User Controls on a PlaceHolder

[hhrafn]

Hi, I'm trying to make the following scenaryo work... any ideas? :confused: In my main page I put a PlaceHolder like so: <asp:PlaceHolder ID="plhMain" Runat="server"> The code on the main page is like this: test wee = new test(); plhMain.Controls.Add(wee); "test" is a UserControl with the following control: <asp:Label id="Label1" runat="server">Label</asp:Label> It's code is like so: this.Label1.Text="asdf"; When I run this I get the following error: Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.NullReferenceException: Object reference not set to an instance of an object. Source Error: Line 17: private void Page_Load(object sender, System.EventArgs e) Line 18: { Line 19: this.Label1.Text="asdf"; Line 20: // Put user code to initialize the page here Line 21: } Any help on this would be greatly appreciated :-D

[minhpc_bk]

Hi there, To load a web user control, you'd better use the LoadControl method instead of creating a new object with the new keyword, the sample code is something like this:

test wee = (test) this.LoadControl("test.ascx");
plhMain.Controls.Add(wee);

For more information, see Creating Instances of User Controls Programmatically[^]

[hhrafn]

hanks alot, worked like a charm! :-D:-D:-D