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Excel if <> #NA


Excel if <> #NA

By : swati
Date : November 28 2020, 11:01 PM
To fix the issue you can do To begin with I've tried searching the forum and can't find what I'm looking. , Check below formula:
code :
=IF(NOT(ISERROR(C70)),C70,IF(NOT(ISERROR(D70)),D70,IF(NOT(ISERROR(E70)),E70,IF(NOT(ISERROR(F70)),F70,"No Value"))))


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C# and Microsoft Excel 9.0 Object Library (Excel 2000) getting a cell coordinate excel style

C# and Microsoft Excel 9.0 Object Library (Excel 2000) getting a cell coordinate excel style


By : user1754634
Date : March 29 2020, 07:55 AM
it should still fix some issue Use the Address property.
code :
string addr = range.get_Address(Type.Missing, Type.Missing, 
    Excel.XlReferenceStyle.xlA1, Type.Missing, Type.Missing);
Parse Excel file with Microsoft.Office.Interop.Excel - hanging Excel.exe process in Memory

Parse Excel file with Microsoft.Office.Interop.Excel - hanging Excel.exe process in Memory


By : user3387987
Date : March 29 2020, 07:55 AM
I hope this helps you . You might need to use Marshal.ReleaseComObject - see the answers to this question and this question.
How to open excel worksheet on aspose cell in existing excel template and write new excel worksheets on existing excel t

How to open excel worksheet on aspose cell in existing excel template and write new excel worksheets on existing excel t


By : Ilham Satyabudi
Date : March 29 2020, 07:55 AM
it should still fix some issue As per your last comment, you can import the data from a datatable (dataset) to a new worksheet in an existing workbook using the following code sample:
code :
//Open the existing workbook
Workbook workbook = new Workbook("book1.xls");

//add new worksheet other than the existing worksheets
Worksheet worksheet = workbook.Worksheets.Add("New Sheet");

//import data from datatable (dataset) to newly created worksheet
//dataTable is the dataset table
worksheet.Cells.ImportDataTable(dataTable, true, "A1");

//save the updated workbook
workbook.Save("book1.xls");
How to check a Cell contains formula or not in Excel through oledb reader or excel library, excel datareader or NPOI etc

How to check a Cell contains formula or not in Excel through oledb reader or excel library, excel datareader or NPOI etc


By : user3776192
Date : March 29 2020, 07:55 AM
I wish this help you You can use the OpenXML SDK to read Xlsx files.
To do this you need to add a reference to the OpenXML library which can be done via the nuget package (you'll also need a reference to WindowsBase). You then need to load the spreadsheet, find the sheet you're interested in and iterate the cells.
code :
public static bool OutputFormulae(string filename, string sheetName)
{
    bool hasFormula = false;

    //open the document
    using (SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(filename, false))
    {
        //get the workbookpart
        WorkbookPart workbookPart = spreadsheetDocument.WorkbookPart;
        //get the correct sheet
        Sheet sheet = workbookPart.Workbook.Descendants<Sheet>().Where(s => s.Name == sheetName).First();
        if (sheet != null)
        {
            //get the corresponding worksheetpart
            WorksheetPart worksheetPart = workbookPart.GetPartById(sheet.Id) as WorksheetPart;

            //iterate the child Cells
            foreach (Cell cell in worksheetPart.Worksheet.Descendants<Cell>())
            {
                //check for a formula
                if (cell.CellFormula != null && !string.IsNullOrEmpty(cell.CellFormula.Text))
                {
                    hasFormula = true;
                    Console.WriteLine("Cell {0} has the formula {1}", cell.CellReference, cell.CellFormula.Text);
                }
            }
        }
    }

    return hasFormula;
}
bool formulaExistsInSheet = OutputFormulae(@"d:\test.xlsx", "Sheet1");
Console.WriteLine("Formula exists? {0}", formulaExistsInSheet);
public static bool HasFormula(string filename, string sheetName)
{
    bool hasFormula = false;
    //open the document
    using (SpreadsheetDocument spreadsheetDocument = SpreadsheetDocument.Open(filename, false))
    {
        //get the workbookpart
        WorkbookPart workbookPart = spreadsheetDocument.WorkbookPart;
        //get the correct sheet
        Sheet sheet = workbookPart.Workbook.Descendants<Sheet>().Where(s => s.Name == sheetName).First();
        if (sheet != null)
        {
            //get the corresponding worksheetpart
            WorksheetPart worksheetPart = workbookPart.GetPartById(sheet.Id) as WorksheetPart;

            hasFormula = worksheetPart.Worksheet.Descendants<Cell>().Any(c =>
                c.CellFormula != null && !string.IsNullOrEmpty(c.CellFormula.Text));
        }
    }

    return hasFormula;
}
ADO Recordset to Excel spreadsheet opens properly in Excel 2007, has a missing parameter in Excel 2013

ADO Recordset to Excel spreadsheet opens properly in Excel 2007, has a missing parameter in Excel 2013


By : Demi Oyewusi
Date : March 29 2020, 07:55 AM
Any of those help Most of the Excel files I'm reading from do not have headers for the first two fields. THIS ONE DOES, and I had to replace [F1] with the correct field name.
(Answer pasted from my edit on 10 July 2015.)
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