ASP Dot NET Online Training Services by Quontra Solutions: How to use DropDownList AutoPostBack in ASP.NET c#

Tuesday, 29 July 2014

How to use DropDownList AutoPostBack in ASP.NET c#

<%@ Page Language=“C#” %>
<!DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”>
<script runat=“server”>
protected void DropDownList1_SelectedIndexChanged(object sender, System.EventArgs e)
{
Label1.Text = “You Selected: “ + DropDownList1.SelectedItem.Text;
}
</script>
<html xmlns=“http://www.w3.org/1999/xhtml”>
<head id=“Head1″ runat=“server”>
<title>How to use DropDownList AutoPostBack feature</title>
</head>
<body>
<form id=“form1″ runat=“server”>
<div>
<h2 style=“color:Navy”>DropDownList: AutoPostBack</h2>
<asp:Label
ID=“Label1″
runat=“server”
Font-Bold=“true”
ForeColor=“Purple”
Font-Size=“Large”
>
</asp:Label>
<br /><br />
<asp:Label
ID=“Label2″
runat=“server”
Font-Bold=“true”
ForeColor=“OrangeRed”
Text=“asp.net controls”
>
</asp:Label>
<asp:DropDownList
ID=“DropDownList1″
runat=“server”
AutoPostBack=“true”
OnSelectedIndexChanged=“DropDownList1_SelectedIndexChanged”
>
<asp:ListItem>HyperLink</asp:ListItem>
<asp:ListItem>PasswordRecovery</asp:ListItem>
<asp:ListItem>PlaceHolder</asp:ListItem>
<asp:ListItem>LoginName</asp:ListItem>
<asp:ListItem>Label</asp:ListItem>
</asp:DropDownList>
</div>
</form>
</body>
</html>

ASP Dot NET Online Training Services by Quontra Solutions