If There Is No Picture Selected

Dear readers,

On my page people can opload foto's with a

 <asp:FileUpload ID="myfile" runat="server" BorderWidth="3px" BorderColor="Silver" BorderStyle="Inset" />

and stored the filePath in the database

Now i want, that when there is no picture selected, the path to Noimage.jpg picture who is in my image map will stored on my datadbase.

my script start like this

 If Not (myfile.HasFile) Then

////how can i select a standard image from
my imageMap and store path to database /////


Dim cnn As Data.SqlClient.SqlConnection

Dim cmd As Data.SqlClient.SqlCommand

Dim strSQL As String

Dim connString As String = (ConfigurationManager.ConnectionStrings("Personal").ConnectionString)
strSQL = "Insert Into tblMateriaal(ArtikelGroep,Artikelnaam,ArtikelType,ArtikelMaat,Aantal,Prijs,ContactPersoon,EmailAdress,Aanvul) Values(@ArtikelGroep,@ArtikelNaam,@ArtikelType,@ArtikelMaat,@Aantal,@Prijs,@ContactPersoon,@EmailAdress,@Aanvul)"
cnn = New Data.SqlClient.SqlConnection(connString)

cmd = New Data.SqlClient.SqlCommand(strSQL, cnn)

Dim plaatje As New Data.SqlClient.SqlParameter("@plaatje", System.Data.SqlDbType.NVarChar)
plaatje.Value = " "
cmd.Parameters.Add(plaatje)

Dim ArtikelGroep As New Data.SqlClient.SqlParameter("@ArtikelGroep", System.Data.SqlDbType.NVarChar)
ArtikelGroep.Value = ddl1.SelectedValue
cmd.Parameters.Add(ArtikelGroep)

Dim ArtikelNaam As New Data.SqlClient.SqlParameter("@ArtikelNaam", System.Data.SqlDbType.NVarChar)
ArtikelNaam.Value = tb1.Text
cmd.Parameters.Add(ArtikelNaam)


cnn.Open()

cmd.ExecuteNonQuery()

cnn.Close()
End if  Lots of thanks