UserControl을은

Question

나는 일을 해봤 다음

 var userControl = UserControls.ProductDetailUserControl(); 
     userControl.ID = "id_SubProduct_"+productId; 
     userControl.Visible = true; 
     userControl.ValidationDependentOnControl = productOption.ClientID; 
     userControl.ConditionallyVisible = productOption; 
     plhDetails.Controls.Add(userControl); 

는 널 (null) 예외

Answer 1

를 throw이

var uProductDetails = (UserControls.ProductDetailUserControl)Page.LoadControl("UserControls/ProductDetailUserControl.ascx"); 

    //set properties  
    plhDetails.Controls.Add(userControl);