Inserire testo in una cella
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OpenXML Excel
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Insert text into a cell.xlsx";
InsertText(FileName, "Inserted Text");
// Given a document name and text,
// inserts a new work sheet and writes the text to cell "A1" of the new worksheet.
public static void InsertText(string docName, string text)
{
// Open the document for editing.
using (SpreadsheetDocument spreadSheet = SpreadsheetDocument.Open(docName, true))
{
// Get the SharedStringTablePart. If it does not exist, create a new one.
SharedStringTablePart shareStringPart;
if (spreadSheet.WorkbookPart.GetPartsOfType<SharedStringTablePart>().Count() > 0)
{
shareStringPart = spreadSheet.WorkbookPart.GetPartsOfType<SharedStringTablePart>().First();
}
else
{
shareStringPart = spreadSheet.WorkbookPart.AddNewPart<SharedStringTablePart>();
}
// Insert the text into the SharedStringTablePart.
int index = InsertSharedStringItem(text, shareStringPart);
// Insert a new worksheet.
WorksheetPart worksheetPart = InsertWorksheet(spreadSheet.WorkbookPart);
// Insert cell A1 into the new worksheet.
Cell cell = InsertCellInWorksheet("A", 1, worksheetPart);
// Set the value of cell A1.
cell.CellValue = new CellValue(index.ToString());
cell.DataType = new EnumValue<CellValues>(CellValues.SharedString);
// Save the new worksheet.
worksheetPart.Worksheet.Save();
}
}
// Given text and a SharedStringTablePart, creates a SharedStringItem with the specified text
// and inserts it into the SharedStringTablePart. If the item already exists, returns its index.
private static int InsertSharedStringItem(string text, SharedStringTablePart shareStringPart)
{
// If the part does not contain a SharedStringTable, create one.
if (shareStringPart.SharedStringTable == null)
{
shareStringPart.SharedStringTable = new SharedStringTable();
}
int i = 0;
// Iterate through all the items in the SharedStringTable. If the text already exists, return its index.
foreach (SharedStringItem item in shareStringPart.SharedStringTable.Elements<SharedStringItem>())
{
if (item.InnerText == text)
{
return i;
}
i++;
}
// The text does not exist in the part. Create the SharedStringItem and return its index.
shareStringPart.SharedStringTable.AppendChild(new SharedStringItem(new DocumentFormat.OpenXml.Spreadsheet.Text(text)));
shareStringPart.SharedStringTable.Save();
return i;
}
// Given a WorkbookPart, inserts a new worksheet.
private static WorksheetPart InsertWorksheet(WorkbookPart workbookPart)
{
// Add a new worksheet part to the workbook.
WorksheetPart newWorksheetPart = workbookPart.AddNewPart<WorksheetPart>();
newWorksheetPart.Worksheet = new Worksheet(new SheetData());
newWorksheetPart.Worksheet.Save();
Sheets sheets = workbookPart.Workbook.GetFirstChild<Sheets>();
string relationshipId = workbookPart.GetIdOfPart(newWorksheetPart);
// Get a unique ID for the new sheet.
uint sheetId = 1;
if (sheets.Elements<Sheet>().Count() > 0)
{
sheetId = sheets.Elements<Sheet>().Select(s => s.SheetId.Value).Max() + 1;
}
string sheetName = "Sheet" + sheetId;
// Append the new worksheet and associate it with the workbook.
Sheet sheet = new Sheet() { Id = relationshipId, SheetId = sheetId, Name = sheetName };
sheets.Append(sheet);
workbookPart.Workbook.Save();
return newWorksheetPart;
}
// Given a column name, a row index, and a WorksheetPart, inserts a cell into the worksheet.
// If the cell already exists, returns it.
private static Cell InsertCellInWorksheet(string columnName, uint rowIndex, WorksheetPart worksheetPart)
{
Worksheet worksheet = worksheetPart.Worksheet;
SheetData sheetData = worksheet.GetFirstChild<SheetData>();
string cellReference = columnName + rowIndex;
// If the worksheet does not contain a row with the specified row index, insert one.
Row row;
if (sheetData.Elements<Row>().Where(r => r.RowIndex == rowIndex).Count() != 0)
{
row = sheetData.Elements<Row>().Where(r => r.RowIndex == rowIndex).First();
}
else
{
row = new Row() { RowIndex = rowIndex };
sheetData.Append(row);
}
// If there is not a cell with the specified column name, insert one.
if (row.Elements<Cell>().Where(c => c.CellReference.Value == columnName + rowIndex).Count() > 0)
{
return row.Elements<Cell>().Where(c => c.CellReference.Value == cellReference).First();
}
else
{
// Cells must be in sequential order according to CellReference. Determine where to insert the new cell.
Cell refCell = null;
foreach (Cell cell in row.Elements<Cell>())
{
if (string.Compare(cell.CellReference.Value, cellReference, true) > 0)
{
refCell = cell;
break;
}
}
Cell newCell = new Cell() { CellReference = cellReference };
row.InsertBefore(newCell, refCell);
worksheet.Save();
return newCell;
}
}
Aspose.Cells
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Insert text into a cell.xlsx";
InsertText(FileName, "Inserted Text");
private static void InsertText(string docName, string text)
{
//Instantiating a Workbook object
Workbook workbook = new Workbook(docName);
//Obtaining the reference of the Active worksheet
Worksheet worksheet = workbook.Worksheets[workbook.Worksheets.ActiveSheetIndex];
//insert value from cell
worksheet.Cells["A1"].PutValue(text);
//Saving the Excel file
workbook.Save(docName);
}