crystal report is not showing large image in (mb)

I have a problem with my crystal report that , when i have a record with small image in (KB) it works fine and shows the record quickly.but when i save a record with larger image in (MB) , crystal report stuck in loading for a long time and then shows a message "Memory full. Not enough memory for operation.". Please can anyone help me. i am using vs2010 and have a web application using c#, crystal report version is sp13