i'm creating application in vb.net , in there 7 combo boxes, want create query or fill datagridview according selected combo boxes
for example if select 1 combo box, datagridview should reflect data according 1 combo box, or if select 2,4 or of them datagridview should reflect selection. order of combo box random.
can me logic? here's ui looks 
any combo box these 7 combo boxes can selected in random manner or of them can selected. want build query consider random nature of combo boxes.
suppose select first combo box , press filter button(first left), dgv should filtered according that, if select next combobox 3rd dgv should filtered considering both combo boxes, , on. second button resets selection.
