hi... im doing an example based on window application..in that i need to manupulate the item values of a listbox. in that i have written as total = total + Convert.ToInt32(listBox1.SelectedItem); where i have declared the items of list box as int withsome value initialised and total is also an int variable.. but iam getting some exception like "input string is not in correct format". so can anyone plz rectify this statement... thank u in advance..
