private static void ExportToHTML(IWorkbook workbook)
{
#region #ExportToHTML
workbook.LoadDocument("Documents\\ExpenseReport.xlsx");
workbook.Calculate();
Worksheet worksheet = workbook.Worksheets[0];
// Create an object containing HTML export options.
HtmlDocumentExporterOptions options = new HtmlDocumentExporterOptions();
// Set HTML-specific export options.
options.CssPropertiesExportType = DevExpress.XtraSpreadsheet.Export.Html.CssPropertiesExportType.Style;
options.Encoding = Encoding.UTF8;
// Specify the part of the document to be exported to HTML.
options.SheetIndex = worksheet.Index;
options.Range = "B11:O28";
// Export a document to an HTML file with the specified options.
workbook.ExportToHtml("OutputRange.html", options);
// Export the entire worksheet to a stream as HTML.
FileStream htmlStream = new FileStream("OutputWorksheet.html", FileMode.Create);
workbook.ExportToHtml(htmlStream, worksheet.Index);
#endregion #ExportToHTML
System.Diagnostics.Process.Start("OutputRange.html");
System.Diagnostics.Process.Start("OutputWorksheet.html");
}
private void btn_HTML_Click(object sender, EventArgs e)
{
FileStream htmlStream = new FileStream("OutputWorksheet.html", FileMode.Create);
workbook.ExportToHtml(htmlStream, worksheet.Index);
MessageBox.Show("Your solution has been saved as HTML.");
}
protected virtual string GenerateTableHtml(SpreadTableOptions options)
{
string htmlTable;
IWorkbook workbook = null;
bool disposeWorkbook = false;
try
{
if (options._Spreadsheet != null)
{
workbook = options._Spreadsheet.Workbook;
}
else if (!string.IsNullOrWhiteSpace(options._FileName))
{
disposeWorkbook = true;
string fileName = Project.Current.MapPath(options._FileName);
if (!File.Exists(fileName))
{
throw new Exception($"File '{fileName}' does not exist.");
}
workbook = SpreadsheetUtils.CreateWorkbook();
workbook.LoadDocument(fileName);
}
else
{
workbook = Host?.Spreadsheet?.Workbook;
}
if (workbook == null)
{
throw new Exception("Spreadsheet is not specified");
}
var range = SpreadsheetUtils.GetWorkbookRange(workbook, options._TableName);
var optionsHtml = new DevExpress.XtraSpreadsheet.Export.HtmlDocumentExporterOptions()
{
SheetIndex = workbook.Sheets.IndexOf(range.Worksheet),
Range = range.GetReferenceA1(),
Encoding = Encoding.Unicode
};
using var stream = new MemoryStream();
workbook.ExportToHtml(stream, optionsHtml);
stream.Seek(0, SeekOrigin.Begin);
using var reader = new StreamReader(stream, Encoding.UTF8);
htmlTable = reader.ReadToEnd();
}
finally
{
if (disposeWorkbook)
{
workbook?.Dispose();
}
}
return(htmlTable);
}