public static void Run()
{
// ExStart:UsingFormulaTextFunction
// Create a workbook object
Workbook workbook = new Workbook();
// Access first worksheet
Worksheet worksheet = workbook.Worksheets[0];
// Put some formula in cell A1
Cell cellA1 = worksheet.Cells["A1"];
cellA1.Formula = "=Sum(B1:B10)";
// Get the text of the formula in cell A2 using FORMULATEXT function
Cell cellA2 = worksheet.Cells["A2"];
cellA2.Formula = "=FormulaText(A1)";
// Calculate the workbook
workbook.CalculateFormula();
// Print the results of A2, It will now print the text of the formula inside cell A1
Console.WriteLine(cellA2.StringValue);
// ExEnd:UsingFormulaTextFunction
}
}