protected virtual IWorkbook CreateExportSheet(int rowCount, ExcelExtension ext)
{
return(this.UIDispatcher.Invoke(new Func <IWorkbook>(() =>
{
IWorkbook workbook = ext == ExcelExtension.XLS ? (IWorkbook) new HSSFWorkbook() : new XSSFWorkbook();
ISheet sheet = workbook.CreateSheet(this.Header);
var firstRow = sheet.CreateRow(0);
var bindPropCount = this.Table.Columns.Count() - this.Table.Columns.Where(c => string.IsNullOrWhiteSpace(GridColumn.GetBindProp(c))).Count();
for (int i = 0; i < bindPropCount; i++)
{
DataGridColumn col = this.Table.Columns[i];
firstRow.CreateCell(i, CellType.String).SetCellValue(col.Header.ToString());
}
Array context = this.GetExportData(rowCount);
for (int i = 0; i < context.Length; i++)
{
IRow row = sheet.CreateRow(i + 1);
object rowData = context.GetValue(i);
for (int j = 0; j < bindPropCount; j++)
{
DataGridColumn col = this.Table.Columns[j];
string bindProp = GridColumn.GetBindProp(col);
IValueConverter cvt = GridColumn.GetConverter(col);
object cellValue = rowData.GetType().GetProperty(bindProp).GetValue(rowData, null);
if (cvt != null)
{
cellValue = cvt.Convert(cellValue, typeof(string), null, null);
}
row.CreateCell(j, CellType.String).SetCellValue((cellValue ?? string.Empty).ToString());
}
}
return workbook;
}), null) as IWorkbook);
}