Play Video Files from Server Folder (Directory) at regular interval in ASP.Net using C# and VB.Net

Hi smile,

Refer below example.

HTML

C#

<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <asp:ScriptManager runat="server" />
    <asp:UpdatePanel runat="server">
        <ContentTemplate>
            <%if (!string.IsNullOrEmpty(this.FileName)) {%>
                <span><%= this.FileName %></span>
                <hr />
                <video controls src='<%= ResolveUrl("~/Files/" + this.FileName) %>' width="200" height="250" />
            <%} %>
            <asp:Timer runat="server" OnTick="OnTick" Interval="2000"></asp:Timer>
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>

VB.Net

<%@ Page Title="" Language="VB" MasterPageFile="~/MasterPage.master" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="Default" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
    <asp:ScriptManager runat="server" />
    <asp:UpdatePanel runat="server">
        <ContentTemplate>
            <%If Not String.IsNullOrEmpty(Me.FileName) Then %>
                <span><%= Me.FileName %></span>
                <hr />
                <video controls src='<%= ResolveUrl("~/Files/" + Me.FileName) %>' width="200" height="250" />
            <%End If %>
            <asp:Timer runat="server" OnTick="OnTick" Interval="2000"></asp:Timer>
        </ContentTemplate>
    </asp:UpdatePanel>
</asp:Content>

Namespaces

C#

using System.IO;

VB.Net

Imports System.IO

Code

C#

protected void Page_Load(object sender, EventArgs e)
{
    if (!this.IsPostBack)
    {
        this.FileName = Path.GetFileName(Directory.GetFiles(Server.MapPath("~/Files/"))[0]);
    }
}

protected string FileName { get; set; }
protected void OnTick(object sender, EventArgs e)
{
    this.SetIndex();
    string[] fileNames = Directory.GetFiles(Server.MapPath("~/Files/"));
    int index = Convert.ToInt32(ViewState["Count"]);
    if (fileNames.Length > index)
    {
        this.FileName = Path.GetFileName(fileNames[index]);
    }
}

protected void SetIndex()
{
    int counter;
    if (ViewState["Count"] != null)
    {
        counter = Convert.ToInt32(ViewState["Count"]);
    }
    else
    {
        counter = 0;
    }
    counter = counter + 1;

    ViewState["Count"] = counter;
}

VB.Net

Protected Property FileName As String

Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
    If Not Me.IsPostBack Then
        Me.FileName = Path.GetFileName(Directory.GetFiles(Server.MapPath("~/Files/"))(0))
    End If
End Sub

Protected Sub OnTick(ByVal sender As Object, ByVal e As EventArgs)
    Me.SetIndex()
    Dim fileNames As String() = Directory.GetFiles(Server.MapPath("~/Files/"))
    Dim index As Integer = Convert.ToInt32(ViewState("Count"))
    If fileNames.Length > index Then
        Me.FileName = Path.GetFileName(fileNames(index))
    End If
End Sub

Protected Sub SetIndex()
    Dim counter As Integer
    If ViewState("Count") IsNot Nothing Then
        counter = Convert.ToInt32(ViewState("Count"))
    Else
        counter = 0
    End If
    counter = counter + 1
    ViewState("Count") = counter
End Sub

Screenshot