diff --git a/Customers/CustomsAviso.aspx b/Customers/CustomsAviso.aspx
index cc2f68e..99a5213 100644
--- a/Customers/CustomsAviso.aspx
+++ b/Customers/CustomsAviso.aspx
@@ -2,11 +2,12 @@
 
 <asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">  
         <!-- Bootstrap -->
-    <html lang="en"></html>
+    <html lang="en">
     <!-- Required meta tags -->
     <meta charset="utf-8"/>
     <meta name="viewport" content="width=device-width, initial-scale=1"/>
     <link rel="shortcut icon" href="../images/Icons/favicon/favicon.ico" />
+       
     <style>    
     .nav-item dropdown::marker {
     background-color: #fff;
@@ -107,6 +108,7 @@
                 });
             });            
         </script>
+         </html>
 </asp:Content> 
 
 <asp:Content ID="Content3" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server" EnableViewState="true">
diff --git a/Customers/Invoices.aspx b/Customers/Invoices.aspx
index e814418..dec4360 100644
--- a/Customers/Invoices.aspx
+++ b/Customers/Invoices.aspx
@@ -118,11 +118,11 @@
                             <div class="col-12" id="con4">
                                 <div class="col-12" id="container2" style="margin-left:2px">
                                     <asp:Label ID="lbl_von" runat="server" BorderStyle="None" ClientIDMode="Predictable">Von:</asp:Label>                                   
-                                    <asp:TextBox ID="pickdate1" Type="Date" CssClass="classTarget" runat="server" ClientIDMode="Predictable"></asp:TextBox>
+                                    <asp:TextBox ID="pickdate1" Type="Date" CssClass="classTarget" AutoPostback="false" runat="server" ClientIDMode="Predictable"></asp:TextBox>
                                     <asp:RequiredFieldValidator ControlToValidate="pickdate1" Display="Dynamic" ID="valreq_pickdate1" runat="server" ErrorMessage=""></asp:RequiredFieldValidator>
                                     <asp:CustomValidator runat="server" ID="valdaterage_1" OnServerValidate="valdaterage_1_ServerValidate" ControlToValidate="pickdate1" ForeColor="Red" Display="Dynamic" ErrorMessage="Fehler in Von-Feld" SetFocusOnError="true"></asp:CustomValidator> 
                                     <asp:Label ID="lbl_bis" runat="server" BorderStyle="None">Bis:</asp:Label>                                       
-                                    <asp:Textbox ID="pickdate2" Type="Date" CssClass="classTarget" runat="server"></asp:Textbox>
+                                    <asp:Textbox ID="pickdate2" Type="Date" CssClass="classTarget" AutoPostback="false" runat="server" ClientIDMode="Predictable"></asp:Textbox>
                                     <asp:RequiredFieldValidator ControlToValidate="pickdate2" Display="Dynamic" ID="valreq_pickdate2" runat="server" ErrorMessage=""></asp:RequiredFieldValidator>
                                     <asp:CustomValidator ControlToValidate="pickdate2" runat="server" Display="Dynamic" ID="valdaterange_2" OnServerValidate="valdaterange_2_ServerValidate" ErrorMessage="Fehler in Bis-Feld" SetFocusOnError="true"></asp:CustomValidator>
                                 </div>
