Document Solutions for Excel, .NET Edition | Document Solutions
GrapeCity.Documents.Excel Namespace / IFormulaOptions Interface / CalculationMode Property
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    CalculationMode Property
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    Gets or sets the calculation mode, this setting will only affect I/O of MS Excel/SSJSON/SJS files. Setting CalculationMode as CalculationMode.Manual will prevent MS Excel or SpreadJS from automatically calculating formulas on opening the workbook. Additionally, CalculationMode.Manual improves the speed of opening workbooks that contain a large number of formulas in MSExcel and SpreadJS. If you want to disable the calculation for the current workbook, please use Workbook.EnableCalculation.
    Syntax
    CalculationMode CalculationMode {get; set;}
    See Also