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 access label content in Report

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Posts: 1
Posted: 07/12/2014, 1:03 PM

Hi all,
i have created a report form with the "Report Builder".
Now i need to insert an image instead of a label on the report.
Let's say a red or green image according to the content of the label, retrieved from a db,
red image if label content is 0 and green if 1.

I tried to add some custom code in the "Before Show" event of the "Detail" Section of the report:

if($Component->main_group->GetValue() >0)
$Component->lnk_main_group_true->Visible = true;
$Component->lnk_main_group_false->Visible = false;

$Component->lnk_main_group_true->Visible = false;
$Component->lnk_main_group_false->Visible = true;

but i have an error:

Fatal error: Call to a member function GetValue() on a non-object in C:\xampp\xampplite\htdocs\sasc2\admin\groups_users_report_events.php on line 24

How can i access the label content to have the displayed the correct image according to label content?
thanks in advance.
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