Changing the ImageUrl property dynamicaly in ASP.NET

The Image server control enables you to work with the images that appears on your Web Page
from the server side code .It's a simple server control,but it can giv you the power to determine
how your images are displayed on the browser screen.A typical image control is constructed in the following manner.
<asp:Image ID="Image1" Runat="server" ImageUrl="~/MyImage1.gif" />
The following example shows how to change the ImageUrl property of the image control dynamicaly.
VB
<script runat="server">
   Protected Sub Button1_Click(ByVal sender As Object ,ByVal e As System.EventArgs)
                Image1.ImageUrl="~/MyImage2.gif"
   End Sub
</script>
C#
protected void Button1_Click(object sender , EventArgs e)
{
        Image1.ImageUrl = "~/MyImage2.gif ";
}
            

Adding Items to ListBox Control in ASP.NET

To add items to the collection,the following synatax can be usefull
        ListBox1.Items.Add(TextBox1.Text);
You can also add instances of the ListItem object to get different values for the item name and value
VB
    ListBox1.Items.Add(New ListItem("Olivine","MG2SI04"));
C#
    ListBox1.Items.Add(New ListItem("Olivine","MG2SI04"));
The example adds a new instance of the ListItem object,adding not only the textual name of the item,but the
value of the item.It produces the following results in the browser:
          <option value="MG2SI04">Olivine</option>

ASP.NET(C#) code to change the unique identifier of the anonymous User

//Code that change the Unique identification of the anonymous user is like the code below..try this..

public void AnonymousIdentification_OnCreate(object sender, AnonymousIdentificationEventArgs e)
    {
        e.AnonymousID = "Bubbles" + DateTime.Now();
    }

Asp.NET(C#) Code to Set the Button click property dynamicaly...

IMGbut.Click += new ImageClickEventHandler(IMGbut_Click);