File: Control.ascx
<%@ Control Language="C#" ClassName="PropertyRandomImage" %>
<%@ Import Namespace="System.IO" %>
private string _imageFolderPath = "~/Images";
public string ImageFolderPath
{
get { return _imageFolderPath; }
set { _imageFolderPath = value; }
}
void Page_Load()
{
string imageToDisplay = GetRandomImage();
imgRandom.ImageUrl = Path.Combine(_imageFolderPath, imageToDisplay);
lblRandom.Text = imageToDisplay;
}
private string GetRandomImage()
{
Random rnd = new Random();
string[] images = Directory.GetFiles(MapPath("~/Images"), "*.jpg");
string imageToDisplay = images[rnd.Next(images.Length)];
return Path.GetFileName(imageToDisplay);
}
Width="300px"
Runat="server" />
Runat="server" />
File: Default.aspx
<%@ Page Language="C#" %>
<%@ Register TagPrefix="user" TagName="PropertyRandomImage" Src="~/Control.ascx" %>
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
protected void Page_Load(object sender, EventArgs e)
{
PropertyRandomImage1.ImageFolderPath = "~/Images2";
}
Show Programmatic
Runat="server" />