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How to refresh chart?


lilatracy
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I use Chartfx in an application that shows data from a database. Values are logged into database every few seconds by other software. The chart should be refreshed time after time by pressing a button. How should I do this? When I press the button:

- I reset the chart with chart1.reset

- I create a new Dataset out of the database and bind it to the Chart with: Chart1.DataSource = ds.Tables(0) .

<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

 

But chart1.reset isn't the right usage for this, isn't it? Because all chart settings will be lost.

 

If I use only chart1.refresh I get the VisualStudio-Error message:

ArgumentOutOfRangeException was unhandled: Specified argument was out of the range of valid values Parameter name: series.

 

What is wrong? Can you explain to me?

 

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If I press my refresh button then there will be the following items:

Call readDataFromDatabase

Chart1.Data.Clear()

If Not bDBErr Then Chart1.DataSource = ds.Tables(0)

But if I do it like this there will be an Error: ArgumentOutOfRangeException with the following description

Specified argument was out of the range of valid values.Parameter name: series

So what is wrong?

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