Using the Find Function in VBA - excel

Question

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So I have a sequence of numbers running from 1-20. I have the number "1" on top selected and I would like to search the entire column and find the number "9". The code works when I don't name the range "rng"; it finds the number and selects. But the code stops working when I name the range of number. What's wrong with the range function? could it be that if I define Dim rng as Range that when I later define the "Set rng=" I cannot have the ".Select" or ".Copy" extension on the end?
Sub macro2()
Dim rng As Range
Set rng = Range(ActiveCell, ActiveCell.End(xlDown)).Select
rng.Find(10).Select
End Sub
Also, If I want to sum the entire column from 1-20, on the last cell below the number "20" should I use the following code? because the application object doesn't seem to do it. Thank you!
rng.End(xlDown).Offset(1, 0).Select
Application.WorksheetFunction.Sum (rng.Value)

Answer 1

To look for 10 in the active column you could try this (which ends up selecting the first 10 - although Select in vba isn't normally needed other than taken the user to location at code end)
test that the found range exists (ie you can find 10 before proceeding)
you should also use xlWhole to avoid matching 100 if the current default for [lookAt] is xlPart
using search [After] as Cells(1, ActiveCell.Column , and [Search Direction] as xlNext finds the first value looking down.
code
Sub QuickFind()
Dim rng1 As Range
Set rng1 = ActiveCell.EntireColumn.Find(10, Cells(1, ActiveCell.Column), xlFormulas, xlWhole, , xlNext)
If Not rng1 Is Nothing Then
Application.Goto rng1
Else
MsgBox "10 not found"
End If
End Sub
Part 2
Sub Other()
Dim rng1 As Range
Set rng1 = Range(Cells(1, ActiveCell.Column), Cells(Rows.Count, ActiveCell.Column).End(xlUp))
rng1.Cells(rng1.Cells.Count).Offset(1, 0) = Application.WorksheetFunction.Sum(rng1.Value)
End Sub

Answer 2

Try this, I hope this will help u to find the specific row no as well as column name too. In code you can use
strRw = FindColumn(Sheet name, "Value which need to be found", True, "Cell Name",Row number)
sourceCOL = colname(FindColumn(Shee Name, "Value which need to be found", False, , 4))
Below is main function of find
Public Function FindColumn(colnocountWS As Worksheet, srcstr As String, Optional rowflag As Boolean, Optional bycol As String, Optional strw As Integer, Optional stcol As Integer) As Integer
Dim srcrng As Range 'range of search text
Dim srcAddr As String 'address of search text
Dim stcolnm As String
colnocountWS.Activate
If stcol <> 0 Then stcolnm = colname(stcol)
If stcol = 0 Then stcolnm = "A"
If strw = 0 Then strw = 1
colnocountWS.Range(stcolnm & strw).Select
If ActiveSheet.Range(stcolnm & strw) = srcstr Then
ActiveSheet.Range(stcolnm & strw).Select
FindColumn = 1
Else
If bycol = "" Then
Set srcrng = colnocountWS.Cells.Find(Trim(srcstr), after:=ActiveCell, LookIn:=xlValues _
, LookAt:=xlWhole, SearchOrder:=xlByRows, SearchDirection:=xlNext, _
MatchCase:=False, SearchFormat:=False)
Else
Set srcrng = colnocountWS.Cells.Find(Trim(srcstr), after:=ActiveCell, LookIn:=xlValues _
, LookAt:=xlWhole, SearchOrder:=xlByColumns, SearchDirection:=xlNext, _
MatchCase:=False, SearchFormat:=False)
End If
'ByPart
If srcrng Is Nothing Then
If bycol = "" Then
Set srcrng = colnocountWS.Cells.Find(Trim(srcstr), after:=ActiveCell, LookIn:=xlValues _
, LookAt:=xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, _
MatchCase:=False, SearchFormat:=False)
Else
Set srcrng = colnocountWS.Cells.Find(Trim(srcstr), after:=ActiveCell, LookIn:=xlValues _
, LookAt:=xlPart, SearchOrder:=xlByColumns, SearchDirection:=xlNext, _
MatchCase:=False, SearchFormat:=False)
End If
End If
If srcrng Is Nothing Then
FindColumn = 0
Exit Function
Else
srcAddr = srcrng.Address
colnocountWS.Range(srcAddr).Select
FindColumn = ActiveCell.Column
If rowflag = True Then FindColumn = ActiveCell.Row
End If
End If
End Function
'this function find column name
Public Function colname(iFinalCol1 As Integer) As String
Dim colnm As String
On Error GoTo gg
If Mid(Cells(1, iFinalCol1).Address, 3, 1) = "$" Then
colnm = Mid(Cells(1, iFinalCol1).Address, 2, 1)
Else
colnm = Mid(Cells(1, iFinalCol1).Address, 2, 2)
End If
gg: colname = colnm
End Function