dynamic-controls - w3toppers.com

Angular 9 Formarray search operation executing for only first dynamic control

if you use @ViewChild, viewChild only get the first element. if you’re using @ViewChildren you need get create so many event for each Element of the QueryList @ViewChildren(‘input’) inputs:QueryList<ElementRef> this.inputs.forEach(input=>{ fromEvent(input.nativeElement,’keyup’) }) Anyway this NOT work -works if the array was fixed elements at first. Well, you can subscribe to inputs.changes and bla-bla-bla The way … Read more

Removing dynamic controls from panel

You are still not saying which control you want to remove, what type of controls you want to remove or how you want to identify them. You could just loop through the controls to remove specific Controls. If you have Linq, its easy: private void btn_Click(object sender, EventArgs e) { panel1.Controls.Clear(); //to remove all controls … Read more

Dynamically Change User Control in ASP.Net

What you need to do is keep the last known value of the DropDownList in the Session. Then: OnInit: Create whatever control is indicated by the saved value in the session SelectionChanged Event Remove whatever you created during OnInit Create and add new control based on new DropDownList selection Save new DropDownList selection in session … Read more