Hide HyperLink if Database cell is NULL

Visible ='<%# Eval("a") == System.DbNull.Value ? False : True %>'

Upload File in VB

VB

Dim spath As String = Server.MapPath("~/foldername/")
Dim sfile As String = FileUpload1.FileName
Dim sfullpath As String = spath & "\" & sfile
Try
  FileUpload1.SaveAs(sfullpath)


Catch ex As Exception
  Label1.Text = "Failed. " & ex.Message
End Try

errors : The name ... does not exist in the current

Make sure inherits and class same name

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="office.aspx.cs" Inherits="TEST_office" %>

public partial class TEST_office : System.Web.UI.Page
{
    
}