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CALOM1
Copper Contributor
Jan 01, 2021
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How to alternate table row colour based on the contents of a cell within the row

Hi, 

 

I am wanting to add in conditional formatting to my table so that the row colour alternates when the contents of one of the row's cells changes...

 

E.g. How do I get the row colour to alternate when it changes from Oct-20 to Nov-20 and from Nov-20 to Dec-20 and so on? 

 

The aim of this is so it is easier to see what falls into each month. Data gets added to this table all the time and I don't want to create conditional formatting rules each time a new month gets added. I also wanted to use this on another table which does not use months and instead I wanted the rows to be grouped by rows with the same random text in a cell, and this comes up a lot more regularly than monthly so even more tedious!

 

I would prefer not to have to switch to a macro-enabled spreadsheet because I use Microsoft flow to input the data into the spreadsheet remotely so this would not work. 

 

Can this be done? Thanks!

  • CALOM1 

    Use the following formula in the conditional formatting rule:

     

    =MOD(ROUND(SUM(1/COUNTIF($A$2:$A2,$A$2:$A2)),0),2)

4 Replies

  • CALOM1 

    Let's say the Months are in A2 and down.

    Select the entire data body of the table (i.e. the table without the header row.

    I will assume that the active cell is in row 2.

    On the Home tab of the ribbon, select Conditional Formatting > New Rule...

    Select 'Use a formula to determine which cell to format'.

    Enter the formula

     

    =MOD(SUM(IF(FREQUENCY($A$2:$A2,$A$2:$A2),1)),2)

     

    Click Format...

    Activate the Fill tab.

    Select a highlight color.

    Click OK, then click OK again.

    As you add rows to the table, Excel will automatically apply the rule to the new rows too.

    • CALOM1's avatar
      CALOM1
      Copper Contributor

      HansVogelaar 

       

      Thanks for your reply! This works great for dates but if I wanted the active bit to be data other than a date, such as text that changes...

       

       

      So how would I get the row colour to change when the first cell of the row changes from London to Paris etc.?

       

      Thanks!

      • CALOM1 

        Use the following formula in the conditional formatting rule:

         

        =MOD(ROUND(SUM(1/COUNTIF($A$2:$A2,$A$2:$A2)),0),2)

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