Sub dCount()
Dim rCnt, cCnt As Integer
rCnt = Range("A1").EntireColumn.SpecialCells(xlCellTypeConstants).Count
cCnt = Range("A1").EntireRow.SpecialCells(xlCellTypeConstants).Count
rCnt = Cell(1, 1).EntireColumn.SpecialCells(xlCellTypeConstants).Count
cCnt = Cell(1, 1).EntireRow.SpecialCells(xlCellTypeConstants).Count
MsgBox "A列のデータ件数は" & rCnt & "件で、1行目のデータ数は" & cCnt & "件です"
End Sub