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Pie charts http://forum.easyxls.com/viewtopic.php?f=5&t=19 |
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Author: | John Lemur [ Wed Jun 14, 2006 3:29 am ] |
Post subject: | Pie charts |
How can I generate advanced pie charts in a web project? |
Author: | tavi [ Thu Jun 15, 2006 8:21 am ] |
Post subject: | Pie chart |
using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls; using EasyXLS; using EasyXLS.Constants; namespace TestWebEasyXLS { /// <summary> /// Summary description for WebForm1. /// </summary> public class WebForm1 : System.Web.UI.Page { /*--------License Information --------*/ public static string sLicense = "License"; public static string sLicenseKey = "LicenseKey"; private void Page_Load(object sender, System.EventArgs e) { Response.Write("Tutorial 17 adapted<br>-----------<br>"); //Create an instance of the object that generates Excel files ExcelDocument xls = new ExcelDocument(); //Add one worksheet xls.easy_addWorksheet("SourceData"); // ---------------------------------------------------------------------- //Insert values ExcelTable xlsTable1 = ((ExcelWorksheet)xls.easy_getSheet("SourceData")).easy_getExcelTable(); xlsTable1.easy_getCell(0, 0).setValue("Show Date"); xlsTable1.easy_getCell(0, 1).setValue("Available Places"); xlsTable1.easy_getCell(0, 2).setValue("Available -"); xlsTable1.easy_getCell(0, 3).setValue("Sold -"); xlsTable1.easy_getCell(1, 0).setValue("03/13/2005 00:00:00"); xlsTable1.easy_getCell(1, 0).setFormat(EasyXLS.Constants.Format.FORMAT_DATE); xlsTable1.easy_getCell(2, 0).setValue("03/14/2005 00:00:00"); xlsTable1.easy_getCell(2, 0).setFormat(EasyXLS.Constants.Format.FORMAT_DATE); xlsTable1.easy_getCell(3, 0).setValue("03/15/2005 00:00:00"); xlsTable1.easy_getCell(3, 0).setFormat(EasyXLS.Constants.Format.FORMAT_DATE); xlsTable1.easy_getCell(4, 0).setValue("03/16/2005 00:00:00"); xlsTable1.easy_getCell(4, 0).setFormat(EasyXLS.Constants.Format.FORMAT_DATE); xlsTable1.easy_getCell(1, 1).setValue("10000"); xlsTable1.easy_getCell(2, 1).setValue("5000"); xlsTable1.easy_getCell(3, 1).setValue("8500"); xlsTable1.easy_getCell(4, 1).setValue("1000"); xlsTable1.easy_getCell(1, 2).setValue("8000"); xlsTable1.easy_getCell(2, 2).setValue("4000"); xlsTable1.easy_getCell(3, 2).setValue("6000"); xlsTable1.easy_getCell(4, 2).setValue("1000"); xlsTable1.easy_getCell(1, 3).setValue("920"); xlsTable1.easy_getCell(2, 3).setValue("1005"); xlsTable1.easy_getCell(3, 3).setValue("342"); xlsTable1.easy_getCell(4, 3).setValue("967"); xlsTable1.easy_getColumnAt(0).setWidth(100); xlsTable1.easy_getColumnAt(1).setWidth(100); xlsTable1.easy_getColumnAt(2).setWidth(100); xlsTable1.easy_getColumnAt(3).setWidth(100); //------------------------------------- //Add the chart xls.easy_addChart("Chart", "=SourceData!$A$1:$B$5", Chart.SERIES_IN_COLUMNS); ExcelChartSheet xlsChart = (ExcelChartSheet)xls.easy_getSheetAt(1); xlsChart.easy_setChartType(Chart.CHART_TYPE_PIE_3D_EXPLODED); //Generate the file Response.Write("Writing file Tutorial17.xls."); xls.easy_WriteExcelFile("C:\\Inetpub\\wwwroot\\Tutorial17.xls", sLicense, sLicenseKey); /*//Or write directly in Response and you don't need any permissions //Start to prepare the Response Response.AppendHeader("content-disposition", "attachment; filename=Tutorial17.xls"); Response.ContentType = "application/octetstream"; Response.Clear(); //Generate the file and prompt the "Open or Save Dialog Box" xls.easy_WriteExcelFile(Response.OutputStream, sLicense, sLicenseKey);*/ //Confirm generation String sError = xls.easy_getError(); if (sError.Equals("")) Response.Write("<br>File successfully created."); else Response.Write("<br>Error encountered: " + sError); //Dispose memory Response.End(); xls.Dispose(); } #region Web Form Designer generated code override protected void OnInit(EventArgs e) { // // CODEGEN: This call is required by the ASP.NET Web Form Designer. // InitializeComponent(); base.OnInit(e); } /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { this.Load += new System.EventHandler(this.Page_Load); } #endregion } } |
Author: | MrRipley [ Mon Nov 20, 2006 8:28 am ] |
Post subject: | Pie options |
Yes, but is it possible to change de colors of each pieces by code? And how can you indicate de type of legends? Making a pie chart from Excel, colors are assignated automatically, but from EasyXLS I always get then blue. And I don't know how to tell chart to show legends in percentage or how to access to the options of each category (I can get refereces to series, but in a pie chart usually you only have a single serie). It is easy from Excel, but is it possible by code? I think rows and columns charts are quite more versatile with EasyXLS. (My version of control is 5.1) Greetings (and sorrry for my english; I'm spanish) |
Author: | mihaionescu [ Mon Nov 20, 2006 10:50 am ] | |||||||||
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Please download and install the new trial version EasyXLS 5.3. In this version the chart pie is generated in different colors. This colors cannot be changed from the code. Here is some code that and I hope it can help you.
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Author: | Guest [ Mon Nov 20, 2006 11:12 am ] |
Post subject: | |
I will try. About changing categories colours, I have seen Excel does not allow it neither and apply them automatically... |
Author: | djamraam [ Fri May 16, 2008 6:12 am ] |
Post subject: | pie charts |
What can I do if I want to create a piechart whith several cells not with a cell range? i.e. with A1;G4;F32;H15 Thank you! |
Author: | oana [ Thu May 22, 2008 5:49 am ] | |||||||||
Post subject: | Pie Chart | |||||||||
Here is the code that you need:
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