C#: How to access an Excel cell?

Question

I am trying to open an Excel file and populate its cells with data? I have done the following coding so far.

Currently I am at this stage with the following code but

Answer 1

Try:

Excel.Application oXL;
Excel._Workbook oWB;
Excel._Worksheet oSheet;
Excel.Range oRng;

oXL = new Excel.Application();
oXL.Visible = true;
oWB = (Excel._Workbook)(oXL.Workbooks.Add(Missing.Value));

oSheet = (Excel._Worksheet)oWB.Worksheets;
oSheet.Activate();

oSheet.Cells[3, 9] = "Some Text"