/// <summary>
/// Replaces the numeric cell identifiers we inserted with AddNumericCellIDs with the traditional
/// A1, A2 cell identifiers that Excel understands.
/// Private method, for internal use only!
/// </summary>
private void ReplaceNumericCellIDs()
{
int maxColumn = 0;
// process each row
foreach (XmlNode rowNode in WorksheetXml.SelectNodes("//d:sheetData/d:row", NameSpaceManager))
{
int row = Convert.ToInt32(rowNode.Attributes.GetNamedItem("r").Value);
int count = 0;
// process each cell in current row
foreach (XmlNode colNode in rowNode.SelectNodes("./d:c", NameSpaceManager))
{
XmlAttribute colNumber = (XmlAttribute)colNode.Attributes.GetNamedItem(tempColumnNumberTag);
if (colNumber != null)
{
count++;
if (count > maxColumn)
{
maxColumn = count;
}
int col = Convert.ToInt32(colNumber.Value);
string cellAddress = ExcelCell.GetColumnLetter(col) + row.ToString();
XmlAttribute attr = WorksheetXml.CreateAttribute("r");
if (attr != null)
{
attr.Value = cellAddress;
// the cellAddress needs to be the first attribute, otherwise Excel complains
if (colNode.Attributes.Count == 0)
{
colNode.Attributes.Append(attr);
}
else
{
colNode.Attributes.InsertBefore(attr, (XmlAttribute)colNode.Attributes.Item(0));
}
}
// remove all numeric cell addresses added by AddNumericCellIDs
colNode.Attributes.Remove(colNumber);
}
}
}
// process each row and add the spans attribute
// TODO: Need to add proper spans handling.
//foreach (XmlNode rowNode in XmlDoc.SelectNodes("//d:sheetData/d:row", NameSpaceManager))
//{
// // we must add or update the "spans" attribute of each row
// XmlAttribute spans = (XmlAttribute)rowNode.Attributes.GetNamedItem("spans");
// if (spans == null)
// {
// spans = XmlDoc.CreateAttribute("spans");
// rowNode.Attributes.Append(spans);
// }
// spans.Value = "1:" + maxColumn.ToString();
//}
}
/// <summary>
/// Get a range reference in Excel format
/// e.g. GetRange("sheet", 1,5,10,2) => "sheet!$J$1:$K$5"
/// </summary>
/// <param name="worksheet"></param>
/// <param name="startRow"></param>
/// <param name="rowCount">Number of rows to include, >=1</param>
/// <param name="startCol"></param>
/// <param name="colCount">Number of columns to include, >=1</param>
/// <returns></returns>
public static String GetRangeRef(String worksheet,
int startRow, int rowCount, int startCol, int colCount)
{
// Be tolerant
if (rowCount <= 0)
{
rowCount = 1;
}
if (colCount <= 0)
{
colCount = 1;
}
return(worksheet + "!" +
"$" + ExcelCell.GetColumnLetter(startCol) + "$" + startRow + ":" +
"$" + ExcelCell.GetColumnLetter(startCol + colCount - 1) + "$" + (startRow + rowCount - 1));
}
