.net 占位符中的usercontrol
我试着做了以下几点:.net 占位符中的usercontrol,.net,asp.net,.net,Asp.net,我试着做了以下几点: var userControl = UserControls.ProductDetailUserControl(); userControl.ID = "id_SubProduct_"+productId; userControl.Visible = true; userControl.ValidationDependentOnControl = productOption.ClientID;
var userControl = UserControls.ProductDetailUserControl();
userControl.ID = "id_SubProduct_"+productId;
userControl.Visible = true;
userControl.ValidationDependentOnControl = productOption.ClientID;
userControl.ConditionallyVisible = productOption;
plhDetails.Controls.Add(userControl);
引发空异常请尝试此操作
var uProductDetails = (UserControls.ProductDetailUserControl)Page.LoadControl("UserControls/ProductDetailUserControl.ascx");
//set properties
plhDetails.Controls.Add(userControl);
哪一行抛出异常?