Unsure of what declaration string to add

I have the following aspx.vb page:
Imports System.IO Imports System.Data Imports System.Data.SqlClient Partial Class _Default Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load End Sub Protected Sub Submit1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Dim SaveLocation = "\\MSBWEB3\wwwroot\Webfile1\Data\upload.txt" If UploadFile(SaveLocation) Then 'the file was uploaded: now try saving it to the database SaveToDatabase(SaveLocation) End If End Sub Private Function UploadFile(ByVal SavePath As String) As Boolean Dim fileWasUploaded As Boolean = False 'indicates whether or not the file was uploaded 'Checking if the file upload control contains a file If Not File1.PostedFile Is Nothing And File1.PostedFile.ContentLength > 0 The ...