Array binary search
array-binary-search.aspx
<%@ Page Language="C#" AutoEventWireup="true"%>
<%@ Import Namespace="System.IO" %>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
string[] colors = new string[]
{
"white",
"green",
"yellow",
"blue",
"pink",
};
Label1.Text = "colors array.........<br />";
foreach (string s in colors)
{
Label1.Text += s + "<br />";
}
//binary search work correctly only on a pre sorted array.
Array.Sort(colors);
Label1.Text += "<br />sorted colors array.........<br />";
foreach (string s in colors)
{
Label1.Text += s + "<br />";
}
int index = Array.BinarySearch(colors, "pink");
Label1.Text += "<br />index of color [pink] by binary search = " + index.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>c# example - array binary search</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:DarkBlue; font-style:italic;">
c# example - array binary search
</h2>
<hr width="550" align="left" color="LightBlue" />
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="test array binary search"
OnClick="Button1_Click"
Height="40"
Font-Bold="true"
/>
</div>
</form>
</body>
</html>
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