Wygląda jak chcesz zrobić wierszy i kolumn zarysy, które są zwinięte. Powinno to pokazać, jak to zrobić:
[TestMethod]
public void Row_Col_Grouping_Test()
{
//http://stackoverflow.com/questions/32760210/how-to-group-rows-columns-in-epplus
//Throw in some data
var datatable = new DataTable("tblData");
datatable.Columns.AddRange(new[]
{
new DataColumn("Header", typeof (string)), new DataColumn("Col1", typeof (int)), new DataColumn("Col2", typeof (int)), new DataColumn("Col3", typeof (object))
});
for (var i = 0; i < 10; i++)
{
var row = datatable.NewRow();
row[0] = String.Format("Header {0}", i); row[1] = i; row[2] = i*10; row[3] = Path.GetRandomFileName(); datatable.Rows.Add(row);
}
//Create a test file
var fi = new FileInfo(@"c:\temp\grouping.xlsx");
if (fi.Exists)
fi.Delete();
using (var pck = new ExcelPackage(fi))
{
var worksheet = pck.Workbook.Worksheets.Add("Sheet1");
worksheet.Cells.LoadFromDataTable(datatable, true);
worksheet.Cells["B12"].Formula = "SUM(B2:B11)";
worksheet.Cells["C12"].Formula = "SUM(C2:C11)";
//Row Group 1
for (var i = 2; i <= 6; i++)
{
worksheet.Row(i).OutlineLevel = 1;
worksheet.Row(i).Collapsed = true;
}
//Row Group 2
for (var i = 6; i <= 10; i++)
{
worksheet.Row(i).OutlineLevel = 2;
worksheet.Row(i).Collapsed = true;
}
//Column Group
for (var i = 2; i <= 4; i++)
{
worksheet.Column(i).OutlineLevel = 1;
worksheet.Column(i).Collapsed = true;
}
pck.Save();
}
}