In this blog we will know how to save and retrieve any name
in web form using view state.
<%@ Page
Language="VB"
AutoEventWireup="false"
CodeFile="Default.aspx.vb"
Inherits="_Default"
%>
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled
Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TextBox runat="server" id="Name" />
<asp:Button runat="server" id="setname" onclick="setname_Click"
text="Set name" />
<asp:Button runat="server" id="Retrivename" text="Retrive Name"
onclick="Retrive_Click" />
<br /><br />
Name retrieved from ViewState: <asp:Label runat="server"
id="lblname"
/>
</div>
</form>
</body>
</html>
Partial Class _Default
Inherits
System.Web.UI.Page
Protected Sub setname_Click(ByVal
sender As Object,
ByVal e As
System.EventArgs) Handles setname.Click
ViewState("UserName")
= Name.Text
End Sub
Protected Sub Retrive_Click(ByVal
sender As Object,
ByVal e As
System.EventArgs) Handles Retrivename.Click
If
(ViewState("UserName") <> Nothing) Then
lblname.Text = ViewState("UserName").ToString()
Else
lblname.Text = "Notset"
End If
Name.Text = ""
End Sub
End Class