Error while turning on/off the layers in datagrid

Question

hi

I am using flex 3 with arcgis server 10 with the help of flex api.

i am getting Error 1009 : cannot access a property or method of a null object reference at mx.controls::Datagrid/mouseDownHandler()

while using datagrid with checkboxes to turn on/off layers in the map.

i m new to these softwares.

Reply soon

Thanks in advance

ShaliniArora1 · Answer

It is coming now.
I just make a new application n copy all the code and it started.
Dont know how 🙂

Thanks