How to implement the pie chart line chart of C # drawing

This paper is an example of how to implement the pie chart line chart of C # drawing, which is a very practical technique in C # programming. Share to everyone for your reference. The specific methods are analyzed as follows:

The control that displays the image is defined as follows:

Public PlaceHolder PlaceHolder1;

The category names for each image are as follows:

PictureType Figure Type 5 chcharttypebarclustered clustered bar 0 NULL

PictureType Figure Type 7 chcharttypebarclustered3d three-dimensional clustered bar 0 NULL

PictureType Graphic type 6 chcharttypebarstacked stacked bar Figure 0 NULL

PictureType Figure type 8 chcharttypebarstacked3d three-dimensional stacked bar 0 NULL

PictureType graphic Type 1 chcharttypecolumnclustered clustered column Figure 0 NULL

PictureType graphic Type 3 chChartTypeColumnClustered3D three-dimensional clustered column figure 0 NULL

PictureType Figure Type 2 chcharttypecolumnstacked stacked histogram 1 NULL

PictureType graphic Type 4 chcharttypecolumnstacked3d three-dimensional stacked column Figure 0 NULL

PictureType graphic type Chcharttypeline line figure 0 NULL

PictureType Figure type Chcharttypelinemarkers data point line 0 NULL

PictureType Figure type chcharttypelinestacked stacked line 0 NULL

PictureType Figure type Chcharttypelinestackedmarkers stacked data point line 0 NULL

PictureType Graphics Category Chcharttypepie pie chart 1 NULL

PictureType Graphics category Chcharttypepie3d Three-dimensional pie chart 0 NULL

PictureType Graphics category chcharttypepieexploded Split pie figure 0 NULL

PictureType Graphics category Chcharttypepieexploded3d split three-dimensional pie chart 0 NULL

PictureType Graphic Type 9 Chcharttypesmoothline smoothing line Figure 0 NULL

PictureType graphic Type chcharttypesmoothlinemarkers data point smoothing line figure 0 NULL

PictureType graphic Type one by one chcharttypesmoothlinestacked stacking smooth line figure 0 NULL

PictureType graphic type chcharttypesmoothlinestackedmarkers stacked data smoothing line Figure 0 NULL

Here's how to take an image:

</summary>///<param name= "DBDTVIEWWRK" > Data passed </param>///<param name= "StrAbsolutePath" > Absolute path </param>///<param name= "Strrelativepath" > Relative path </param>///<param name= "ChartType" > The chart format to be drawn (pie chart or line chart, etc.) </param>///<param name= "strtitle" > Statistic name </param>public void Painttoimage ( DataTable dbdtviewwrk, String Strabsolutepath, String Strrelativepath, ChartChartTypeEnum ChartType, String strtitle) {s  Tring Strseriesname = "Legend";  Storage Item string[] Itemsname = new String[dbdtviewwrk.rows.count];  Storage data string[] Itemscount = new String[dbdtviewwrk.rows.count];  Scale unit int iunit = 1;  Maximum value int imaxvalue = 0;  string strxdata = String.Empty; string strydata = String.Empty; An array assignment for (int i = 0; i < DbDtViewWrk.Rows.Count; i++) {itemsname[i] = dbdtviewwrk.rows[i][0]. ToString (); The field name to be counted itemscount[i] = dbdtviewwrk.rows[i][5].  ToString ();//The field data to be counted}//Specify a specific string for the x-axis to display the data//String strxdata = String.Empty; foreach (String strdatA in Itemsname) {Strxdata + = strdata + "\ T";  }//String strydata = String.Empty; Specify a specific string for the y-axis so that the x-axis corresponds to foreach (String strvalue in Itemscount) {Strydata + = strvalue + "\ T"; if (int. Parse (strvalue) > Imaxvalue) {imaxvalue = Int. Parse (strvalue);  }} if (Imaxvalue >) {iunit = IMAXVALUE/10;  }//Create ChartSpace object to place the chart chartspace layspace = new Chartspaceclass ();  Add a chart to the ChartSpace object ChChart insertchart = laySpace.Charts.Add (0);  Base Color InsertChart.PlotArea.Interior.Color = "white"; Specifies the type of chart to draw.  The type can be owc.chartcharttypeenum enumerated by the Insertchart.type = charttype;//Column chart//Specifies whether the chart requires a legend callout Insertchart.haslegend = true;  insertchart.barwidth = 0;  InsertChart.Legend.Position = Chartlegendpositionenum.chlegendpositionbottom; Insertchart.hastitle = true;//Add a caption to the chart InsertChart.Title.Caption = strtitle;//Title name//Add a diagram description for the x, Y axis if (charttype.tostring (). IndexOf ("charttypepie") = =-1) {insertchart.axes[0]. Font.Size = 11; X-axis insertchart.axes[1]. Font.Size = 11; Y-Axis InsertcharT.legend.font.size = 11; Insertchart.axes[0]. HasTitle = true; Insertchart.axes[0]. Title.caption = "";//month insertchart.axes[1]. HasTitle = true; INSERTCHART.AXES[1]. Scaling.splitminimum = 200; INSERTCHART.AXES[1]. title.caption = "Quantity"; INSERTCHART.AXES[1]. MajorUnit = Iunit; Scale unit setting insertchart.axes[1].  Scaling.minimum = 0;//min tick = 0}//Add a series INSERTCHART.SERIESCOLLECTION.ADD (0); The name of the given series family insertchart.seriescollection[0].  SetData (chartdimensionsenum.chdimseriesnames, + (int) chartspecialdatasourcesenum.chdataliteral, strSeriesName);  Given classification strxdata = strxdata.substring (0, strxdata.length-1); Insertchart.seriescollection[0].  SetData (chartdimensionsenum.chdimcategories, + (int) chartspecialdatasourcesenum.chdataliteral, strXdata);  Given value Strydata = strydata.substring (0, strydata.length-1); Insertchart.seriescollection[0].  SetData (chartdimensionsenum.chdimvalues, (int) chartspecialdatasourcesenum.chdataliteral, strydata); Add label ChDataLabels DLS = Insertchart.seriescollecTion[0].  Datalabelscollection.add (); if (charttype.tostring (). IndexOf ("Charttypepie")! =-1) {DLs. Position = Chartdatalabelpositionenum.chlabelpositioncenter; Dls. Haspercentage = false; Dls. HasValue = false; Dls. HasCategoryName = false; Specifies whether the chart requires a legend callout Insertchart.haslegend = true;  InsertChart.Legend.Position = Chartlegendpositionenum.chlegendpositionbottom;  }//Output file.  int iimagelength = 0;  int iimagewidth = 0; Get Set//iimagelength = int from config file.  Parse (webconfigurationmanager.appsettings["showimagelength"]); iimagewidth = Int.  Parse (webconfigurationmanager.appsettings["Showimagewidth"]);  Iimagelength = 450;  Iimagewidth = 300; String strimagename = charttype.tostring () + "_" + guid.newguid ().  ToString ("N") + ". png";  Layspace.exportpicture (Strabsolutepath + strimagename, "PNG", 450, 300); Add a picture to placeholder and display string strimagetag = "
I hope this article is helpful to everyone's C # programming.
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How to implement the pie chart line chart of C # drawing
 
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How to implement the pie chart line chart of C # drawing