<%@ Page Language="C#" %>
<script runat="server">
protected void Button1_Click(object sender, System.EventArgs e)
{
ViewState["Name"] = TextBox1.Text.ToString();
Label1.Text = "Your name saved in ViewState.";
}
protected void Button2_Click(object sender, System.EventArgs e)
{
string name = (string)ViewState["Name"];
Label1.Text = "Hi " + name + "! we found your name in ViewState.";
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>asp.net ViewState example: how to store (save) data in ViewState</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2 style="color:Red">asp.net ViewState example: data store</h2>
<asp:Label
ID="Label1"
runat="server"
Font-Size="Large"
ForeColor="Teal"
>
</asp:Label>
<br /><br />
<asp:Label ID="Label2" runat="server" Text="Your Name" ForeColor="Green">
</asp:Label>
<asp:TextBox ID="TextBox1" runat="server" BackColor="Green" ForeColor="AliceBlue">
</asp:TextBox>
<br />
<asp:Button
ID="Button1"
runat="server"
Text="Save data in ViewState"
OnClick="Button1_Click"
Font-Bold="true"
ForeColor="DarkGreen"
/>
<asp:Button
ID="Button2"
runat="server"
Text="Read data from ViewState"
OnClick="Button2_Click"
Font-Bold="true"
ForeColor="DarkGreen"
/>
</div>
</form>
</body>
</html>
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