Set DateTime format as dd/MM/YYYY in ASP.Net using C# and VB.Net

Hi indradeo,

Please refer below sample code.

HTML

<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
    <ContentTemplate>
        <asp:Label ID="lblTime" runat="server"></asp:Label>
        <asp:Timer ID="Timer1" runat="server" OnTick="OnTime" Interval="1000">
        </asp:Timer>
    </ContentTemplate>
</asp:UpdatePanel>

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if(!this.IsPostBack)
    {
        lblTime.Text = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt");
    }
}

protected void OnTime(object sender, EventArgs e)
{
    lblTime.Text = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt");
}

VB.Net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        lblTime.Text = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt")
    End If
End Sub

Protected Sub OnTime(ByVal sender As Object, ByVal e As EventArgs)
    lblTime.Text = DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt")
End Sub

Screenshot