Recupera i valori delle celle
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OpenXML SDK
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Retrieve the values of cells.xlsx";
// Retrieve the value in cell A1.
string value = GetCellValue(FileName, "Sheet1", "A1");
Console.WriteLine(value);
// Retrieve the value of a cell, given a file name, sheet name,
// and address name.
public static string GetCellValue(string fileName,
string sheetName,
string addressName)
{
string value = null;
// Open the spreadsheet document for read-only access.
using (SpreadsheetDocument document =
SpreadsheetDocument.Open(fileName, false))
{
// Retrieve a reference to the workbook part.
WorkbookPart wbPart = document.WorkbookPart;
// Find the sheet with the supplied name, and then use that
// Sheet object to retrieve a reference to the first worksheet.
Sheet theSheet = wbPart.Workbook.Descendants<Sheet>().
Where(s => s.Name == sheetName).FirstOrDefault();
// Throw an exception if there is no sheet.
if (theSheet == null)
{
throw new ArgumentException("sheetName");
}
// Retrieve a reference to the worksheet part.
WorksheetPart wsPart =
(WorksheetPart)(wbPart.GetPartById(theSheet.Id));
// Use its Worksheet property to get a reference to the cell
// whose address matches the address you supplied.
Cell theCell = wsPart.Worksheet.Descendants<Cell>().
Where(c => c.CellReference == addressName).FirstOrDefault();
// If the cell does not exist, return an empty string.
if (theCell != null)
{
value = theCell.InnerText;
// If the cell represents an integer number, you are done.
// For dates, this code returns the serialized value that
// represents the date. The code handles strings and
// Booleans individually. For shared strings, the code
// looks up the corresponding value in the shared string
// table. For Booleans, the code converts the value into
// the words TRUE or FALSE.
if (theCell.DataType != null)
{
switch (theCell.DataType.Value)
{
case CellValues.SharedString:
// For shared strings, look up the value in the
// shared strings table.
var stringTable =
wbPart.GetPartsOfType<SharedStringTablePart>()
.FirstOrDefault();
// If the shared string table is missing, something
// is wrong. Return the index that is in
// the cell. Otherwise, look up the correct text in
// the table.
if (stringTable != null)
{
value =
stringTable.SharedStringTable
.ElementAt(int.Parse(value)).InnerText;
}
break;
case CellValues.Boolean:
switch (value)
{
case "0":
value = "FALSE";
break;
default:
value = "TRUE";
break;
}
break;
}
}
}
}
return value;
}
Aspose.Cells
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Retrieve the values of cells.xlsx";
// Retrieve the value in cell A1.
string value = GetCellValue(FileName, "Sheet1", "A1");
Console.WriteLine(value);
Console.ReadKey();
// Retrieve the value of a cell, given a file name, sheet name,
// and address name.
public static string GetCellValue(string fileName,
string sheetName,
string addressName)
{
//Instantiating a Workbook object
Workbook workbook = new Workbook(fileName);
//Obtaining the reference of the Active worksheet
Worksheet worksheet = workbook.Worksheets.GetSheetByCodeName(sheetName);
//retrieve value from cell
string returnValue = worksheet.Cells[addressName].Value.ToString();
return returnValue;
}