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QUESTION: Hey Tom,

I can see you have replied to 18350 questions. Thanks for contributing to this community.This is my first question and first vb code that i m trying to write.

Logic is :

if column c contains "yes" , column D and E cant be blank
Code should be like:

if ( C1= yes and D1 or E1 or both are blank , it should highlight the blank cell with color say light blue and with message box , these cells cant be blank)

else
do nothing

Till , last row , ie.e the column A contains values.

See if you can help me in this.

Dhwani

this code was tested and worked for me according to my understanding of what you describe.
Test it on a copy of your workbook until you are satisfied it works as you desire.

Sub abcd()
Dim i As Long
Dim r As Range
Dim cell As Range
' starting with C1, find the last used cell in column C
Set r = Range("C1", Cells(Rows.Count, "C").End(xlUp))
' loop through those cells in column C
For Each cell In r
' check if the cell contains yes
If LCase(cell.Value) = "yes" Then
' check the cell to the right and the second cell
' to the right

For i = 1 To 2
' see if the cell is empty/blank
If Len(Trim(cell.Offset(0, i))) = 0 Then
' it is so color the interior light blue and put in
' a message that it can't be blank
With cell.Offset(0, i)
.Value = "Can't be blank"
.Interior.ColorIndex = 8
End With
End If
Next
End If
Next
End Sub

--
Regards,
Tom Ogilvy

---------- FOLLOW-UP ----------

QUESTION: Hey Tom,

Based on my explanation you have done it perfectly.

But I think I explained it wrongly. Just one small modification , if there is any blank cell , it should change the color(already done by you)

now there can be 2 possibilities:

1. Any blank cell exists

Msgbox : Highlighted cell must contain a value , please correct

2. If no blank cell exists

Msgbox : good to go

Thanks for helping. Good day to You!!

Dhwani,

It is unclear where the message "good to go" should be placed.  I will put it in column F

Sub abcd()
Dim i As Long
Dim r As Range
Dim cell As Range
Dim bBlank As Boolean
' starting with C1, find the last used cell in column C
Set r = Range("C1", Cells(Rows.Count, "C").End(xlUp))
' loop through those cells in column C
For Each cell In r
' check if the cell contains yes
If LCase(cell.Value) = "yes" Then
' check the cell to the right and the second cell
' to the right
' use a Boolean variable to track whether
' a blank cell is found
bBlank = False
For i = 1 To 2
' see if the cell is empty/blank
If Len(Trim(cell.Offset(0, i))) = 0 Then
' it is so color the interior light blue and put in
' a message that it can't be blank

With cell.Offset(0, i)
.Interior.ColorIndex = 8
bBlank = True
End With
End If
Next
If bBlank Then
cell.Offset(0, 3) = "Highlighted cell must contain a value, please correct"
Else
cell.Offset(0, 3) = "good to go"
End If
End If
Next
End Sub

--
Regards,
Tom Ogilvy
Questioner's Rating
 Rating(1-10) Knowledgeability = 10 Clarity of Response = 10 Politeness = 10 Comment Best thing about you is that apart from providing solution you have added comments with every line. This has helped me a lot in understanding the code and I feel confident that I am learning it. Thanks allexperts.com and Thanks Tom.

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#### Tom Ogilvy

##### Expertise

Selected as an Excel MVP by Microsoft since 1999. Answering Excel questions in Allexperts since its inception in 2001. Able to answer questions on almost all aspects of Excel's internal capabilities. If seeking a VBA solution, please specify that in your question itself so I give you the answer you want. [Excel has weak protection - if you are distributing an application, I don't answer questions on how to protect your project from your users.]

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Extensive experience.

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Master of Science (MS) degree Operations Research (ORSA)

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Microsoft MVP in Excel.