如何复制多文件excel并粘贴到一个文件excel

Question

srcPath = @textBox1.Text;
srcxlApp = new Excel.Application();
srcworkBook = srcxlApp.Workbooks.Open(srcPath);
srcworkSheet = srcworkBook.Worksheets.get_Item(1);
srcrange = srcworkSheet.UsedRange;
srcrange.Copy(Type.Missing);

如何复制多文件excel并粘贴到C＃

中的一个文件excel