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LanguageCsharp
LicenseMIT_X11

How to bind a validation list to a cell of Excel file in Csharp

This c# method allows to define a validation list of entries (as string, using comma [,] as separator character) to bind to a specific cell for a sheet in an xls file (Microsoft Excel compatible). The validation list appears as a dropdown menu, where the user can choose the content from.
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enum Result { Passed, Partially_Passed, Failed, Blocked, Not_Applicable, Not_Tested } /// <summary> /// This method creates a Excel validation list for the selected cell, and associate the list to the cell (dropdown combo box) /// </summary> /// <param name="ws">Excel worksheet</param> /// <param name="excel_CellToValidate">Cell to validate</param> /// <param name="listForValidation">List of data to use for validation</param> private void Excel_createCellValidationDropDownList(Worksheet ws, string excel_CellToValidate, string listForValidation) { ws.get_Range(excel_CellToValidate, excel_CellToValidate).Cells.Validation.Delete(); ws.get_Range(excel_CellToValidate, excel_CellToValidate).Cells.Validation.Add( XlDVType.xlValidateList, XlDVAlertStyle.xlValidAlertInformation, XlFormatConditionOperator.xlBetween, listForValidation, Type.Missing); } //Example of usage string m_excelList = string.Join(",", Enum.GetNames(typeof(Result))); this.Excel_createCellValidationDropDownList(ws, "C1", m_excelList);
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