String starts with vowel
string-starts-with-vowel.aspx
<%@ Page Language="C#" AutoEventWireup="true"%>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
//this section create string variables.
string stringPlants = "Thimbleweed. Tassel Weed. Sweet Potato.";
string stringPlants2 = "Orange Coneflower. Yellow Corydalis. White Tansy.";
Label1.Text = "string of plants..................<br />";
Label1.Text += stringPlants;
Label1.Text += "<br />"+stringPlants2;
//this line create a char array.
char[] vowels = { 'a', 'e', 'i', 'o', 'u' };
//this line get string first/begin character (lower case)
char firstCharacter = stringPlants.ToLower().ToCharArray().ElementAt(0);
//this line get string first/begin character (lower case)
char firstCharacter2 = stringPlants2.ToLower().ToCharArray().ElementAt(0);
//test string starts with vowel or not
Boolean result = vowels.Contains(firstCharacter);
Boolean result2 = vowels.Contains(firstCharacter2);
Label1.Text += "<br /><br />stringPlants first character: " + firstCharacter;
Label1.Text += "<br />stringPlants2 first character: " + firstCharacter2;
Label1.Text += "<br /><br />stringPlants starts with vowel? " + result.ToString();
Label1.Text += "<br />stringPlants2 starts with vowel? " + result2.ToString();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>c# example - string starts with vowel</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:MidnightBlue; font-style:italic;">
c# example - string starts with vowel
</h2>
<hr width="550" align="left" color="Gainsboro" />
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
Text="string starts with vowel"
OnClick="Button1_Click"
Height="40"
Font-Bold="true"
/>
</div>
</form>
</body>
</html>
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