c# - Generic Drop Down list -

static  list<dropdownlist> dropdowngenericlist = new list<dropdownlist>();    protected void page_load(object sender, eventargs e) {     if (!page.ispostback) {       dropdowngenericlist.add(dropdowninhtml);     }  } 

now in method assigning static drop down list selected value from

dropdowngenericlist[7].selectedvalue = dropdowninhtml.selectedvalue; 

but drop down list in asp.net page not assigning selected value in generic list.