Question

I have a text box and a calendar in my ASP.NET web application.

When I select any date in calendar, I would like the date/month/year of that date to be displayed in the text box.

Answer 1

in .aspx file

<form id="form1" runat="server">
<div>
    <asp:Calendar ID="Calendar1" runat="server" OnSelectionChanged="Calendar1_SelectionChanged">
    </asp:Calendar>
    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></div>
</form>

in .aspx.cs file

protected void Calendar1_SelectionChanged(object sender, EventArgs e)
{
    TextBox1.Text = Calendar1.SelectedDate.ToString();
}