.TeeChart.DateTimeSteps.OneDay);
            webChart1.Chart.Axes.Bottom.Labels.Angle = 90;

Could you tell us if previous lines of code solve your problem?

I hope will helps.

Thanks,

[HitachiSteema]

Hi Sandra,

Thanks for your reply. I already tried setting the dateTime format string but it displays the date as follows

11/21/2010 12:00:00 AM
11/21/2010 12:00:00 PM
11/22/2010 12:00:00 AM
11/22/2010 12:00:00 PM......as follows

I have a DateTime variable which has both date and time value in it.
code snippet
ltTrend is the line series chart
ltd.DETMEDIANTREND.STORETS - datetime type( this has both date & time value I want to display this exact value in the bottom axis. I dont want to use any Enumerabels like DateTimeSteps)
ltd.DETMEDIANTREND.MEDIALLT - double type

ltTrend.Series[0].Add(ltd.DETMEDIANTREND.STORETS, ltd.DETMEDIANTREND.MEDIALLT);
ltTrend.Series[0].XValues.DateTime = true;

see the atachtment for reference.

Thanks,Venu

[Sandra]

Hello Venu,

Ok.I recommend that customize labels of bottom axis as do in next example:

Code: Select all

    {
        InitializeChart();
    }
    Steema.TeeChart.Styles.Line Series1;
    Steema.TeeChart.Tools.ZoomTool tool1;
    System.IO.MemoryStream tmpChart;
    protected void InitializeChart()
    {
        Steema.TeeChart.Chart ch1;// = WebChart1.Chart;
        tmpChart = new System.IO.MemoryStream();
        if (Session["ch1"] == null)
        {
            ch1 = WebChart1.Chart;
            tool1 = new Steema.TeeChart.Tools.ZoomTool(WebChart1.Chart);
            tool1.ZoomPenColor = System.Drawing.Color.OliveDrab;
            ch1.Panel.Gradient.Visible = false;
            ch1.Walls.Visible = false;
            Series1 = new Steema.TeeChart.Styles.Line(ch1);
            Random rnd = new Random();
            DateTime today = DateTime.Today;
            TimeSpan oneDay = TimeSpan.FromMinutes(30);
            Series1.XValues.DateTime = true;
            for (int i = 0; i < 10; ++i)
            {
                Series1.Add(today, rnd.Next(100), System.Drawing.Color.Red);
                today += oneDay;
            }
            ch1.Axes.Bottom.Labels.Items.Clear();
            for (int j = 0; j < Series1.Count; j++)
            {
                ch1.Axes.Bottom.Labels.Items.Add(Series1.XValues[j], DateTime.FromOADate(Series1.XValues[j]).ToString());

            }
            ch1.Axes.Bottom.Labels.Angle = 90;        
            ch1.Export.Template.Save(tmpChart);
            //save template to a Session variable
            Session.Add("ch1", tmpChart);
        }
        else
        {
            //retrieve the session stored Chart
            tmpChart = (System.IO.MemoryStream)Session["ch1"];
           //set the Stream position to 0 as the last read/write
          //will have moved the position to the end of the stream
            tmpChart.Position = 0;
           //import saved Chart
            WebChart1.Chart.Import.Template.Load(tmpChart);
            WebChart1.Chart.Axes.Bottom.Increment = Steema.TeeChart.Utils.GetDateTimeStep(Steema.TeeChart.DateTimeSteps.ThirtyMinutes);
            CheckZoom(WebChart1);
        }

    }

    private void CheckZoom(Steema.TeeChart.Web.WebChart wChart)
    {
        System.Collections.ArrayList zoomedState = (System.Collections.ArrayList)Session[wChart.ID + "Zoomed"];
        zoomedState = ((Steema.TeeChart.Tools.ZoomTool)wChart.Chart.Tools[0]).SetCurrentZoom(Request,
           zoomedState);
        // System.Drawing.Bitmap bmp = WebChart1.Chart.Bitmap((int)wChart.Width.Value, (int)wChart.Height.Value);

        if (zoomedState == null)
        {
            Session.Remove(wChart.ID + "Zoomed");
        }
        else
        {
            Session.Add(wChart.ID + "Zoomed", zoomedState);

        }
    }

If previous code doesn't work as you like, let me know.

I hope will helps.

Thanks,

[Captell]

Hi All,
I'm interested in the resolution to the legend checkbox issue. A couple of my clients are having problems with this and would like to be able to toggle series on and off in the legend. Sandra, you mentioned that this would be fixed soon, any update on when it is likely to be resolved? I don't want to implement custom code to resolve this issue if it is going to be resolved in the component by you guys soon.

Thanks.

Adrian.

[Sandra]

Hello Captell,

Sorry for the delay, but we are doing many test about this item and we have to evaluate if the solutions we have achieved are the best to inclusion in next maintenance release of TeeChart.Net, we are preparing.
When we will achieve implement a good solution to item of check boxes we inform you immediately in this thread.

Thanks,

[Captell]

Thanks for the update, I'm looking forward to a resolution to this issue in a near future release.

[HitachiSteema]

Hi Sandra,

Sry for the long delay. I was into another work which made me not to work on the issue which I reported for few days.I am back into this issue and it seems many of them want this legend toggle as well as the previous issue which needs be working in the .net tee chart version. So please let us know when can we expect the solution.
Thanks,Venu

[HitachiSteema]

Hi Steema Team,

I would like to post a question on .net tee chart series collection.

I have a tee chart in a asp.net web page with 5 line series on it. I also have other standarad asp controls on the web page with its Autopostback property enabled. I also have few Ajax controls which also has the Autopostback enabled.

In the Page_load function I have initialized the tee chart with an variable like

WebChart1 is the id of the tee chart on the aspx page (<tchart:webchart id="WebChart1">
Steema.TeeChart.Chart t1 = new Steema.TeeChart.Chart()
Protected Page_Load(object sender, Eventargs e)
{
t1 = WebChart1.Chart;
}

if I am not doing this initialize on the page_load I am unable to use the tee chart series as the series collection count is set to zero. So for each control since the Autopostback is set to true the page_load gets called and the t1 is keep initalizing everytime with series collection. if this is not happening the series collection count is set to zero. Why this is happening.
I tried using the Cache to store the teechat object at the time of initialization but when I try to reuse it the series collection count is set to zero.

I dont want to use the Session as I am suing WebMethods in asp.net to call the server side function in the client script.

Say for e.g
Now I have a external .js file which creates has a input tag of type button like below
<input type="button" runat="server" value="submit" style="width:116pt; height:23pt; border:none; background: transparent url(Copy of Exportout_.PNG) no-repeat center center; " id="btnclick" onclick="submitclick();" />

in the SubmitClick funstion I call a server side function and I tried to reuse the Cache variable. the object is still alive and has all other attribute values but when I see the series collection count it is set to zero and because of this I am not able to use plot the tee chart with the values.
Can you please help me on it..

Thanks,Venu

[Sandra]

Hello Venu,

Sorry for the delay. Could you please try to arrange a simple example project we can run as-is to reproduce the problem here? So we can help you to solve your problem

Thanks,

[HitachiSteema]

Hi Sandra,

Thanks. I solved the last posted question. I and everyone need to get solution on the question I posted earlier on the legend box enable/disable should add/remove the series in the web chart.
When can we get the solution?
Thanks,Venu

[Sandra]

Hello Venu,

Sorry for the delay. At the moment, I can't still provide an estimate date. We have made many tests but seems behavior of checkboxes it still is not quite good. When we will achieve implement a good solution to item of check boxes we inform you immediately in this thread.
Moreover, I recommend you to be aware at this forums board, our RSS news feed, twitter or facebook accounts for new release announcements and what's implemented on them.

Thanks,

[Marc]

For this issue: http://www.teechart.net/support/viewtop ... 767#p50767 please see proposed coded solution here http://bugs.teechart.net/show_bug.cgi?id=388

Regards,
Marc Meumann