protected void ExcelDl_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=ViewHistoryChart.xlsx");
Response.ContentType = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
Response.Charset = "";
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
Chart1.RenderControl(hw);
using (MemoryStream stream = new MemoryStream())
{
using (SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Create(stream, SpreadsheetDocumentType.Workbook))
{
var fileName = HttpContext.Current.Request.PhysicalApplicationPath + @"\Charts\ChartImage.png";
WorkbookPart wbp = spreadsheetDocument.AddWorkbookPart();
WorksheetPart wsp = wbp.AddNewPart<WorksheetPart>();
Workbook wb = new Workbook();
FileVersion fv = new FileVersion();
fv.ApplicationName = "Microsoft Office Excel";
Worksheet ws = new Worksheet();
SheetData sd = new SheetData();
// add contents
List<string> values = new List<string>();
//values.Add(lblSectionFunctionSelected.Text);
uint i = 1;
foreach (var value in values)
{
UInt32Value rowIndex = UInt32Value.FromUInt32(i);
var row = new Row { RowIndex = rowIndex }; // add a row at the top of spreadsheet
sd.Append(row);
var cell = new Cell
{
CellValue = new CellValue(value),
DataType = new EnumValue<CellValues>(CellValues.String)
};
row.InsertAt(cell, 0);
i++;
}
// add image
DrawingsPart dp = wsp.AddNewPart<DrawingsPart>();
ImagePart imgp = dp.AddImagePart(ImagePartType.Png, wsp.GetIdOfPart(dp));
using (FileStream fs = new FileStream(fileName, FileMode.Open))
{
imgp.FeedData(fs);
}
DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties nvdp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties();
nvdp.Id = 1025;
nvdp.Name = "Picture 1";
nvdp.Description = "Chart";
DocumentFormat.OpenXml.Drawing.PictureLocks picLocks = new DocumentFormat.OpenXml.Drawing.PictureLocks();
picLocks.NoChangeAspect = true;
picLocks.NoChangeArrowheads = true;
DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureDrawingProperties nvpdp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureDrawingProperties();
nvpdp.PictureLocks = picLocks;
DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureProperties nvpp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureProperties();
nvpp.NonVisualDrawingProperties = nvdp;
nvpp.NonVisualPictureDrawingProperties = nvpdp;
DocumentFormat.OpenXml.Drawing.Stretch stretch = new DocumentFormat.OpenXml.Drawing.Stretch();
stretch.FillRectangle = new DocumentFormat.OpenXml.Drawing.FillRectangle();
DocumentFormat.OpenXml.Drawing.Spreadsheet.BlipFill blipFill = new DocumentFormat.OpenXml.Drawing.Spreadsheet.BlipFill();
DocumentFormat.OpenXml.Drawing.Blip blip = new DocumentFormat.OpenXml.Drawing.Blip();
blip.Embed = dp.GetIdOfPart(imgp);
blip.CompressionState = DocumentFormat.OpenXml.Drawing.BlipCompressionValues.Print;
blipFill.Blip = blip;
blipFill.SourceRectangle = new DocumentFormat.OpenXml.Drawing.SourceRectangle();
blipFill.Append(stretch);
DocumentFormat.OpenXml.Drawing.Transform2D t2d = new DocumentFormat.OpenXml.Drawing.Transform2D();
DocumentFormat.OpenXml.Drawing.Offset offset = new DocumentFormat.OpenXml.Drawing.Offset();
offset.X = 0;
offset.Y = 0;
t2d.Offset = offset;
Bitmap bm = new Bitmap(fileName);
//http://en.wikipedia.org/wiki/English_Metric_Unit#DrawingML
//http://stackoverflow.com/questions/1341930/pixel-to-centimeter
//http://stackoverflow.com/questions/139655/how-to-convert-pixels-to-points-px-to-pt-in-net-c
DocumentFormat.OpenXml.Drawing.Extents extents = new DocumentFormat.OpenXml.Drawing.Extents();
extents.Cx = (long)bm.Width * (long)((float)914400 / bm.HorizontalResolution);
extents.Cy = (long)bm.Height * (long)((float)914400 / bm.VerticalResolution);
bm.Dispose();
t2d.Extents = extents;
DocumentFormat.OpenXml.Drawing.Spreadsheet.ShapeProperties sp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.ShapeProperties();
sp.BlackWhiteMode = DocumentFormat.OpenXml.Drawing.BlackWhiteModeValues.Auto;
sp.Transform2D = t2d;
DocumentFormat.OpenXml.Drawing.PresetGeometry prstGeom = new DocumentFormat.OpenXml.Drawing.PresetGeometry();
prstGeom.Preset = DocumentFormat.OpenXml.Drawing.ShapeTypeValues.Rectangle;
prstGeom.AdjustValueList = new DocumentFormat.OpenXml.Drawing.AdjustValueList();
sp.Append(prstGeom);
sp.Append(new DocumentFormat.OpenXml.Drawing.NoFill());
DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture picture = new DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture();
picture.NonVisualPictureProperties = nvpp;
picture.BlipFill = blipFill;
picture.ShapeProperties = sp;
DocumentFormat.OpenXml.Drawing.Spreadsheet.Position pos = new DocumentFormat.OpenXml.Drawing.Spreadsheet.Position();
pos.X = 0;
pos.Y = 10;
Extent ext = new Extent();
ext.Cx = extents.Cx;
ext.Cy = extents.Cy;
AbsoluteAnchor anchor = new AbsoluteAnchor();
anchor.Position = pos;
anchor.Extent = ext;
anchor.Append(picture);
anchor.Append(new ClientData());
WorksheetDrawing wsd = new WorksheetDrawing();
wsd.Append(anchor);
Drawing drawing = new Drawing();
drawing.Id = dp.GetIdOfPart(imgp);
wsd.Save(dp);
ws.Append(sd);
ws.Append(drawing);
wsp.Worksheet = ws;
wsp.Worksheet.Save();
Sheets sheets = new Sheets();
Sheet sheet = new Sheet();
sheet.Name = "history chart";
sheet.SheetId = 1;
sheet.Id = wbp.GetIdOfPart(wsp);
sheets.Append(sheet);
wb.Append(fv);
wb.Append(sheets);
spreadsheetDocument.WorkbookPart.Workbook = wb;
spreadsheetDocument.WorkbookPart.Workbook.Save();
spreadsheetDocument.Close();
}
File.WriteAllBytes(HttpContext.Current.Request.PhysicalApplicationPath + @"\Charts\temp.xlsx", stream.ToArray());
}
Response.WriteFile(HttpContext.Current.Request.PhysicalApplicationPath + @"\Charts\temp.xlsx");
Response.Flush();
Response.Close();
Response.End();
}
/// <summary>
/// Add the logo of the system
/// </summary>
/// <param name="logoPath">Path of the logo</param>
/// <param name="worksheetPart">Worksheet Part</param>
/// <returns>Drawing</returns>
private static Drawing AddLogo(string logoPath, WorksheetPart worksheetPart)
{
string sImagePath = logoPath;
DrawingsPart dp = worksheetPart.AddNewPart<DrawingsPart>();
ImagePart imgp = dp.AddImagePart(ImagePartType.Png, worksheetPart.GetIdOfPart(dp));
using (FileStream fs = new FileStream(sImagePath, FileMode.Open, FileAccess.Read))
{
imgp.FeedData(fs);
}
DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties nvdp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualDrawingProperties();
nvdp.Id = 1025;
nvdp.Name = "Picture 1";
nvdp.Description = "logo";
DocumentFormat.OpenXml.Drawing.PictureLocks picLocks = new DocumentFormat.OpenXml.Drawing.PictureLocks();
picLocks.NoChangeAspect = true;
picLocks.NoChangeArrowheads = true;
DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureDrawingProperties nvpdp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureDrawingProperties();
nvpdp.PictureLocks = picLocks;
DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureProperties nvpp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.NonVisualPictureProperties();
nvpp.NonVisualDrawingProperties = nvdp;
nvpp.NonVisualPictureDrawingProperties = nvpdp;
DocumentFormat.OpenXml.Drawing.Stretch stretch = new DocumentFormat.OpenXml.Drawing.Stretch();
stretch.FillRectangle = new DocumentFormat.OpenXml.Drawing.FillRectangle();
DocumentFormat.OpenXml.Drawing.Spreadsheet.BlipFill blipFill = new DocumentFormat.OpenXml.Drawing.Spreadsheet.BlipFill();
DocumentFormat.OpenXml.Drawing.Blip blip = new DocumentFormat.OpenXml.Drawing.Blip();
blip.Embed = dp.GetIdOfPart(imgp);
blip.CompressionState = DocumentFormat.OpenXml.Drawing.BlipCompressionValues.Print;
blipFill.Blip = blip;
blipFill.SourceRectangle = new DocumentFormat.OpenXml.Drawing.SourceRectangle();
blipFill.Append(stretch);
DocumentFormat.OpenXml.Drawing.Transform2D t2d = new DocumentFormat.OpenXml.Drawing.Transform2D();
DocumentFormat.OpenXml.Drawing.Offset offset = new DocumentFormat.OpenXml.Drawing.Offset();
offset.X = 0;
offset.Y = 0;
t2d.Offset = offset;
Bitmap bm = new Bitmap(sImagePath);
DocumentFormat.OpenXml.Drawing.Extents extents = new DocumentFormat.OpenXml.Drawing.Extents();
extents.Cx = (long)bm.Width * (long)((float)914400 / bm.HorizontalResolution);
extents.Cy = (long)bm.Height * (long)((float)914400 / bm.VerticalResolution);
bm.Dispose();
t2d.Extents = extents;
DocumentFormat.OpenXml.Drawing.Spreadsheet.ShapeProperties sp = new DocumentFormat.OpenXml.Drawing.Spreadsheet.ShapeProperties();
sp.BlackWhiteMode = DocumentFormat.OpenXml.Drawing.BlackWhiteModeValues.Auto;
sp.Transform2D = t2d;
DocumentFormat.OpenXml.Drawing.PresetGeometry prstGeom = new DocumentFormat.OpenXml.Drawing.PresetGeometry();
prstGeom.Preset = DocumentFormat.OpenXml.Drawing.ShapeTypeValues.Rectangle;
prstGeom.AdjustValueList = new DocumentFormat.OpenXml.Drawing.AdjustValueList();
sp.Append(prstGeom);
sp.Append(new DocumentFormat.OpenXml.Drawing.NoFill());
DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture picture = new DocumentFormat.OpenXml.Drawing.Spreadsheet.Picture();
picture.NonVisualPictureProperties = nvpp;
picture.BlipFill = blipFill;
picture.ShapeProperties = sp;
DocumentFormat.OpenXml.Drawing.Spreadsheet.Position pos = new DocumentFormat.OpenXml.Drawing.Spreadsheet.Position();
pos.X = 18 * 914400 / 72;
pos.Y = 28 * 914400 / 72;
Extent ext = new Extent();
ext.Cx = extents.Cx;
ext.Cy = extents.Cy;
AbsoluteAnchor anchor = new AbsoluteAnchor();
anchor.Position = pos;
anchor.Extent = ext;
anchor.Append(picture);
anchor.Append(new ClientData());
WorksheetDrawing wsd = new WorksheetDrawing();
wsd.Append(anchor);
Drawing drawing = new Drawing();
drawing.Id = dp.GetIdOfPart(imgp);
wsd.Save(dp);
return drawing;
}
private static Drawing GetLogo(ExcelType excelType, WorksheetPart wsp, out uint startIndex)
{
var dp = wsp.AddNewPart<DrawingsPart>();
Drawing drawing;
var sImagePath = GetLogoPath(excelType);
if (string.IsNullOrEmpty(sImagePath))
{
startIndex = 1;
return null;
}
startIndex = 8;
//sorry, I must do it in this way, MEmory stream oesn't work in FeedData. There are several discussions in the internet about it.
ImagePart imgp = dp.AddImagePart(ImagePartType.Png, wsp.GetIdOfPart(dp));
var bm = new Bitmap(Resource.CEEX_small);
//var bm = new Bitmap(@"ExcelProvider\_img\CEEX_small.png");
using (var ms = new MemoryStream())
{
bm.Save(ms,ImageFormat.Png);
ms.Seek(0, 0);
imgp.FeedData(ms);
}
var nvdp = new NonVisualDrawingProperties();
nvdp.Id = 1025;
nvdp.Name = "logo";
nvdp.Description = "polymathlogo";
var picLocks = new PictureLocks();
picLocks.NoChangeAspect = true;
picLocks.NoChangeArrowheads = true;
var nvpdp = new NonVisualPictureDrawingProperties();
nvpdp.PictureLocks = picLocks;
var nvpp = new NonVisualPictureProperties();
nvpp.NonVisualDrawingProperties = nvdp;
nvpp.NonVisualPictureDrawingProperties = nvpdp;
var stretch = new Stretch();
stretch.FillRectangle = new FillRectangle();
var blipFill = new BlipFill();
var blip = new Blip();
blip.Embed = dp.GetIdOfPart(imgp);
blip.CompressionState = BlipCompressionValues.Print;
blipFill.Blip = blip;
blipFill.SourceRectangle = new SourceRectangle();
blipFill.Append(stretch);
var t2d = new Transform2D();
var offset = new Offset();
offset.X = 0;
offset.Y = 0;
t2d.Offset = offset;
//http://en.wikipedia.org/wiki/English_Metric_Unit#DrawingML
//http://stackoverflow.com/questions/1341930/pixel-to-centimeter
//http://stackoverflow.com/questions/139655/how-to-convert-pixels-to-points-px-to-pt-in-net-c
var extents = new Extents();
extents.Cx = bm.Width * (long)(914400 / bm.HorizontalResolution);
extents.Cy = bm.Height * (long)(914400 / bm.VerticalResolution);
bm.Dispose();
t2d.Extents = extents;
var sp = new ShapeProperties();
sp.BlackWhiteMode = BlackWhiteModeValues.Auto;
sp.Transform2D = t2d;
var prstGeom = new PresetGeometry();
prstGeom.Preset = ShapeTypeValues.Rectangle;
prstGeom.AdjustValueList = new AdjustValueList();
sp.Append(prstGeom);
sp.Append(new NoFill());
var picture = new Picture();
picture.NonVisualPictureProperties = nvpp;
picture.BlipFill = blipFill;
picture.ShapeProperties = sp;
var pos = new Position();
pos.X = 0;
pos.Y = 0;
var ext = new Extent();
ext.Cx = extents.Cx;
ext.Cy = extents.Cy;
var anchor = new AbsoluteAnchor();
anchor.Position = pos;
anchor.Extent = ext;
anchor.Append(picture);
anchor.Append(new ClientData());
var wsd = new WorksheetDrawing();
wsd.Append(anchor);
drawing = new Drawing();
drawing.Id = dp.GetIdOfPart(imgp);
wsd.Save(dp);
return drawing;
}
