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How to: Programmatically Run Excel Calculations Programmatically

You use a similar process to run calculations in a NamedRange control or a native Excel range object.

Applies to: The information in this topic applies to document-level projects and application-level projects for Excel 2013 and Excel 2010. For more information, see Features Available by Office Application and Project Type.

The following example creates a NamedRange at cell A1 and then calculates the cell. This code must be placed in a sheet class, not in the ThisWorkbook class.

To run calculations in a NamedRange control

  1. Create the named range.

    Microsoft.Office.Tools.Excel.NamedRange NamedRange1 =
        this.Controls.AddNamedRange(this.get_Range("A1"), "NamedRange1");
    
  2. Call the Calculate method of the specified range.

    NamedRange1.Calculate();
    

To run calculations in a native Excel Range

  1. Create the named range.

    Excel.Range rng = this.Application.get_Range("A1");
    
  2. Call the Range.Calculate method of the specified range.

    rng.Calculate();
    
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