EPPlus not caluculating formula output after binding

问题:

I am using EPPlus. I am stuck at cell formulas.

My code is below:

ExcelPackage pck = new ExcelPackage(@"D:\MYSheets\EmptyFile.xlsx"); var ws = pck.Workbook.Worksheets["MySheet"];  ws.Cells["A3"].Value = "2.3"; ws.Cells["A4"].Value = "10.2";  ws.Cells["A5"].Formula = "=SUM(A3:A4)"; ws.Cells["A5"].Style.Numberformat.Format = "#,##0.00"; pck.Save(); 

When I open Excel, by default, A5 cell is not calculating the sum of A3 and A4. Unless I modify the A3 and/or A4 cells, the A5 cell remains not calculated.

I tried using the following code but it didn't work for me:

ws.Workbook.CalcMode = ExcelCalcMode.Automatic; 

回答1:

Try:

ws.Cells["A3"].Value = 2.3; ws.Cells["A4"].Value = 10.2; 

You were telling EPPlus to store the values as a string, that's why the formula failed.

回答2:

also replace

ws.Cells["A5"].Formula = "=SUM(A3:A4)"; 

with

ws.Cells["A5"].Formula = "SUM(A3:A4)"; 

to result value of A5

回答3:

perform Calculate() on the sheet, workbook or cell to ensure the formula executes. https://epplus.codeplex.com/wikipage?title=About%20Formula%20calculation

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