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Editorial Team
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Asked: 2026-05-27T19:56:24+00:00

I have one <asp:Image ID=imgBanner1 runat=server/> control in my aspx page, then in code

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I have one <asp:Image ID="imgBanner1" runat="server"/> control in my aspx page, then in code behind I have this test code:

Image img = new Image();
img.ImageUrl = "~/img/home/home1.jpg";
//...

imgBanner1 = img;  //<--

then when I refresh the page, the src value of the <img> is blank and the picture doesn’t appear. I tried to put the snippet in Page_Load, Page_Init, Page_PreInit events but still doesn’t work. How can I solve this? I need to asign some custom controls of other clases in my pages… thanks for your answers!.

Edit: It works if I do this:

imgBanner1.ImageUrl = img.ImageUrl;
//...
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1 Answer

  1. Editorial Team

    If you want to add a control dynamically into a page then add placeholder (or container – Panel etc) control on it and write following code in page_init/page_load. For more info read MSDN article – How to: Add Controls to an ASP.NET Web Page Programmatically?

    Image img = new Image();
img.ImageUrl = "~/img/home/home1.jpg";
PlaceHolder1.Controls.Add(img);

    ImageUrl is a string property and you have to set string image url.

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