public ActionResult DrawChart(int zoneid)
{
List <Audit> temp = ServiceAudit.getalllatestAuditsforZone(zoneid);
List <String> lastauditdates = new List <String>(temp.Count);
List <String> lastlevels = new List <String>(temp.Count);
DateTime workaroungtogetdate = new DateTime();
foreach (var item in temp)
{
lastlevels.Insert(0, item.FiveStarsLevel.ToString());
workaroungtogetdate = (DateTime)item.DateOfCompletion;
lastauditdates.Insert(0, workaroungtogetdate.ToString("dd/MM/yyyy"));
}
var myTheme = @"
<Chart BackColor=""#CECECE"" BackGradientStyle=""TopBottom"" BackSecondaryColor=""White"" BorderColor=""26, 59, 105"" BorderlineDashStyle=""Solid"" BorderWidth=""2"" Palette=""BrightPastel"">
<Series>
<series _Template_=""All"" BorderColor=""180, 26, 59, 105"" BorderWidth=""5"" CustomProperties=""LabelStyle=Outside"" IsValueShownAsLabel=""False"" />
</Series>
<ChartAreas>
<ChartArea Name=""Default"" _Template_=""All"" BackColor=""64, 165, 191, 228"" BackGradientStyle=""TopBottom"" BackSecondaryColor=""White"" BorderColor=""64, 64, 64, 64"" BorderDashStyle=""Solid"" ShadowColor=""Transparent"">
<AxisY>
<LabelStyle Format=""{#} ★"" />
</AxisY>
</ChartArea>
</ChartAreas>
<Legends>
<Legend _Template_=""All"" BackColor=""Transparent"" Font=""Trebuchet MS, 8.25pt, style=Bold"" IsTextAutoFit=""False"" />
</Legends>
<BorderSkin SkinStyle=""None"" />
</Chart>";
Chart chart;
if (lastlevels.Count == 1)
{
chart = new Chart(width: 800, height: 200, theme: myTheme)
.AddTitle("la courbe de tendance depuis le 1er audit 5 stars ")
.AddSeries(
chartType: "Bar",
//x & yValues must be of the same type to sync properly
xValue: lastauditdates,
yValues: lastlevels)
.SetYAxis(max: 5);
}
else
{
chart = new Chart(width: 800, height: 200, theme: myTheme)
.AddTitle("la courbe de tendance depuis le 1er audit 5 stars ")
.AddSeries(
chartType: "Line",
//x & yValues must be of the same type to sync properly
xValue: lastauditdates,
yValues: lastlevels)
.SetYAxis(max: 5);
}
return(File(chart.GetBytes("png"), "image/png"));
}
