To implement this concept you need to follow the below steps :
Step1:
Create a new Asp.net website in Visual Studio and write the following html code in the design part of the Default.aspx page.
Default.aspx Page :
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
<table class="style1">
<tr>
<td class="style3">
<asp:Label ID="lblName"
runat="server"
Text="Name"></asp:Label>
</td><td>
<asp:TextBox ID="txtName"
runat="server"></asp:TextBox>
</td>
</tr><tr>
<td class="style4">
<asp:Label ID="lblPassword"
runat="server"
Text="Password"></asp:Label>
</td>
<td class="style2">
<asp:TextBox ID="txtPassword"
runat="server"
TextMode="Password"></asp:TextBox>
</td>
</tr><tr>
<td class="style3">
<asp:Label ID="lblCountry"
runat="server"
Text="Country"></asp:Label>
</td>
<td>
<asp:DropDownList ID="ddlCountry"
runat="server">
<asp:ListItem>India</asp:ListItem>
<asp:ListItem>Africa</asp:ListItem>
<asp:ListItem>Andaman</asp:ListItem>
<asp:ListItem>Lanka</asp:ListItem>
</asp:DropDownList>
</td>
</tr><tr>
<td class="style3">
</td>
<td>
<asp:Button ID="btnSubmit"
runat="server"
onclick="btnSubmit_Click"
Text="Submit"
/>
</td></tr>
</table>
<asp:Label ID="lblMsg" runat="server"
Text="Label"></asp:Label>
</form>
</body>
</html>
Step2:
Now open the Default.aspx.cs page and write the following source code.
Default.aspx.cs Page :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class ViewState :
System.Web.UI.Page
{
protected void
Page_Load(object sender, EventArgs e)
{
ViewState["Password"]
= txtPassword.Text;
if (ViewState["Password"]
!= null)
{
txtPassword.Attributes.Add("value",
ViewState["Password"].ToString());
}
}
protected void
btnSubmit_Click(object sender, EventArgs e)
{
string Name, Password, Country;
Name
= txtName.Text;
Password = txtPassword.Text;
Country = ddlCountry.SelectedItem.Text;
lblMsg.Text = string.Format("Name={0}<br>Password={1}<br>Country={2}",
Name, Password, Country);
}
}
Step3:
Now build the Solution and Debug it for the output.
Output Page :
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