/// <summary>
/// Returns the index of a shared string.
/// </summary>
/// <param name="spreadsheet">Spreadsheet to use</param>
/// <param name="stringItem">String to search for</param>
/// <returns>Index of a shared string. -1 if not found</returns>
public static int IndexOfSharedString(DocumentFormat.OpenXml.Packaging.SpreadsheetDocument spreadsheet, string stringItem)
{
DocumentFormat.OpenXml.Spreadsheet.SharedStringTable sharedStringTable = spreadsheet.WorkbookPart.SharedStringTablePart.SharedStringTable;
bool found = false;
int index = 0;
foreach (DocumentFormat.OpenXml.Spreadsheet.SharedStringItem sharedString in sharedStringTable.Elements <DocumentFormat.OpenXml.Spreadsheet.SharedStringItem>())
{
if (sharedString.InnerText == stringItem)
{
found = true;
break;;
}
index++;
}
return(found ? index : -1);
}
