ASP.NET(vb.net) & AutoPostBack=”true”

Author: admin | Posted: 30-05-2010 | Category: ASP.NET(vb.net) & Web Control and Event Handler

ASP.NET(vb.net) & AutoPostBack=”true” - AutoPostBack=”true” : This tag control for auto submit to postback where user click or change current control.

ShotDev Focus:
- ASP.NET(vb.net) & AutoPostBack=”true”

Example

AutoPostBack.aspx

<%@ Page Language="VB" %>
<script runat="server">

Sub ListBox1_SelectedIndexChanged(sender As Object, e As EventArgs)
Me.lblText1.Text = Me.ListBox1.SelectedItem.Text
End Sub

</script>
<html>
<head>
<title>ShotDev.Com Tutorial</title>
</head>
<body>
<form runat="server">
<asp:ListBox id="ListBox1" runat="server" AutoPostBack="true" OnSelectedIndexChanged="ListBox1_SelectedIndexChanged">
<asp:ListItem>Item 1</asp:ListItem>
<asp:ListItem>Item 2</asp:ListItem>
<asp:ListItem>Item 3</asp:ListItem>
<asp:ListItem>Item 4</asp:ListItem>
<asp:ListItem>Item 5</asp:ListItem>
</asp:ListBox>
<br />
<br />
<asp:Label id="lblText1"  runat="server"></asp:Label>
</form>
</body>
</html>

Screenshot

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Download this script.