通过epplus援引Excel公式

问题描述

我有一个Excel工作表中的ASP.NET MVC4 C＃项目，我能够从成功地运用EPPlus Excel工作表来读取。现在，我希望能在2号传递到细胞C：2和C：3，并能够在C调用公式：4这是= SUM（C2：C3）。

所以从C＃我想在4和6通过并调用式并能够从C得到的结果回：4，其是40（10和30 SUM）。我如何做到在C＃。

在以下code，我回去为零d.Average

  d.Average = Convert.ToDouble（currentWorksheet.Cells [C4]值。）;
 

下面是我下面code在C＃至今遍历一行。

 使用（VAR包=新ExcelPackage（existingFile））
        {
            ExcelWorkbook工作簿= package.Workbook;
            变种currentWorksheet = workBook.Worksheets.First（）;
            currentWorksheet.Workbook.CalcMode = ExcelCalcMode.Automatic;
            currentWorksheet.Cells [C4] =公式= SUM（C2：C3）;
            currentWorksheet.Cells [C2]值= 10。
            currentWorksheet.Cells [C3]值= 30。
            package.Save（）;
        }        使用（VAR包=新ExcelPackage（existingFile））
        {
            ExcelWorkbook工作簿= package.Workbook;
            变种currentWorksheet = workBook.Worksheets.First（）;
            d.Average = Convert.ToDouble（currentWorksheet.Cells [C4]值。）;
        }
 

解决方案

跳过 = 在公式字符串。

替换 currentWorksheet.Cells [C4] =公式= SUM（C2：C3）;

与

currentWorksheet.Cells [C4]公式=SUM（C2：C3）;

I have an excel sheet in ASP.NET MVC4 C# project and I am able to read from excel sheet successfully using EPPlus. Now, I want to be able to pass in 2 numbers into cell C:2 and C:3 and be able to invoke formula in C:4 which is =SUM(C2:C3).

So from C# I want to pass in 4 and 6 and invoke the formula and be able to get the result back from C:4 which is 40 (SUM of 10 and 30). How do I accomplish that in C#.

In the following code, I get back zero for d.Average

d.Average = Convert.ToDouble(currentWorksheet.Cells["C4"].Value);

Here is my following code in c# so far to traverse a row.

        using (var package = new ExcelPackage(existingFile))
        {
            ExcelWorkbook workBook = package.Workbook;
            var currentWorksheet = workBook.Worksheets.First();
            currentWorksheet.Workbook.CalcMode = ExcelCalcMode.Automatic;
            currentWorksheet.Cells["C4"].Formula = "=SUM(C2:C3)";
            currentWorksheet.Cells["C2"].Value = 10;
            currentWorksheet.Cells["C3"].Value = 30;
            package.Save();


        }

        using (var package = new ExcelPackage(existingFile))
        {
            ExcelWorkbook workBook = package.Workbook;
            var currentWorksheet = workBook.Worksheets.First();
            d.Average = Convert.ToDouble(currentWorksheet.Cells["C4"].Value);
        }

解决方案

Skip the = in the formula string.

Replace currentWorksheet.Cells["C4"].Formula = "=SUM(C2:C3)";

with

currentWorksheet.Cells["C4"].Formula = "SUM(C2:C3)";

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