request.querystring
<p>how can i use request.querystring in asp.net.i have a linkbutton and this is in a repeater control.i want to play video for the corresponding link _click.i want to pass a fileID of the corresponding link to a function,how can i do this ?</p>

<pre><code>&lt;asp:Repeater ID="Repeater2" runat="server"&gt;
    &lt;ItemTemplate&gt;
        &lt;asp:LinkButton runat="server" ID="LnkBtn" 
                OnClick="ButtonShowVideo_Click"&gt;&lt;%#Eval("FileName")%&gt;
        &lt;/asp:LinkButton&gt;
    &lt;/ItemTemplate&gt;
&lt;/asp:Repeater&gt;


Protected Sub ButtonShowVideo_Click(ByVal sender As System.Object, 
                   ByVal e As System.EventArgs) Handles ButtonShowVideo.Click
    Repeater1.DataSource = GetSpecificVideo(**here i want to get the fileID**)
    Repeater1.DataBind()
End Sub

Private Function GetSpecificVideo(ByVal i As Object) As DataTable
    'pass the id of the video
    Dim connectionString As String = ConfigurationManager
                 .ConnectionStrings("UploadConnectionString").ConnectionString
    Dim adapter As New SqlDataAdapter("SELECT FileName, FileID,FilePath " + 
             "FROM FileM WHERE FileID = @FileID", connectionString)
        adapter.SelectCommand.Parameters.Add("@FileID", SqlDbType.Int).Value = 
                            DirectCast(i,Integer)
    Dim table As New DataTable()
    adapter.Fill(table)
    Return table
End Function
</code></pre>
