/// <summary>
/// Sets a cell value. The row and the cell are created if they do not exist. If the cell exists, the contents of the cell is overwritten
/// </summary>
/// <param name="spreadsheet">Spreadsheet to use</param>
/// <param name="worksheet">Worksheet to use</param>
/// <param name="columnIndex">Index of the column</param>
/// <param name="rowIndex">Index of the row</param>
/// <param name="valueType">Type of the value</param>
/// <param name="value">The actual value</param>
/// <param name="styleIndex">Index of the style to use. Null if no style is to be defined</param>
/// <param name="save">Save the worksheet?</param>
/// <returns>True if succesful</returns>
private static bool SetCellValue(DocumentFormat.OpenXml.Packaging.SpreadsheetDocument spreadsheet, DocumentFormat.OpenXml.Spreadsheet.Worksheet worksheet, uint columnIndex, uint rowIndex, DocumentFormat.OpenXml.Spreadsheet.CellValues valueType, string value, uint?styleIndex, bool save = true)
{
DocumentFormat.OpenXml.Spreadsheet.SheetData sheetData = worksheet.GetFirstChild <DocumentFormat.OpenXml.Spreadsheet.SheetData>();
DocumentFormat.OpenXml.Spreadsheet.Row row;
DocumentFormat.OpenXml.Spreadsheet.Row previousRow = null;
DocumentFormat.OpenXml.Spreadsheet.Cell cell;
DocumentFormat.OpenXml.Spreadsheet.Cell previousCell = null;
DocumentFormat.OpenXml.Spreadsheet.Columns columns;
DocumentFormat.OpenXml.Spreadsheet.Column previousColumn = null;
string cellAddress = Excel.ColumnNameFromIndex(columnIndex) + rowIndex;
// Check if the row exists, create if necessary
if (sheetData.Elements <DocumentFormat.OpenXml.Spreadsheet.Row>().Where(item => item.RowIndex == rowIndex).Count() != 0)
{
row = sheetData.Elements <DocumentFormat.OpenXml.Spreadsheet.Row>().Where(item => item.RowIndex == rowIndex).First();
}
else
{
row = new DocumentFormat.OpenXml.Spreadsheet.Row()
{
RowIndex = rowIndex
};
//sheetData.Append(row);
for (uint counter = rowIndex - 1; counter > 0; counter--)
{
previousRow = sheetData.Elements <DocumentFormat.OpenXml.Spreadsheet.Row>().Where(item => item.RowIndex == counter).FirstOrDefault();
if (previousRow != null)
{
break;
}
}
sheetData.InsertAfter(row, previousRow);
}
// Check if the cell exists, create if necessary
if (row.Elements <DocumentFormat.OpenXml.Spreadsheet.Cell>().Where(item => item.CellReference.Value == cellAddress).Count() > 0)
{
cell = row.Elements <DocumentFormat.OpenXml.Spreadsheet.Cell>().Where(item => item.CellReference.Value == cellAddress).First();
}
else
{
// Find the previous existing cell in the row
for (uint counter = columnIndex - 1; counter > 0; counter--)
{
previousCell = row.Elements <DocumentFormat.OpenXml.Spreadsheet.Cell>().Where(item => item.CellReference.Value == Excel.ColumnNameFromIndex(counter) + rowIndex).FirstOrDefault();
if (previousCell != null)
{
break;
}
}
cell = new DocumentFormat.OpenXml.Spreadsheet.Cell()
{
CellReference = cellAddress
};
row.InsertAfter(cell, previousCell);
}
// Check if the column collection exists
columns = worksheet.Elements <DocumentFormat.OpenXml.Spreadsheet.Columns>().FirstOrDefault();
if (columns == null)
{
columns = worksheet.InsertAt(new DocumentFormat.OpenXml.Spreadsheet.Columns(), 0);
}
// Check if the column exists
if (columns.Elements <DocumentFormat.OpenXml.Spreadsheet.Column>().Where(item => item.Min == columnIndex).Count() == 0)
{
// Find the previous existing column in the columns
for (uint counter = columnIndex - 1; counter > 0; counter--)
{
previousColumn = columns.Elements <DocumentFormat.OpenXml.Spreadsheet.Column>().Where(item => item.Min == counter).FirstOrDefault();
if (previousColumn != null)
{
break;
}
}
columns.InsertAfter(
new DocumentFormat.OpenXml.Spreadsheet.Column()
{
Min = columnIndex,
Max = columnIndex,
CustomWidth = true,
Width = 9
}, previousColumn);
}
// Add the value
cell.CellValue = new DocumentFormat.OpenXml.Spreadsheet.CellValue(value);
if (styleIndex != null)
{
cell.StyleIndex = styleIndex;
}
if (valueType != DocumentFormat.OpenXml.Spreadsheet.CellValues.Date)
{
cell.DataType = new DocumentFormat.OpenXml.EnumValue <DocumentFormat.OpenXml.Spreadsheet.CellValues>(valueType);
}
if (save)
{
worksheet.Save();
}
return(true);
}
