ViewState in asp.net
ViewState.aspx
<%@ Page Language="C#" %>
<!DOCTYPE html>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e) {
int clickCounter = 1;
if (ViewState["ClickCounter"] == null)
{
clickCounter = 1;
}
else
{
clickCounter = (int)ViewState["ClickCounter"] + 1;
}
ViewState["ClickCounter"] = clickCounter;
Label1.Text = "Button clicked " + clickCounter + " times.";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>asp.net ViewState example: how to use ViewState in asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Navy">asp.net ViewState example</h2>
<asp:Label
ID="Label1"
runat="server"
ForeColor="DarkGreen"
Font-Size="Large"
>
</asp:Label>
<br /><br />
<asp:Button
ID="Button1"
runat="server"
OnClick="Button1_Click"
ForeColor="HotPink"
Font-Bold="true"
Text="Show Button Click Status"
/>
</div>
</form>
</body>
</html>
