为何打开的Excel文档是只读的?
public Excel.Workbook OpenWorkbook(Excel._Application app, string fileName, bool readOnly)
{
Debug.Assert (app != null && fileName != null && fileName != string.Empty);
if(app == null || fileName == null || fileName == string.Empty)
return null;
object missing = Type.Missing;
object r = readOnly;
return app.Workbooks.Open(fileName,
missing,
r,
missing,
missing,
missing,
missing,
missing,
missing,
missing,
missing,
missing,
missing);
}
readOnly 无论是true 或 false,打开的文档都是只读的,为何?