Report Design
 Crystal Reports Forum : Crystal Reports 9, X, XI, 2008, 2011 : Report Design
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mcmaxx2
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Quote mcmaxx2 Replybullet Topic: Conditional background color
    Posted: 10 Jan 2011 at 10:32pm
Hello,

I would like to give a certain field a red background color when it's empty in CR-XI. But I can't get it right. I tried the following:

In the format editor on the Border tab I click on the formula icon of the background-part. And I use the formula:

if isnull then CRRED else CRNOCOLOR 

but I got a message about not enough arguments being given to the function. So I tried:

if isnull({vw_Asset.T0_Field1}) then CRRED else CRNOCOLOR
Where {vw_Asset.T0_Field1} is the field I'm trying to fill.

The function is accepted but nothing happens to the empty fields. I am beginning to wonder if the fields are really empty, but I don't know how to check this. Also It could be I am using the wrong part to fill the background, and I should be using the highlighting expert. Can anyone help me with this issue?
Thanks a lot in advance.
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Emir_W
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Quote Emir_W Replybullet Posted: 11 Jan 2011 at 1:25am
try to use 'Highlighting Expert'.
by:
- right click the field
- choose 'Highlighting Expert'
- click 'New'
- select the field you want to check in 'Value of'
  (in this case 'vw_Asset.T0_Field1').

and you can continue as you want for the rest information by changing the font / background / border.

you can also use a variable to check.


hope it help.

Emir W
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DBlank
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Quote DBlank Replybullet Posted: 11 Jan 2011 at 4:25am
If Emir's suggestion does not work for you ... likely the value is NULL and that is why your formula is not working. There is technically nothing there to change the background color of .
Likely you are trying to highlight missing data int he report. If you do not want tio change the way your report handles NULLS
You can do this via a formula field and formatting
Create a formula field to convert your NULLS to one space or any text you want (like 'Missing'). You will also have to convert the T0_Field1 to text if is not.
 
if isnull({vw_Asset.T0_Field1}) then " " else {vw_Asset.T0_Field1}
 
then apply your red condtion to this formula field
if isnull({vw_Asset.T0_Field1}) then CRRED else CRNOCOLOR



Edited by DBlank - 11 Jan 2011 at 4:26am
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Emir_W
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Quote Emir_W Replybullet Posted: 11 Jan 2011 at 6:24pm
agree with DBlank suggestion.

by converting the Null value to one space (" ") or other value, it will be more easy to identify and check.


hope it help.

Emir W
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mcmaxx2
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Quote mcmaxx2 Replybullet Posted: 16 Jan 2011 at 11:50pm
Hello Emir_W and DBlank,

I really think DBlank was right. Because that was the only way I got it to work. I will ask our supplier what kind field this is. Because I was trying to avoid creating so many formula fields. (I had to create 21 now)
But thanks a lot for the help, I am a happy user. Smile

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Deverdits
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Quote Deverdits Replybullet Posted: 28 Feb 2011 at 6:10am
Thank you all, this was driving me absolutely nuts.  Some of the things in Crystal make absolutely no sense, like this.  If there is no value, there still should be a background color possible.
 
Thanks again.
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