Zusammenführen von zwei benachbarten Zellen
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OpenXML Excel
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Merge two adjacent cells.xlsx";
string sheetName = "Sheet1";
string cell1Name = "A2";
string cell2Name = "B2";
MergeTwoCells(FileName, sheetName, cell1Name, cell2Name);
// Given a document name, a worksheet name, and the names of two adjacent cells, merges the two cells.
// When two cells are merged, only the content from one cell is preserved:
// the upper-left cell for left-to-right languages or the upper-right cell for right-to-left languages.
private static void MergeTwoCells(string docName, string sheetName, string cell1Name, string cell2Name)
{
// Open the document for editing.
using (SpreadsheetDocument document = SpreadsheetDocument.Open(docName, true))
{
Worksheet worksheet = GetWorksheet(document, sheetName);
if (worksheet == null || string.IsNullOrEmpty(cell1Name) || string.IsNullOrEmpty(cell2Name))
{
return;
}
// Verify if the specified cells exist, and if they do not exist, create them.
CreateSpreadsheetCellIfNotExist(worksheet, cell1Name);
CreateSpreadsheetCellIfNotExist(worksheet, cell2Name);
MergeCells mergeCells;
if (worksheet.Elements<MergeCells>().Count() > 0)
{
mergeCells = worksheet.Elements<MergeCells>().First();
}
else
{
mergeCells = new MergeCells();
// Insert a MergeCells object into the specified position.
if (worksheet.Elements<CustomSheetView>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<CustomSheetView>().First());
}
else if (worksheet.Elements<DataConsolidate>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<DataConsolidate>().First());
}
else if (worksheet.Elements<SortState>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<SortState>().First());
}
else if (worksheet.Elements<AutoFilter>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<AutoFilter>().First());
}
else if (worksheet.Elements<Scenarios>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<Scenarios>().First());
}
else if (worksheet.Elements<ProtectedRanges>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<ProtectedRanges>().First());
}
else if (worksheet.Elements<SheetProtection>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<SheetProtection>().First());
}
else if (worksheet.Elements<SheetCalculationProperties>().Count() > 0)
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<SheetCalculationProperties>().First());
}
else
{
worksheet.InsertAfter(mergeCells, worksheet.Elements<SheetData>().First());
}
}
// Create the merged cell and append it to the MergeCells collection.
MergeCell mergeCell = new MergeCell() { Reference = new StringValue(cell1Name + ":" + cell2Name) };
mergeCells.Append(mergeCell);
worksheet.Save();
}
}
// Given a Worksheet and a cell name, verifies that the specified cell exists.
// If it does not exist, creates a new cell.
private static void CreateSpreadsheetCellIfNotExist(Worksheet worksheet, string cellName)
{
string columnName = GetColumnName(cellName);
uint rowIndex = GetRowIndex(cellName);
IEnumerable<Row> rows = worksheet.Descendants<Row>().Where(r => r.RowIndex.Value == rowIndex);
// If the Worksheet does not contain the specified row, create the specified row.
// Create the specified cell in that row, and insert the row into the Worksheet.
if (rows.Count() == 0)
{
Row row = new Row() { RowIndex = new UInt32Value(rowIndex) };
Cell cell = new Cell() { CellReference = new StringValue(cellName) };
row.Append(cell);
worksheet.Descendants<SheetData>().First().Append(row);
worksheet.Save();
}
else
{
Row row = rows.First();
IEnumerable<Cell> cells = row.Elements<Cell>().Where(c => c.CellReference.Value == cellName);
// If the row does not contain the specified cell, create the specified cell.
if (cells.Count() == 0)
{
Cell cell = new Cell() { CellReference = new StringValue(cellName) };
row.Append(cell);
worksheet.Save();
}
}
}
// Given a SpreadsheetDocument and a worksheet name, get the specified worksheet.
private static Worksheet GetWorksheet(SpreadsheetDocument document, string worksheetName)
{
IEnumerable<Sheet> sheets = document.WorkbookPart.Workbook.Descendants<Sheet>().Where(s => s.Name == worksheetName);
WorksheetPart worksheetPart = (WorksheetPart)document.WorkbookPart.GetPartById(sheets.First().Id);
if (sheets.Count() == 0)
return null;
else
return worksheetPart.Worksheet;
}
// Given a cell name, parses the specified cell to get the column name.
private static string GetColumnName(string cellName)
{
// Create a regular expression to match the column name portion of the cell name.
Regex regex = new Regex("[A-Za-z]+");
Match match = regex.Match(cellName);
return match.Value;
}
// Given a cell name, parses the specified cell to get the row index.
private static uint GetRowIndex(string cellName)
{
// Create a regular expression to match the row index portion the cell name.
Regex regex = new Regex(@"\d+");
Match match = regex.Match(cellName);
return uint.Parse(match.Value);
}
Aspose.Cells
string FilePath = @"..\..\..\..\Sample Files\";
string FileName = FilePath + "Merge two adjacent cells.xlsx";
string sheetName = "Sheet1";
string cell1Name = "A2";
string cell2Name = "B2";
MergeTwoCells(FileName, sheetName, cell1Name, cell2Name);
private static void MergeTwoCells(string docName, string sheetName, string cell1Name, string cell2Name)
{
//Instantiating a Workbook object
Workbook workbook = new Workbook(docName);
//Obtaining the reference of the worksheet by passing its Name
Worksheet worksheet = workbook.Worksheets[sheetName];
//Get the range of cells i.e.., A1:C1.
Range range = worksheet.Cells.CreateRange(cell1Name,cell2Name);
//Merge the cells.
range.Merge();
//Saving the Excel file
workbook.Save(docName);
}