Hi All, I've got some problems with placing formulas in a cell in excel using C#; I'm trying to add a CONCATENATE(B1;C1) to cell A1. When I do not Numberformat the cell to text I get an error message, but when i do numberformat the c ...

I'm looking for a way to hatch cells in excel using c#. I was searching the internet but the only thing I came across was by using some paid extension. While hatching cells from within excel itself is a basic feature this should also be pos ...