Excel exceution of prebuilt calculations

I working with a licensed aspose.cells. I tried a simple injection and evaluation test using a prebuilt excel 2003 spreadsheet (.xls) containing formulas that depend on input values. I wanted to be able to programmatically write the input values into the excel doc then read off the calculated values:

Example

In the document Test.xls in cell A2 is a formula: =if(A1>0;"true";"false"). I want to be able to set the value into A1 and then read the evaluated value from cell A2 which should be true. I entered, however it returns "false" as if no value in A1 has been set. Perhaps I am missing something - is this possible using Aspose.Cells ?

Heres my code
int inputValue = System.Convert.ToInt32(txtInputValue.Text);
Workbook wb = new Workbook();
wb.LoadData("c:\Test.xls");
Worksheet ws = wb.Worksheets["Sheet1"];
ws.Cells["A1"].PutValue(inputValue);
ltlOutput.Text = ws.Cells["A2"].Value.ToString();

Thanks for your help.

Hi,

Thank you for considering Aspose.

Please use Workbook.CalculateFormula() method before retrieving the updated value from the cell (to evaluate the formulas). Please see the following updated code:

int inputValue = System.Convert.ToInt32(txtInputValue.Text);

Workbook wb = new Workbook();

wb.LoadData("c:\Test.xls");

Worksheet ws = wb.Worksheets["Sheet1"];

ws.Cells["A1"].PutValue(inputValue);

wb.CalculateFormula();

ltlOutput.Text = ws.Cells["A2"].Value.ToString();

Thank You & Best Regards,