How to create a multi-item selection combobox in csharp

Question

I am creating a students report card in windows forms,crystal reports and access database,

i have a form where someone can choose which exam to generate a report card for i.e Exam1,exam2,exam e.t.c using a drop down list and that works perfectly.Now i am trying to create a way of generating a report for all the exams where by the average marks obtained from each subject is calculated to get a final figure.My question is how do i come up with a multi-selection combobox so that all the selected exams` marks get printed on the report card.

Here is the report card template i have designed using crystal reports#

 

Answer 1

Nothing was wrong with the Cyrstal Report i solved the issue by commenting the custom css file.

Answer 2

Dear 

Ramesh Palanivel Thanks for support and assistance , the data is just made the blurred the design you can see it is disturbed showing lines and lines 

I found the issue it was basically from my custom css when i remove the custom css file from the page the design gets ok .

 

Thanks

becasue the crystal reports render in tabular format and i have my own classes for table row,td,tr like that .

 

Thanks  

Answer 3

Hi Mark,

 

Can you send me the clear image with your issue!.