How to load pdf from database to pdfiframe asp.net
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="DocumentReader.aspx.vb" Inherits="UNIFORMWEB2023.DocumentReader" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
#pdfiframe {
width: 904px;
height: 649px;
margin-top: 25px;
}
.auto-style1 {
width: 100%;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<table class="auto-style1">
<tr>
<td>Load Document </td>
<td>
<asp:DropDownList ID="DropDownList1" runat="server" Height="35px" Width="279px">
</asp:DropDownList>
</td>
<td> </td>
</tr>
</table>
<iframe runat="server" id="pdfiframe" frameborder="1" src="">
</iframe>
</div>
</form>
</body>
</html>