csharp: Export DataTable to Excel using OpenXml 2.5 in asp.net

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//https://www.microsoft.com/en-us/download/details.aspx?id=5124  Open XML SDK 2.0 for Microsoft Office    //https://www.microsoft.com/en-us/download/details.aspx?id=30425 Open XML SDK 2.5 for Microsoft Office    //https://github.com/OfficeDev/Open-Xml-Sdk    //http://www.codeproject.com/Tips/366446/Export-GridView-Data-to-Excel-using-OpenXml   //https://openxmlsdkjs.codeplex.com/    //引用： WindowsBase.DLL  C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.0\WindowsBase.dll      /// <summary>    ///    /// </summary>    internal class ExcelHelper    {          /// <summary>        ///        /// </summary>        internal class ColumnCaption        {            private static string[] Alphabets = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z" };            private static ColumnCaption instance = null;            private List<string> cellHeaders = null;            public static ColumnCaption Instance            {                get                {                    if (instance == null)                        return new ColumnCaption();                    else return ColumnCaption.Instance;                }            }            /// <summary>            ///            /// </summary>            public ColumnCaption()            {                this.InitCollection();            }            /// <summary>            ///            /// </summary>            private void InitCollection()            {                cellHeaders = new List<string>();                  foreach (string sItem in Alphabets)                    cellHeaders.Add(sItem);                  foreach (string item in Alphabets)                    foreach (string sItem in Alphabets)                        cellHeaders.Add(item + sItem);            }              /// <summary>            /// Returns the column caption for the given row & column index.            /// </summary>            /// <param name="rowIndex">Index of the row.</param>            /// <param name="columnIndex">Index of the column.</param>            /// <returns></returns>            internal string Get(int rowIndex, int columnIndex)            {                return this.cellHeaders.ElementAt(columnIndex) + (rowIndex + 1).ToString();            }        }          /// <summary>        /// 导出        /// </summary>        /// <param name="DataTable">DataTable</param>        /// <param name="sheetname">工作表名</param>        /// <param name="filename">文件名</param>        /// <returns></returns>        internal string ExportToExcel(DataTable table, string sheetname,string filename)        {            string excelfile = Path.GetTempPath() + filename;            using (SpreadsheetDocument excelDoc = SpreadsheetDocument.Create(excelfile, DocumentFormat.OpenXml.SpreadsheetDocumentType.Workbook))            {                CreateExcelParts(excelDoc, table,sheetname);            }            return excelfile;        }        /// <summary>        ///        /// </summary>        /// <param name="spreadsheetDoc"></param>        /// <param name="data"></param>        /// <param name="sheetname"></param>        private void CreateExcelParts(SpreadsheetDocument spreadsheetDoc, DataTable data,string sheetname)        {            WorkbookPart workbookPart = spreadsheetDoc.AddWorkbookPart();            CreateWorkbookPart(workbookPart, sheetname);              int workBookPartCount = 1;              WorkbookStylesPart workbookStylesPart = workbookPart.AddNewPart<WorkbookStylesPart>("rId" + (workBookPartCount++).ToString());            CreateWorkbookStylesPart(workbookStylesPart);              WorksheetPart worksheetPart = workbookPart.AddNewPart<WorksheetPart>("rId" + (101).ToString());            CreateWorksheetPart(workbookPart.WorksheetParts.ElementAt(0), data);              SharedStringTablePart sharedStringTablePart = workbookPart.AddNewPart<SharedStringTablePart>("rId" + (workBookPartCount++).ToString());            CreateSharedStringTablePart(sharedStringTablePart, data);              workbookPart.Workbook.Save();        }          /// <summary>        /// Creates the shared string table part.        /// </summary>        /// <param name="sharedStringTablePart">The shared string table part.</param>        /// <param name="sheetData">The sheet data.</param>        private void CreateSharedStringTablePart(SharedStringTablePart sharedStringTablePart, DataTable sheetData)        {            UInt32Value stringCount = Convert.ToUInt32(sheetData.Rows.Count) + Convert.ToUInt32(sheetData.Columns.Count);              SharedStringTable sharedStringTable = new SharedStringTable()            {                Count = stringCount,                UniqueCount = stringCount            };              for (int columnIndex = 0; columnIndex < sheetData.Columns.Count; columnIndex++)            {                SharedStringItem sharedStringItem = new SharedStringItem();                Text text = new Text();                text.Text = sheetData.Columns[columnIndex].ColumnName;                sharedStringItem.Append(text);                sharedStringTable.Append(sharedStringItem);            }              for (int rowIndex = 0; rowIndex < sheetData.Rows.Count; rowIndex++)            {                SharedStringItem sharedStringItem = new SharedStringItem();                Text text = new Text();                text.Text = sheetData.Rows[rowIndex][0].ToString();                sharedStringItem.Append(text);                sharedStringTable.Append(sharedStringItem);            }              sharedStringTablePart.SharedStringTable = sharedStringTable;        }          /// <summary>        /// Creates the worksheet part.        /// </summary>        /// <param name="worksheetPart">The worksheet part.</param>        /// <param name="data">The data.</param>        private void CreateWorksheetPart(WorksheetPart worksheetPart, DataTable data)        {            Worksheet worksheet = new Worksheet() { MCAttributes = new MarkupCompatibilityAttributes() { Ignorable = "x14ac" } };            worksheet.AddNamespaceDeclaration("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships");            worksheet.AddNamespaceDeclaration("mc", "http://schemas.openxmlformats.org/markup-compatibility/2006");            worksheet.AddNamespaceDeclaration("x14ac", "http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac");                SheetViews sheetViews = new SheetViews();            SheetView sheetView = new SheetView() { WorkbookViewId = (UInt32Value)0U };            Selection selection = new Selection() { ActiveCell = "A1" };            sheetView.Append(selection);            sheetViews.Append(sheetView);              PageMargins pageMargins = new PageMargins()            {                Left = 0.7D,                Right = 0.7D,                Top = 0.75D,                Bottom = 0.75D,                Header = 0.3D,                Footer = 0.3D            };              SheetFormatProperties sheetFormatPr = new SheetFormatProperties()            {                DefaultRowHeight = 15D,                DyDescent = 0.25D            };              SheetData sheetData = new SheetData();              UInt32Value rowIndex = 1U;              Row row1 = new Row()            {                RowIndex = rowIndex++,                Spans = new ListValue<StringValue>() { InnerText = "1:3" },                DyDescent = 0.25D            };              for (int columnIndex = 0; columnIndex < data.Columns.Count; columnIndex++)            {                Cell cell = new Cell() { CellReference = ExcelHelper.ColumnCaption.Instance.Get((Convert.ToInt32((UInt32)rowIndex) - 2), columnIndex), DataType = CellValues.String };                CellValue cellValue = new CellValue();                cellValue.Text = data.Columns[columnIndex].ColumnName.ToString().FormatCode();                cell.Append(cellValue);                  row1.Append(cell);            }            sheetData.Append(row1);              for (int rIndex = 0; rIndex < data.Rows.Count; rIndex++)            {                Row row = new Row()                {                    RowIndex = rowIndex++,                    Spans = new ListValue<StringValue>() { InnerText = "1:3" },                    DyDescent = 0.25D                };                  for (int cIndex = 0; cIndex < data.Columns.Count; cIndex++)                {                    if (cIndex == 0)                    {                        Cell cell = new Cell() { CellReference = ExcelHelper.ColumnCaption.Instance.Get((Convert.ToInt32((UInt32)rowIndex) - 2), cIndex), DataType = CellValues.String };                        CellValue cellValue = new CellValue();                        cellValue.Text = data.Rows[rIndex][cIndex].ToString();                        cell.Append(cellValue);                          row.Append(cell);                    }                    else                    {                        Cell cell = new Cell() { CellReference = ExcelHelper.ColumnCaption.Instance.Get((Convert.ToInt32((UInt32)rowIndex) - 2), cIndex), DataType = CellValues.String };                        CellValue cellValue = new CellValue();                        cellValue.Text = data.Rows[rIndex][cIndex].ToString();                        cell.Append(cellValue);                          row.Append(cell);                    }                }                sheetData.Append(row);            }              worksheet.Append(sheetViews);            worksheet.Append(sheetFormatPr);            worksheet.Append(sheetData);            worksheet.Append(pageMargins);            worksheetPart.Worksheet = worksheet;        }          /// <summary>        /// Creates the workbook styles part.        /// </summary>        /// <param name="workbookStylesPart">The workbook styles part.</param>        private void CreateWorkbookStylesPart(WorkbookStylesPart workbookStylesPart)        {            Stylesheet stylesheet = new Stylesheet() { MCAttributes = new MarkupCompatibilityAttributes() { Ignorable = "x14ac" } };            stylesheet.AddNamespaceDeclaration("mc", "http://schemas.openxmlformats.org/markup-compatibility/2006");            stylesheet.AddNamespaceDeclaration("x14ac", "http://schemas.microsoft.com/office/spreadsheetml/2009/9/ac");              StylesheetExtensionList stylesheetExtensionList = new StylesheetExtensionList();            StylesheetExtension stylesheetExtension = new StylesheetExtension() { Uri = "{EB79DEF2-80B8-43e5-95BD-54CBDDF9020C}" };            stylesheetExtension.AddNamespaceDeclaration("x14", "http://schemas.microsoft.com/office/spreadsheetml/2009/9/main");            DocumentFormat.OpenXml.Office2010.Excel.SlicerStyles slicerStyles = new DocumentFormat.OpenXml.Office2010.Excel.SlicerStyles() { DefaultSlicerStyle = "SlicerStyleLight1" };            stylesheetExtension.Append(slicerStyles);            stylesheetExtensionList.Append(stylesheetExtension);              stylesheet.Append(stylesheetExtensionList);              workbookStylesPart.Stylesheet = stylesheet;        }          /// <summary>        /// Creates the workbook part.        /// </summary>        /// <param name="workbookPart">The workbook part.</param>        private void CreateWorkbookPart(WorkbookPart workbookPart,string sheetName)        {            Workbook workbook = new Workbook();            Sheets sheets = new Sheets();              Sheet sheet = new Sheet()            {                Name = sheetName,  //工作表名                SheetId = Convert.ToUInt32(101),                Id = "rId" + (101).ToString()            };            sheets.Append(sheet);              CalculationProperties calculationProperties = new CalculationProperties()            {                CalculationId = (UInt32Value)123456U  // some default Int32Value            };              workbook.Append(sheets);            workbook.Append(calculationProperties);              workbookPart.Workbook = workbook;        }      }    /// <summary>    ///    /// </summary>    public static class Extensions    {        public static string FormatCode(this string sourceString)        {            if (sourceString.Contains("<"))                sourceString = sourceString.Replace("<", "<");              if (sourceString.Contains(">"))                sourceString = sourceString.Replace(">", ">");              return sourceString;        }    }

　　

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/// <summary>    ///    /// </summary>    public partial class WebForm1 : System.Web.UI.Page    {            DataTable getData()        {            DataTable dt = new DataTable();            dt.Columns.Add("id", typeof(int));            dt.Columns.Add("name", typeof(string));            dt.Rows.Add(1, "geovindu");            dt.Rows.Add(2, "geov");            dt.Rows.Add(3, "塗斯博");            dt.Rows.Add(4, "趙雅芝");            dt.Rows.Add(5, " なわち日本語");            dt.Rows.Add(6, "처리한다");            dt.Rows.Add(7, "涂聚文");            dt.Rows.Add(8, "塗聚文");            return dt;        }        /// <summary>        ///        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        protected void Page_Load(object sender, EventArgs e)        {            if (!IsPostBack)            {                BindGrid();            }          }        /// <summary>        ///        /// </summary>        private void BindGrid()        {            this.GridView1.DataSource = getData();            GridView1.DataBind();        }        /// <summary>        ///        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        protected void Button1_Click(object sender, EventArgs e)        {                         string rootPath = HttpContext.Current.Server.MapPath("~").ToString();            string localCopy = "塗聚文" + DateTime.Now.ToString("yyyyMMddHHmmssfff")+ ".xlsx"; //            string file = new ExcelHelper().ExportToExcel(getData(), "geovindu",localCopy);            File.Copy(file, rootPath + localCopy);            Response.Redirect(HttpUtility.UrlEncode(localCopy,System.Text.Encoding.UTF8));        }    }

　　

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/// <summary> /// windows 10 Microsoft Edge 测试无效。 ///塗聚文註 /// </summary> /// <param name="dt"></param> /// <param name="Response"></param> /// <param name="filename"></param> public static void Convertexcel(DataTable dt, HttpResponse Response, string filename) {       //win 10 通不过     Response.Clear();     Response.Buffer = true;     Response.ClearContent();     Response.ClearHeaders();     Response.ContentEncoding = System.Text.Encoding.UTF8;     //Response.AppendHeader("content-disposition", "attachment; filename=myfile.xlsx");         //Response.AddHeader "Content-Disposition", "Attachment;Filename=myfile.csv"          //Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";             //Response.AddHeader("content-disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(filename, System.Text.Encoding.UTF8) + ".xlsx");       //Response.ContentType = "application/ms-excel";  //application/vnd.ms-excel //2003     //Response.AddHeader("content-disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(filename, System.Text.Encoding.UTF8) + ".xls");//xlsx     Response.Write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />");     Response.Charset = "utf-8";     Response.Cache.SetCacheability(HttpCacheability.NoCache);           //Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";//2007     System.IO.StringWriter stringWrite = new System.IO.StringWriter();     //stringWrite.Encoding     System.Web.UI.HtmlTextWriter htmlWrite = new System.Web.UI.HtmlTextWriter(stringWrite);     //htmlWrite.Encoding     System.Web.UI.WebControls.DataGrid dg = new System.Web.UI.WebControls.DataGrid();     dg.DataSource = dt;     dg.DataBind();     dg.RenderControl(htmlWrite);     string style = @"<!--mce:2-->";     Response.Write(style);     Response.Output.Write(stringWrite.ToString());     //Response.Write(stringWrite.ToString());     Response.Flush();     Response.End();     //HttpContext.Current.ApplicationInstance.CompleteRequest();   }

　　http://closedxml.codeplex.com/

http://epplus.codeplex.com/

https://sourceforge.net/projects/closedxmlexcel/

https://github.com/vbjay/ClosedXML

http://stackoverflow.com/questions/23102010/open-xml-reading-from-excel-file

https://openxmlexporttoexcel.codeplex.com/

https://excelpackage.codeplex.com/

https://github.com/OfficeDev/Open-Xml-Sdk

https://openxmlpackaging.codeplex.com/

http://powertools.codeplex.com/

https://github.com/OfficeDev/Open-Xml-PowerTools

http://html2openxml.codeplex.com/

https://github.com/gSerP1983/OpenXml.Excel.Data

https://npoi.codeplex.com/

https://github.com/tonyqus/npoi