Advanced query - select samples

<%= params %>
<%= selectedStudyIds.each{ println it } %>
Subgroups :
<%= subgroups%> <% showSubgroups = (subgroups.size()>0) %> <% def firstRow = true %>

Study	Subject	Sampling Events	Sample Name	Sample Material	Start Time	Subgroups	Selection
${studyIns.title}
	<% firstRow=false %> ${event.subject.name}	${event.eventDescription.name}	${sample.name}	${sample.material}	${event.getStartTimeString()}
Study does not cotain any samples.

<% def cb1 = '\'.checkbox1_' + studyIns.id + '\'' %> <% def cb2 = '\'.checkbox2_' + studyIns.id + '_' + event.subject.id + '\'' %> <% def cb3 = '\'.checkbox3_' + studyIns.id + '_' + event.subject.id + '_' + sample.id + '\'' %>
Infer subgroups:
<% if (selectedStudies.size()==0) { %>
Please select studies to query samples. <% } %>