i put a list box and an image box.
now i want the image to swap every time the user clicks on a different element in the list. it doesnt seem to work :(
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
string[] pictures = { "~/createWii.jpg",
"~/DKC4_wii.png",
"~/Donkey-Kong-Country-1.jpg",
"~/DSCallOfDutyBlackOps.jpg",
"~/DSPreviewsCodmw2.jpg",
"~/DSPreviewsAliceInWonderLAnds.jpg",
"~/DSPreviewPicross3d.jpg",
"~/createii.jpg",
};
string[] picturesNames = { "picture1", "picture2", "picture3", "picture4", "picture5", "picture6", "picture7", "picture8" };
protected void Page_Load(object sender, EventArgs e)
{
for (int i = 0; i < pictures.Length; i++)
{
ListBox1.Items.Add(new ListItem(picturesNames[i],pictures[i]));
}
Image1.ImageUrl = "~/Donkey-Kong-Country-1.jpg";
ListBox1.DataSource = picturesNames;
ListBox1.DataBind();
}
protected void ListBox1_SelectedIndexChanged(object sender, EventArgs e)
{
Image1.ImageUrl = pictures[ListBox1.SelectedIndex];// it tells me that there is index out of range each time. why ?
}
}Server Error in '/WebSite1' Application.
Index was outside the bounds of the array.
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.IndexOutOfRangeException: Index was outside the bounds of the array.
Source Error:
Line 41:
Line 42:
Line 43: Image1.ImageUrl = pictures[ListBox1.SelectedIndex];
Line 44:
Line 45: