this.Chart1.ChartAreas["Default"].AxisX.Interval = 1;
this.Chart1.ChartAreas["Default"].AxisX.LabelsAutoFit = true;
this.Chart1.ChartAreas["Default"].AxisX.LabelsAutoFitStyle = Dundas.Charting.WebControl.LabelsAutoFitStyle.WordWrap;
like this
this.Chart1.ChartAreas["Default"].AxisX.LabelsAutoFit = true;
this.Chart1.ChartAreas["Default"].AxisX.LabelsAutoFitStyle = Dundas.Charting.WebControl.LabelsAutoFitStyle.WordWrap;
like this