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    <p>A collection with one item will have incorrect behavior in several places of your code.</p> <p>Here <code>graphSpan</code> will equal zero:</p> <pre><code>TimeSpan graphSpan = res.Values.ToList().Last().Key - res.Values.ToList().First().Key; </code></pre> <p>And here <code>Maximum</code> and <code>Minimum</code> will be the same:</p> <pre><code>lineSeries.IndependentAxis = new DateTimeAxis { Minimum = res.Values.ToList().First().Key, Maximum = res.Values.ToList().Last().Key, </code></pre> <p>I suggest that you add another if-block and construct a different axis for the special case when the collection has only 1 item.</p> <pre><code>var values = res.Values.ToList(); TimeSpan graphSpan = values.Last().Key - values.First().Key; if (graphSpan == TimeSpan.Zero) { lineSeries.IndependentAxis = new DateTimeAxis { Orientation = AxisOrientation.X, Location = AxisLocation.Bottom }; } else { lineSeries.IndependentAxis = new DateTimeAxis { Minimum = values.First().Key, Maximum = values.Last().Key, Orientation = AxisOrientation.X, Location = AxisLocation.Bottom }; if (graphSpan &gt; monthSpan) { ((DateTimeAxis)lineSeries.IndependentAxis).IntervalType = DateTimeIntervalType.Days; ((DateTimeAxis)lineSeries.IndependentAxis).Interval = 5; } else if (graphSpan &gt; daySpan &amp;&amp; graphSpan &lt; monthSpan) { ((DateTimeAxis)lineSeries.IndependentAxis).IntervalType = DateTimeIntervalType.Days; ((DateTimeAxis)lineSeries.IndependentAxis).Interval = 1; } else if (graphSpan &gt; hourSpan &amp;&amp; graphSpan &lt; daySpan) { ((DateTimeAxis)lineSeries.IndependentAxis).IntervalType = DateTimeIntervalType.Hours; ((DateTimeAxis)lineSeries.IndependentAxis).Interval = 1; } else if (graphSpan &lt; hourSpan) { ((DateTimeAxis)lineSeries.IndependentAxis).IntervalType = DateTimeIntervalType.Minutes; ((DateTimeAxis)lineSeries.IndependentAxis).Interval = 15; } else { //sometimes all comparisons fail, just back up to a safe interval of 1 day. ((DateTimeAxis)lineSeries.IndependentAxis).IntervalType = DateTimeIntervalType.Days; ((DateTimeAxis)lineSeries.IndependentAxis).Interval = 1; } } </code></pre>
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    1. COAwesome, I'll try this code
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    2. COWell, it didn't work, but it's still better code than I came up with
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    3. CO@Erwin Yes it works, I tested it with an empty solution by using a collection of 1 item.
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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