winform mschart Column chart not centering column on datapoint - c#

Hello I am having a hard time understanding how to get my column chart to be centered over the X-Axis label. IN the chart pic below you will see that I have columns based on 1/2 increments. For my positive series the data starts on the left and ends at the x-axis label. On my negative series the data starts at the x-axis label and continues to the right. How do I get these columns centered over the x-axis label. I don't understand why one series is displayed one way and the other series is displayed a different way.
Screen shot here:
http://i.imgur.com/QuAXUxr.png
Code is below
chartAreaDistributionHalfHour.Name = "ChartAreaDistributionHalfHour";
chartAreaDistributionHalfHour.AxisX.MajorGrid.LineColor = System.Drawing.Color.LightGray;
chartAreaDistributionHalfHour.AxisY.MajorGrid.LineColor = System.Drawing.Color.LightGray;
chartAreaDistributionHalfHour.AxisX.IntervalAutoMode = System.Windows.Forms.DataVisualization.Charting.IntervalAutoMode.VariableCount;
chartAreaDistributionHalfHour.AxisY.IntervalAutoMode = System.Windows.Forms.DataVisualization.Charting.IntervalAutoMode.VariableCount;
chartAreaDistributionHalfHour.AxisX.LabelAutoFitMaxFontSize = 7;
chartAreaDistributionHalfHour.AxisY.LabelAutoFitMaxFontSize = 7;
chartAreaDistributionHalfHour.AxisX.Title = "Distribution (Half-Hourly)";
chartAreaDistributionHalfHour.AxisY.Title = "Profit/Loss ($)";
chartAreaDistributionHalfHour.AxisY.IsMarginVisible = false;
seriesDistributionHalfHour.ChartArea = "ChartAreaDistributionHalfHour";
seriesDistributionHalfHour.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Column;
seriesDistributionHalfHour.Color = System.Drawing.Color.Green;
seriesDistributionHalfHour.Enabled = true;
seriesDistributionHalfHour.Name = "distributionHalfHour";
seriesDistributionHalfHourNegative.ChartArea = "ChartAreaDistributionHalfHour";
seriesDistributionHalfHourNegative.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Column;
seriesDistributionHalfHourNegative.Color = System.Drawing.Color.Red;
seriesDistributionHalfHourNegative.Enabled = true;
seriesDistributionHalfHourNegative.Name = "netLossDistributionHalfHour";
seriesDistributionHalfHourZeroLine.ChartArea = "ChartAreaDistributionHalfHour";
seriesDistributionHalfHourZeroLine.ChartType = System.Windows.Forms.DataVisualization.Charting.SeriesChartType.Line;
seriesDistributionHalfHourZeroLine.BorderDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Dash;
seriesDistributionHalfHourZeroLine.Color = System.Drawing.Color.Black;
seriesDistributionHalfHourZeroLine.Enabled = true;
seriesDistributionHalfHourZeroLine.Name = "netDistributionHalfHourZeroLine";
this.chartDistributionHalfHourGraph.Location = new System.Drawing.Point(17, 49);
this.chartDistributionHalfHourGraph.Name = "chartDistributionHalfHourGraph";
this.chartDistributionHalfHourGraph.BorderlineColor = System.Drawing.Color.Black;
this.chartDistributionHalfHourGraph.BorderlineDashStyle = System.Windows.Forms.DataVisualization.Charting.ChartDashStyle.Solid;
this.chartDistributionHalfHourGraph.Cursor = System.Windows.Forms.Cursors.Cross;
this.chartDistributionHalfHourGraph.Visible = false;
this.chartDistributionHalfHourGraph.Size = new System.Drawing.Size(1443, 694);
this.chartDistributionHalfHourGraph.TabIndex = 7;
this.chartDistributionHalfHourGraph.Text = "chart2";
this.chartDistributionHalfHourGraph.ChartAreas.Add(chartAreaDistributionHalfHour);
this.chartDistributionHalfHourGraph.Series.Add(seriesDistributionHalfHour);
this.chartDistributionHalfHourGraph.Series.Add(seriesDistributionHalfHourNegative);
this.chartDistributionHalfHourGraph.Series.Add(seriesDistributionHalfHourZeroLine);

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How to make line chart start from 0 X-Axis

I create a line chart, but I want to display the chart begin from 0 in X-axis.
How can I do this.
I try some method but still did not get what I want.
Chart1.ChartAreas[0].AxisX.Interval = 0;
Chart1.ChartAreas[0].AxisX.IsStartedFromZero = true;
Chart1.ChartAreas[0].AxisX.Minimum = 0;
Chart1.ChartAreas[0].AxisX.Crossing = 0;
This is what I do now
This is what I want
And one more, how can I set major and minor unit in the chart..?
my code here
protected void Page_Load(object sender, EventArgs e)
{
System.Drawing.Font axisFont = new System.Drawing.Font("Arial", 8, System.Drawing.FontStyle.Bold);
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Chart1.BorderlineWidth = 1;
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double[] ave = { 60.9, 0, 28.81, 7.27 };
double[] max = { 5167.72, 1.27, 4176.16, 2566.59 };
Chart1.Series["Series1"].ChartArea = "ChartArea1";
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Chart1.Series["Series3"].ChartArea = "ChartArea1";
Chart1.Series["Series1"].Points.AddXY("Step 1-2", max[0]);
Chart1.Series["Series2"].Points.AddXY("Step 1-2", ave[0]);
Chart1.Series["Series3"].Points.AddXY("Step 1-2", min[0]);
Chart1.Series["Series1"].Points.AddXY("Step 2-3", max[1]);
Chart1.Series["Series2"].Points.AddXY("Step 2-3", ave[1]);
Chart1.Series["Series3"].Points.AddXY("Step 2-3", min[1]);
Chart1.Series["Series1"].Points.AddXY("Step 3-4", max[2]);
Chart1.Series["Series2"].Points.AddXY("Step 3-4", ave[2]);
Chart1.Series["Series3"].Points.AddXY("Step 3-4", min[2]);
Chart1.Series["Series1"].Points.AddXY("Step 4-5", max[3]);
Chart1.Series["Series2"].Points.AddXY("Step 4-5", ave[3]);
Chart1.Series["Series3"].Points.AddXY("Step 4-5", min[3]);
String hour1 = "hh";
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Chart1.Series["Series1"].MarkerStyle = System.Web.UI.DataVisualization.Charting.MarkerStyle.Triangle;
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Chart1.Series["Series3"].MarkerSize = 15;
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Chart1.Series["Series3"].LegendText = "Min";
Chart1.Series["Series1"].Legend = "Legend1";
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Chart1.Series["Series2"].IsVisibleInLegend = true;
Chart1.Series["Series3"].IsVisibleInLegend = true;
//This part I try to make the graph start from 0 in X-axis but not work
//Chart1.ChartAreas[0].AxisX.Interval = 0;
//Chart1.ChartAreas[0].AxisX.IsStartedFromZero = true;
//Chart1.ChartAreas[0].AxisX.Minimum = 0;
//Chart1.ChartAreas[0].AxisX.Crossing = 0;
//Chart1.ChartAreas[0].AxisX.Minimum = 0;
//Chart1.ChartAreas[0].Position.Auto = false;
Chart1.ChartAreas[0].AxisX.TitleFont = axisFont;
Chart1.ChartAreas[0].AxisY.TitleFont = axisFont;
Chart1.ChartAreas[0].AxisX.Title = "Step";
Chart1.ChartAreas[0].AxisY.Title = "Time (" + hour1 + ")";
Chart1.ChartAreas[0].BackColor = System.Drawing.Color.AliceBlue;
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I had a similar issue, and found that the solution was to set the IsMarginVisible flag to false:
chart1.ChartAreas[0].AxisX.IsMarginVisible = false;
Hope this helps.

The Chart control decides by his own where to start the Axes, and more importantly where to end them, because it could create problems in displaying the points.
Say that you have a point in (-1,0), if you decided to start the X-Axis from 0 what should the chart control do? Display the series starting from unknown? Erase the point?
In your chart every point has 2 values, a string value for the X-Axis and a double for the Y-Axis.
The strings are stored in the chart in alphabetical order, and it also checks whether some are equals or not (so you don't have 3 *Step 1-3*s).
It also give the strings a position value, starting obviously from 0.
But what is the 0 position value string?
Answer: there is no 0 position value string possible.
In fact, if you try something like
Chart1.Series["Series1"].Points.AddXY(string.Empty, 1.0);
Chart1.Series["Series2"].Points.AddXY(string.Empty, 2.0);
Chart1.Series["Series3"].Points.AddXY(string.Empty, 3.0);
The chart control will automatically add a label for the empty string called 1, showing the position value.
The only way for setting major and minor unit in the chart is by adding or removing data from the chart.
Another workaround could be this:
Chart1.Series["SeriesMin"].Points.AddXY(0, max[0]);
Chart1.Series["SeriesAve"].Points.AddXY(0, ave[0]);
Chart1.Series["SeriesMax"].Points.AddXY(0, min[0]);
Chart1.Series["SeriesMin"].Points[0].AxisLabel = "Step 1-2";
Chart1.Series["SeriesAve"].Points[0].AxisLabel = "Step 1-2";
Chart1.Series["SeriesMax"].Points[0].AxisLabel = "Step 1-2";
Then you could add all your so far not working code
Chart1.ChartAreas[0].AxisX.Interval = 0;
Chart1.ChartAreas[0].AxisX.IsStartedFromZero = true;
Chart1.ChartAreas[0].AxisX.Minimum = 0;
Chart1.ChartAreas[0].AxisX.Crossing = 0;
Chart1.ChartAreas[0].AxisX.Minimum = 0;
//Chart1.ChartAreas[0].Position.Auto = false; //EXCEPT THIS ONE!!
Worked like a charm, exceedingly boring if you had to add more data not from a db.

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No matter what settings I try for ScaleView.MinSize and ScaleView.MinSizeType on AxisX, it always works like it is set to 1 Days
chartArea1.AxisX.Enabled = System.Windows.Forms.DataVisualization.Charting.AxisEnabled.True;
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chartArea1.AxisX.ScaleView.SmallScrollMinSizeType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Minutes;
chartArea1.AxisX.ScaleView.SmallScrollSize = 15D;
chartArea1.AxisX.ScaleView.SmallScrollSizeType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Minutes;
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chartArea1.AxisX2.ScaleView.SmallScrollSizeType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Minutes;
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chartArea1.AxisY.ScaleView.MinSize = 1D;
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chartArea1.AxisY.ScaleView.SmallScrollMinSizeType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Number;
chartArea1.AxisY.ScaleView.SmallScrollSize = 1D;
chartArea1.AxisY.ScaleView.SmallScrollSizeType = System.Windows.Forms.DataVisualization.Charting.DateTimeIntervalType.Number;
chartArea1.AxisY2.Enabled = System.Windows.Forms.DataVisualization.Charting.AxisEnabled.False;
chartArea1.CursorX.IsUserEnabled = true;
chartArea1.CursorX.IsUserSelectionEnabled = true;
chartArea1.CursorY.IsUserEnabled = true;
chartArea1.CursorY.IsUserSelectionEnabled = true;
AxisY with datatype float is working properly. Also SmallScrollSize on AxisX is working properly. But why is the ScaleView.MinSize troubeling me?

The problem was caused by cursor interval. This is set to 1 by default, therefore I could not select a smaller interval than 1 (day). By changing the interval to 0.01 (14.4 minutes), this is no longer a problem.
chartArea1.CursorX.Interval = 0.01D;

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chart1.ChartAreas[0].AlignmentStyle = AreaAlignmentStyles.All;
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chart1.ChartAreas[0].Position.X = 2;
chart1.ChartAreas[0].Position.Y = 10;
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//chart1.ChartAreas[0].AxisX.MinorTickMark.Enabled = true;
//chart1.ChartAreas[0].AxisX.MajorGrid.Enabled = true;
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chart1.ChartAreas[0].AxisX.IntervalAutoMode = IntervalAutoMode.VariableCount;
chart1.ChartAreas[0].AxisX.LabelStyle.Enabled = true;
//chart1.ChartAreas[0].AxisX.LabelStyle.Format = "hh:mm:ss";
chart1.ChartAreas[0].AxisY.LabelStyle.IsEndLabelVisible = true;
chart1.ChartAreas[0].InnerPlotPosition.Auto = false;
chart1.ChartAreas[0].InnerPlotPosition.X = 3;
chart1.ChartAreas[0].InnerPlotPosition.Y = 10;
chart1.ChartAreas[0].InnerPlotPosition.Width = 88;
chart1.ChartAreas[0].InnerPlotPosition.Height = 80;
chart1.ChartAreas[0].CursorX.IsUserEnabled = true;
chart1.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
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chart1.ChartAreas[0].CursorX.Position = 0;
chart1.ChartAreas[0].CursorX.Interval = 0;
chart1.ChartAreas[0].AxisX.ScrollBar.Size = 5;
chart1.ChartAreas[0].AxisX.ScrollBar.ButtonStyle = ScrollBarButtonStyles.SmallScroll;
chart1.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = true;
chart1.ChartAreas[0].AxisX.ScrollBar.BackColor = Color.LightGray;
chart1.ChartAreas[0].AxisX.ScrollBar.ButtonColor = Color.Gray;
chart1.ChartAreas[0].AxisX.ScrollBar.LineColor = Color.Black;
chart1.ChartAreas[0].AxisX.ScaleView.Zoomable = true;
}

I inadvertently found the answer when looking at the intervals. They stay visible now that I've add the following line of code.
chart1.ChartAreas[0].AxisX.IntervalType = DateTimeIntervalType.Days;

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