worked on Prescription.aspx

FWA_MAIN/preNew.aspx

@@ -1,7 +1,17 @@
 <%@ Page Title="New Prescription" Language="C#" MasterPageFile="main.master" CodeBehind="preNew.aspx.cs" Inherits="FWA_MAIN.preNew" %>
 
 <asp:Content runat="server" ContentPlaceHolderID="cph1">
-    
+    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
+        <script type="text/javascript">
+    $(document).ready(function() {
+        $(document).keypress(function(e) {
+            if (e.which === 13) { // Enter key = keycode 13
+                e.preventDefault(); // Prevent the default Enter action
+                $("#<%= btnSavePat.ClientID %>").click(); // Trigger the search button click
+            }
+        });
+    });
+    </script>
     <link type="text/css" href="main.css"/>
     
     <h1 style="text-align: center; font-size: 44px">New Prescription</h1>