Hi is there any possible to give value to multicolumn listbox in run time.I have attached an vi in that multicolumn list box contain three test i need to get input from user how many times induvidually each test should occur for example test1 3 times ,test 2 1time,test3 4 times.i need this details to be updated by the user in the multi column list box in the run time .but i cant do that in run time help me out