Completato comportamento corretto (base) x autocomplete!

PROJ-ETS/PROJ-ETS/WebUserControls/mod_autocomplete.ascx

@@ -1,7 +1,7 @@
 <%@ Control Language="C#" AutoEventWireup="true" CodeBehind="mod_autocomplete.ascx.cs" Inherits="PROJ_ETS.WebUserControls.mod_autocomplete" %>
 <script>
     $(function () {
-        $(".searchinput").autocomplete({
+        $("#<%=txtSelezione.ClientID %>").autocomplete({
             source: function (request, response) {
                 $.ajax({
                     type: "POST",
@@ -26,42 +26,44 @@
             },
             select: function (e, i) {
                 $("#<%=hiddenFieldID.ClientID %>").val(i.item.val);
-                //$("#<%=btnPost.ClientID %>").click();
+                $("#<%=txtSelezione.ClientID %>").val(i.item.label);
+                $("#<%=btnPost.ClientID %>").click();
             },
             minLength: 2
         });
     });
-        var prm = Sys.WebForms.PageRequestManager.getInstance();
-        prm.add_endRequest(function () {
+    var prm = Sys.WebForms.PageRequestManager.getInstance();
+    prm.add_endRequest(function () {
+        $(function () {
+            // chiamate jquery da rieseguire post ajax update x partial page render
             $(function () {
-                // chiamate jquery da rieseguire post ajax update x partial page render
-                $(function () {
-                    $(".searchinput").autocomplete({
-                        source: function (request, response) {
-                            $.ajax({
-                                type: "POST",
-                                contentType: "application/json; charset=utf-8",
-                                url: "/Services/WS_data.asmx/Test",
-                                data: "{'keywordStartsWith':'" + request.term + "'}",
-                                dataType: "json",
-                                async: true,
-                                success: function (data) {
-                                    //response(data.d);
-                                    response($.map(data.d, function (item) {
-                                        return {
-                                            label: item.split('#')[0],
-                                            val: item.split('#')[1]
-                                        }
-                                    }))
-                                },
-                                error: function (result) {
-                                    alert("Due to unexpected errors we were unable to load data");
-                                }
-                            });
-                        },
-                        select: function (e, i) {
+                $("#<%=txtSelezione.ClientID %>").autocomplete({
+                    source: function (request, response) {
+                        $.ajax({
+                            type: "POST",
+                            contentType: "application/json; charset=utf-8",
+                            url: "/Services/WS_data.asmx/Test",
+                            data: "{'keywordStartsWith':'" + request.term + "'}",
+                            dataType: "json",
+                            async: true,
+                            success: function (data) {
+                                //response(data.d);
+                                response($.map(data.d, function (item) {
+                                    return {
+                                        label: item.split('#')[0],
+                                        val: item.split('#')[1]
+                                    }
+                                }))
+                            },
+                            error: function (result) {
+                                alert("Due to unexpected errors we were unable to load data");
+                            }
+                        });
+                    },
+                    select: function (e, i) {
                             $("#<%=hiddenFieldID.ClientID %>").val(i.item.val);
-                            //$("#<%=btnPost.ClientID %>").click();
+                            $("#<%=txtSelezione.ClientID %>").val(i.item.label);
+                            $("#<%=btnPost.ClientID %>").click();
                         },
                         minLength: 2
                     });
@@ -71,7 +73,7 @@
 </script>
 <label for="txtSelezione">Tags: </label>
 <asp:TextBox runat="server" ID="hiddenFieldID" AutoPostBack="true" OnTextChanged="hiddenFieldID_TextChanged" Visible="true"
-    ViewStateMode="Enabled" Width="3em" Font-Size="6pt" BackColor="Transparent" BorderStyle="None" />
+    ViewStateMode="Enabled" Width="0em" Font-Size="6pt" BackColor="Transparent" BorderStyle="None" />
 <asp:TextBox runat="server" ID="txtSelezione" CssClass="searchinput" OnTextChanged="txtSelezione_TextChanged" AutoPostBack="True" />
 <asp:Button runat="server" ID="btnPost" OnClick="btnPost_Click" Visible="true" Text="..." />
 <br />