public static void AddCell(HtmlWriter htmlWriter, string className, object value, int width)
{
string cellValue = (value == null || value.ToString().Length == 0) ? HtmlWriter.HtmlWhitespace : value.ToString();
if (width > 0)
{
htmlWriter.WriteStartElement("td", "class", className, "width", width, "height", 25);
}
else
{
htmlWriter.WriteStartElement("td", "class", className, "height", 25);
}
htmlWriter.WriteText(cellValue);
htmlWriter.WriteEndElement();
}
public static string ExportToMSOffice(DataGridView grid, bool openInWordAfterExport, bool openInExcelAfterExport)
{
try
{
EventLogger.RecordEvent(Constants.CommonLibraryEventSource, LogEventType.Information, "Beginning grid HTML export...");
string htmlFileName = Path.GetTempFileName() + ".html";
HtmlWriter htmlWriter = new HtmlWriter(htmlFileName);
htmlWriter.Open();
htmlWriter.UseIndentation = true;
htmlWriter.WriteStartElement("html");
htmlWriter.WriteStartElement("head");
htmlWriter.WriteEndElement(); // </head>
htmlWriter.WriteStartElement("body");
htmlWriter.WriteStartElement("table", "style", "font-family: Tahoma; font-size: 9pt;");
htmlWriter.WriteStartElement("tr");
for (int i = 0; i < grid.Columns.Count; i++)
{
if (grid.Columns[i].Visible)
{
AddCell(htmlWriter, "", "<b>" + grid.Columns[i].HeaderText + "</b>", grid.Columns[i].Name == "colEventFileName" ? 1000 : 0);
}
}
htmlWriter.WriteEndElement(); // </tr>
for (int i = 0; i < grid.Rows.Count; i++)
{
if (grid.Rows[i].Visible)
{
htmlWriter.WriteStartElement("tr");
for (int j = 0; j < grid.Columns.Count; j++)
{
if (grid.Columns[j].Visible)
{
object cellValue = grid[j, i].Value;
AddCell(htmlWriter, "", cellValue, 0);
}
}
htmlWriter.WriteEndElement(); // </tr>
}
}
htmlWriter.WriteEndElement(); // </table>
htmlWriter.WriteEndElement(); // </body>
htmlWriter.WriteEndElement(); // </html>
htmlWriter.Close();
htmlWriter.Dispose();
if (openInWordAfterExport)
{
Process.Start("winword", '"' + htmlFileName + '"');
}
if (openInExcelAfterExport)
{
Process.Start("excel", '"' + htmlFileName + '"');
}
EventLogger.RecordEvent(Constants.CommonLibraryEventSource, LogEventType.Information, "Grid HTML generation successful. Saved as: " + htmlFileName);
return htmlFileName;
}
catch (Exception ex)
{
EventLogger.RecordException(Constants.CommonLibraryEventSource, ex, "HTML generation error: ");
throw;
}
}