ASP.NET

protected void ListBox1_SelectedIndexChanged(object sender, EventArgs e)
       {
           DirectoryInfo dinfo = new DirectoryInfo(@"C:\Users\Probing\Desktop");
           FileInfo[] Files = dinfo.GetFiles("*.txt");
           foreach (FileInfo file in Files)
           {
               ListBox1.Items.Add(file.Name);
           }

Could not find any resources appropriate for the specified culture or the neutral culture.  Make sure "login.master.en-us.resources" was correctly embedded or linked into assembly "App_Web_dubrzsw3" at compile time, or that all the satellite assemblies required are loadable and fully signed.

Imports System.Resources
Imports System.Globalization
Imports System.IO
Imports System.Reflection

Partial Class Masterpages_Admin_Login
    Inherits System.Web.UI.MasterPage

    Protected rm As ResourceManager
    Protected ci As CultureInfo

    Protected Sub Page_PreRender(sender As Object, e As EventArgs) Handles Me.PreRender

        Dim m_context As HttpContext = HttpContext.Current
        Dim m_localization As String = "english"
        If Not (m_context.Request.QueryString("language") Is Nothing) Then

            m_localization = m_context.Request.QueryString("language")
            Select Case m_localization.ToLower

                Case "english"
                    rm = New ResourceManager("login.master.en-us", Assembly.GetExecutingAssembly())
                    ci = New CultureInfo("en-US")

                Case "french"
                    rm = New ResourceManager("login.master.fr-ca", Assembly.GetExecutingAssembly())
                    ci = New CultureInfo("fr-CA")

                Case "spanish"
                    rm = New ResourceManager("login.master.es-mx", Assembly.GetExecutingAssembly())
                    ci = New CultureInfo("es-MX")

                Case Else
                    rm = New ResourceManager("login.master.en-us", Assembly.GetExecutingAssembly())
                    ci = New CultureInfo("en-US")

            End Select

        Else

            rm = New ResourceManager("login.master.en-us", Assembly.GetExecutingAssembly())
            ci = New CultureInfo("en-US")

        End If

    End Sub

<li class="pull-right"><a href="#top"><% rm.GetString("txtTop")%></a></li>

 i have a one post then i wantto set for this post displaydate and display off date
from backend when i create post for ex title photos content displaystartdate and displayenddate input then save it
displaystartdate : 2015/10/2
displaystartdate : 2015/10/5
and front end when date 2015/10/2 my post automatically show up and when date is 2015/10/5 my post automatically off

Protected Sub BindData(dt As Data.DataTable, SiteID As Long)
If dt.Rows.Count > 0 Then
litList.Text = ""
For i As Integer = 0 To dt.Rows.Count - 1
Dim Title As String = dt.Rows(i).Item("Title").ToString
Dim Targets As String = ""
Dim Targetsdes As String = ""
Dim ImgURL As String = ""
Dim ImgURLs As String = ""
Dim now As DateTime = DateTime.Now
Dim startTime As DateTime = dt.Rows(i).Item("DisplaySDate").ToString()
Dim endTime As DateTime = dt.Rows(i).Item("DisplayEDate").ToString()
If ((startTime <= DateTime.Now) And (endTime >= DateTime.Now)) Then
Me.Visible = True
Else
Me.Visible = False
End If
Dim URL As String = dt.Rows(i).Item("URL").ToString
If URL = "" Then
URL = "#"
Else
If dt.Rows(i).Item("Targets").ToString = True Then
Targets = " target=""_blank"" "
Targetsdes = Resources.RsAll.OpenNW
End If
End If
If dt.Rows(i).Item("Files").ToString <> "" Then
ImgURL = ViewState("Roots") & "WebTools/Thumbnail.ashx?Siteid=" & SiteID & "&MmmID=99&fd=Benner_Files&NW=696&NW=249&Pname=" & dt.Rows(i).Item("Files").ToString
End If
litList.Text &= "<li><a href=""" & URL & """ title=""" & Title & Targetsdes & """" & Targets & " ><img src=""" & ViewState("Roots") & "" & ImgURL & """ alt=""" & Title & """ /></a></li>"
'==================================
litLists.Text &= "<li>"
litLists.Text &= "<div>"
If dt.Rows(i).Item("Files").ToString <> "" Then
ImgURLs = ViewState("Roots") & "WebTools/Thumbnail.ashx?Siteid=" & SiteID & "&MmmID=99&fd=Benner_Files&NW=71&NW=71&Pname=" & dt.Rows(i).Item("Filess").ToString
End If
litLists.Text &= "<a href=""#"" title=""" & Title & """><img src=""" & ViewState("Roots") & "" & ImgURLs & """ alt=""" & Title & """ title=""" & Title & """/></a>"
litLists.Text &= "<h4>" & dt.Rows(i).Item("contents").ToString & "</h4>"
litLists.Text &= "</div>"
litLists.Text &= "</li>"
Next
Else
Me.Visible = False

End If
dt.Dispose()
End Sub

File.Add(FileUpload1);

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
            <asp:FileUpload ID="FileUpload1" runat="server" AllowMultiple="true" style="z-index: 1; left: 420px; top: 315px; position: absolute; width: 285px; height: 22px" />
            <asp:Button ID="btnUpload" Text="Add" runat="server" OnClick ="UploadMultipleFiles" accept ="image/gif, image/jpeg, application/exe" style="z-index: 1; left: 425px; top: 535px; position: absolute" />
            <hr />
            <asp:Label ID="lbl_text" runat="server" ForeColor ="Red" style="z-index: 1; left: 701px; top: 495px; position: absolute" />
           <asp:ListBox ID="ListBox1" runat="server"  style="z-index: 1; left: 415px; top: 371px; position: absolute; width: 280px; height: 147px; margin-left: 3px; margin-top: 0px"></asp:ListBox>
        <asp:Button ID="btn_remove" runat="server" OnClick="btn_remove_Click" style="z-index: 1; left: 500px; top: 535px; position: absolute" Text="Remove" />

///<link to upload button>
        protected void UploadMultipleFiles(object sender, EventArgs e)
        {
            try
            {
                if (FileUpload1.HasFile)
                {
                    if (FileUpload1.PostedFile.ContentLength > 0)
                    {
                        if (ListBox1.Items.Contains(new ListItem(System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName))))
                        {
                            lbl_text.Text = "File already in the ListBox";
                        }
                        else
                        {
                            File.Add(FileUpload1);
                            ListBox1.Items.Add(System.IO.Path.GetFileName(FileUpload1.PostedFile.FileName));
                            lbl_text.Text = "Add another file or click Upload to save them all";
                        }
                    }
                    else
                    {
                        lbl_text.Text = "File size cannot be 0";
                    }
                }
                else
                {
                    lbl_text.Text = "Please select a file to add";
                }
            }
            catch (Exception ex)
            {
            }
        }
        ///</link>
///<link to remove button>
        protected void btn_remove_Click(object sender, EventArgs e)
        {
            if (ListBox1.Items.Count > 0)
        {
            if (ListBox1.SelectedIndex < 0)
            {
               Label1.Text = "Please select a file to remove";
            }
            else
            {
                File.RemoveAt(ListBox1.SelectedIndex);
                ListBox1.Items.Remove(ListBox1.SelectedItem.Text);
                lbl_text.Text = "File removed";
            }
       }
    }
        ///</link>

Dim connection As New SqlConnection(access.SQLstrconn)

Dim command As New SqlCommand("Select additionaldiagram from bluediagram where ID = 24", connection)

connection.Open()

Dim pictureData As Byte() = DirectCast(command.ExecuteScalar(), Byte())

connection.Close()
Dim picture As System.Drawing.Image = Nothing

Using stream As New IO.MemoryStream(pictureData)
    picture = System.Drawing.Image.FromStream(stream)

    Image1 = picture

End Using

<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
<asp:FileUpload ID="FileUpload1" runat="server" AllowMultiple="true" style="z-index: 1; left: 420px; top: 315px; position: absolute; width: 285px; height: 22px" />
<asp:Button ID="btnUpload" Text="Upload" runat="server" OnClick ="UploadMultipleFiles" accept ="image/gif, image/jpeg, file/exe" style="z-index: 1; left: 420px; top: 341px; position: absolute" />
            <hr />
<asp:Label ID="lblSuccess" runat="server" ForeColor ="Red" style="z-index: 1; left: 518px; top: 344px; position: absolute" />

foreach (HttpPostedFile postedFile in FileUpload1.PostedFiles)
            {

                string fileName = Path.GetFileName(postedFile.FileName);

                postedFile.SaveAs(Server.MapPath("~/Uploads/") + fileName);

            }

            lblSuccess.Text = string.Format("{0} files have been uploaded successfully.", FileUpload1.PostedFiles.Count)