Private Sub Command2_Click()
  Dim rst As ADODB.Recordset
  Set rst = New ADODB.Recordset
    rst.Open "Table1", CurrentProject.Connection, adOpenStatic, adLockOptimistic
         rst.Supports (adUpdate)
         rst.field(0) = txt1.value
         rst.field(1) = txt2.value
         rst.Update     
         rst.close
         rst = nothing
End Sub
ลองดูครับ ว่าได้ไหม