Pass varible from one page to another ASP.Net VB

Question

I would like to pass the PubDate from Test.aspx to Test2.aspx

(Test Page 1) test.aspx.vb


Dim con As New SqlConnection("Data Source=MyDB;Initial Catalog=Me;User ID=MyAdmin;Password=MyPswd")
'Declare values from user input
Dim fileName As String = ""
Dim FilePath As String = Path.GetFileName(fileName)
Dim Title As String = txtTitle.Text.ToString()
Dim Title2 As String = txtTitle2.Text.ToString()
Dim City As String = txtCity.Text.ToString()
Dim State As String = txtState.Text.ToString()
Dim PubDate As String = txtPubdate.Text.ToString()
Dim Description As String = txtDescription.Content.ToString()
lblSuccess.Text = ""
txtTitle.Text = ""
txtTitle2.Text = ""
txtCity.Text = ""
txtState.Text = ""
txtPubdate.Text = ""
txtDescription.Content = ""
'PubDate = Request.QueryString("PubDate")
Dim cmd As New SqlCommand()
cmd.Connection = Nothing
cmd.CommandText = "INSERT INTO NewsroomTestimony(Title, Title2, City, State, PubDate, Description, FileName) values(@Title,@Title2,@City,@State,@PubDate,@Description,@FileName)"
cmd.Parameters.AddWithValue("@Title", Title)
cmd.Parameters.AddWithValue("@Title2", Title2)
cmd.Parameters.AddWithValue("@City", City)
cmd.Parameters.AddWithValue("@State", State)
cmd.Parameters.AddWithValue("@PubDate", PubDate)
cmd.Parameters.AddWithValue("@Description", Description)
cmd.Parameters.AddWithValue("@FileName", "../newsroom/testimonyInfo/" & FilePath)
cmd.Connection = con
con.Open()
Dim result As Integer = cmd.ExecuteNonQuery()
con.Close()
Response.Clear()
If result > 0 Then
lblSuccess.Text = "Testimony Created"
Response.Write(PubDate)
End If
End Sub

(Test Page 2) test2.aspx.vb


Protected Sub Page_Load(sender As Object, e As EventArgs)
If Not IsPostBack Then
Dim con As New SqlConnection("Data Source=HQDANA3A413VDB1;Initial Catalog=Sigar;User ID=Sigar_Admin;Password=$Jzpoj^6z>%y9E")
Dim cmd As New SqlCommand()
Dim queryString As String = "SELECT PubDate FROM NewsroomTestimony"
cmd.Connection = Nothing
cmd.CommandText = queryString
cmd.Connection = con
Dim dr As SqlDataReader
con.Open()
dr = cmd.ExecuteReader()
txtPubdate.Text = "PubDate"
txtPubdate.DataBind()
dr.Close()
con.Close()
End If
End Sub

Protected Sub SubmitBtn_Click(sender As Object, e As System.EventArgs)
Dim con As New SqlConnection("Data Source=MyDB;Initial Catalog=Me;User ID=MyAdmin;Password=MyPswd")
Dim queryString As String = "SELECT * FROM NewsroomTestimony where PubDate='" + txtPubdate.Text & "'"
Dim fileName As String = ""
Try
Dim cmd As New SqlCommand()
cmd.Connection = Nothing
cmd.CommandText = queryString
cmd.Connection = con
Dim dr As SqlDataReader
con.Open()
dr = cmd.ExecuteReader()

Dim settings As New XmlWriterSettings()
settings.Indent = True
Dim writer As XmlWriter = XmlWriter.Create(Server.MapPath("TestimonyDetail.xml"), settings)
writer.WriteStartDocument()
writer.WriteStartElement("newsroom")
writer.WriteStartElement("testimony")
While dr.Read()
writer.WriteStartElement("detail")
writer.WriteElementString("title", dr.GetString(dr.GetOrdinal("Title")))
writer.WriteElementString("subtitle", dr.GetString(dr.GetOrdinal("Title2")))
Dim dateNew As String = "", monthNew As String = "", strTime As String = ""
Dim sCity As String = dr.GetString(dr.GetOrdinal("City"))
Dim sState As String = dr.GetString(dr.GetOrdinal("State"))
Dim DTNew As DateTime
DTNew = dr.GetDateTime(dr.GetOrdinal("PubDate"))
dateNew = DTNew.ToLongDateString()
sCity = sCity & ", " & sState & " ~ " & dateNew
monthNew = DTNew.ToString("yyyy-MMM-dd").ToLower()
Dim nowTime As DateTime = DateTime.Now
strTime = nowTime.Millisecond.ToString("")

'Create the folder by year
' Dim NewFolderYear = ""
' Dim yearNew As String = ""
' Dim basePath As String = Server.MapPath("../TestimonyDetail/")
'yearNew = DTNew.ToString("yyyy").ToUpper()
'Directory.CreateDirectory(Path.Combine(basePath, yearNew))
fileName = monthNew & "-ig-testify-" & strTime & ".html"
writer.WriteElementString("location_date", sCity)
writer.WriteElementString("description", dr.GetString(dr.GetOrdinal("Description")))
writer.WriteEndElement()
End While
writer.WriteEndElement()
writer.WriteEndElement()
writer.WriteEndDocument()
writer.Flush()
writer.Close()
dr.Close()
Catch ex As Exception
Response.Write(ex.Message)
Return
Finally
con.Close()
End Try
'check for folder year ex: 2012
Dim sourceFile As String = Server.MapPath("testimonyDetail.xml")
Dim stylesheet As String = Server.MapPath("testimonyDetail.xsl")
Dim outputFile As String = Server.MapPath(fileName)
Dim xslt As New XslCompiledTransform(True)
xslt.Load(stylesheet)
Dim outputStream As New FileStream(outputFile, FileMode.Append)
xslt.Transform(sourceFile, Nothing, outputStream)
lblSuccess.Text = "XML & HTML Done!"
Response.Write(outputFile)
End Sub