Hi indradeo,
Refer below sample.
HTML
CS.aspx
<head runat="server">
<title>Calendar</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Calendar ID="Calendar1" runat="server" ></asp:Calendar>
<br />
<asp:Button ID="btnCalendar" runat="server" OnClick="OnDateSelected" Text="Submit" />
</form>
</body>
Home.aspx
<head runat="server">
<title>Home</title>
</head>
<body>
<form id="form1" runat="server">
<h1>Selected Date:</h1>
<asp:Label ID="lblSelectedDate" runat="server"></asp:Label>
</form>
</body>
Code
CS
protected void OnDateSelected(object sender, EventArgs e)
{
DateTime selectedDate = Calendar1.SelectedDate;
string date = HttpUtility.UrlEncode(selectedDate.ToString("yyyy-MM-dd"));
Response.Redirect("Home.aspx?date=" + date);
}
Home
protected void Page_Load(object sender, EventArgs e)
{
string encodedDate = Request.QueryString["date"];
string selectedDate = HttpUtility.UrlDecode(encodedDate);
lblSelectedDate.Text = selectedDate;
}
Screenshot