Are you inserting lines of commands from the Excel spreadsheet to the command line of AutoCad?  In other words are you wanting to insert command lines that will then be executed?  I do not understand.

Refer to Thread555-51546

DimensionalSolutions@Core.com
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This works for Microstation.  Notice that Microstation is called "ustn".  You'll need Windows' internal name for Autocadd but this demonstrates the link:

Sub Export2Microstation()
   Dim channel As Long
   
   With Selection
      FRow = .Row
      RowCt = .Rows.Count
      LRow = FRow + RowCt - 1
      FCol = .Column
      ColCt = .Columns.Count
      LCol = FCol + ColCt - 1
   End With
   
   task = "PLACE LINE" 'command entry in Microstation
                       'replace as needed
 
       ' keyin is a command to Microstation to use the command entry box.

   channel = Application.DDEInitiate("ustn", "keyin")
   
   Application.DDEExecute channel, task
   For z = FRow To LRow
      Range(Cells(z, FCol), Cells(z, FCol + 1)).Select
      If Len(Cells(z, FCol)) = 0 Then
         Application.DDEExecute channel, tast
      Else
         Application.DDEExecute channel, "XY= " & Cells(z, FCol) _
             & "," & Cells(z, FCol + 1)
      End If
   Next
   
   Application.DDETerminate channel
   Range(Cells(FRow, FCol), Cells(LRow, FCol + 1)).Select
 

End Sub

can we code something like this up for autocad

http://myhome.hanafos.com/~xout/Excel/Excel_Funtion_list.htm

Visit above site then u can find out what u want.
That is what exactly u want !

It is written in Korean !So I just wish there is Korean friends near u ~

That public free software can only be operated in ACAD 2000
It is written in LISP !

lol how hard is it to read another language? other than english lol...

Do you think this is a shareware or freeware?

Has anyone had any luck with program?

does it link up dynamically?

If you have full commands in Excel cells you can just copy and paste into Autocad and they will run. You must click on the command line in Autocad or else you will paste the Excel cells into the drawing.
At least this works with Quattro Pro, but I assume its the same.
Oh and it goes row by row if you paste in a 2d range.

Please see thread 555-51546 in Tips for AUTOCAD