Display a table on a webpage from database

yea simply add the gridview from toolbox in user.aspx page and run the below line of code on page load event of user.aspx page

Partial Class Pages_user
    Inherits System.Web.UI.Page

    Sub Page_Load(ByVal Sender As System.Object, ByVal e As System.EventArgs)

        If Not IsPostBack Then
            Dim conn As New System.Data.SqlClient.SqlConnection("Data Source=(LocalDB)\v11.0;AttachDbFilename=C:\Users\Laura\Final_proj\App_Data\surgerydb.mdf;Integrated Security=True;Connect Timeout=30")
            Dim cmdstring As String = "SELECT pt.PatientId, pt.ForeName, pt.Username, md.Name, md.Purpose, md.Instrcutions  " +
                                        "FROM Patient pt INNER JOIN prescription pr ON pt.PatientId = pr.PatientId  " +
                                        "INNER JOIN medicine md ON md.MedicineId = pr.MedicineId Where pt.PatientId  = @PatientId"
            Dim dt As New System.Data.DataTable()
            Dim da As New System.Data.SqlClient.SqlDataAdapter(cmdstring, conn)
            da.SelectCommand.Parameters.Add("@PatientId", System.Data.SqlDbType.Int).Value = CInt(Session("PatientId").ToString())
            conn.Open()
            da.Fill(dt)
            conn.Close()

            GridView1.DataSource = dt
            GridView1.DataBind()
        End If

    End Sub
End Class

And your aspx page code will be

<%@ Page Title="" Language="VB" MasterPageFile="~/Masterpages/MasterPage2.master" AutoEventWireup="true" CodeFile="user.aspx.vb" Inherits="Pages_user" %>

<asp:Content ID="Content1" ContentPlaceHolderID="title" runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="head" runat="Server">
    <style type="text/css">
        .auto-style2 {
            font-size: x-large;
        }
 </style>
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="contentbody" runat="Server" Inherits="Pages_user" CodeFile="Pages_user.aspx.vb">

    <p>
       <span class="auto-style2">Please Select Your Medication&nbsp;&nbsp;&nbsp;
        </span>

    </p>

    <asp:GridView ID="GridView1" runat="server" ></asp:GridView>

</asp:Content>