diff --git a/Customers/CustomsAviso.aspx.vb b/Customers/CustomsAviso.aspx.vb
index bcdb494..64d3cc3 100644
--- a/Customers/CustomsAviso.aspx.vb
+++ b/Customers/CustomsAviso.aspx.vb
@@ -636,6 +636,7 @@ Partial Class CustomsAviso
 
     Protected Sub btn_Auftraege_Click(ByVal sender As Object, e As EventArgs) Handles btn_Auftraege.Click
         dt = Nothing
+        MsgBox("TEst")
         Session.Add("mytable", Nothing)
         If Session.Item("mytable") = Nothing Then
             If txt_Absender.Text IsNot "" Then
@@ -654,7 +655,11 @@ Partial Class CustomsAviso
                     regexval_txt_Absender.ForeColor = Drawing.Color.Red
                     regexval_txt_Absender.ErrorMessage = "Der Absender ist nicht richtig formatiert."
                 End If
-            ElseIf txt_Empfaenger.Text IsNot "" Then
+            Else
+                txt_Absender.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regexval_txt_Absender.Enabled = False
+            End If
+            If txt_Empfaenger.Text IsNot "" Then
                 txt_Empfaenger.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regexval_txt_Empfaenger.Enabled = True
                 regexval_txt_Empfaenger.Validate()
@@ -669,7 +674,11 @@ Partial Class CustomsAviso
                     regexval_txt_Empfaenger.ForeColor = Drawing.Color.Red
                     regexval_txt_Empfaenger.ErrorMessage = "Der Empfänger ist nicht richtig formatiert."
                 End If
-            ElseIf txt_KdNrAuftrag.Text IsNot "" Then
+            Else
+                txt_Empfaenger.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regexval_txt_Empfaenger.Enabled = False
+            End If
+            If txt_KdNrAuftrag.Text IsNot "" Then
                 txt_KdNrAuftrag.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regexval_txt_KdNrAuftrag.Enabled = True
                 regexval_txt_KdNrAuftrag.Validate()
@@ -684,7 +693,11 @@ Partial Class CustomsAviso
                     regexval_txt_KdNrAuftrag.ForeColor = Drawing.Color.Red
                     regexval_txt_KdNrAuftrag.ErrorMessage = "Die Kundenummer ist nicht richtig formatiert."
                 End If
-            ElseIf txt_LKWNr.Text IsNot "" Then
+            Else
+                txt_KdNrAuftrag.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regexval_txt_KdNrAuftrag.Enabled = False
+            End If
+            If txt_LKWNr.Text IsNot "" Then
                 txt_LKWNr.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regexval_txt_LKW.Enabled = True
                 regexval_txt_LKW.Validate()
@@ -698,7 +711,11 @@ Partial Class CustomsAviso
                     regexval_txt_LKW.ForeColor = Drawing.Color.Red
                     regexval_txt_LKW.ErrorMessage = "Das LKW Kennzeichen ist nicht richtig formatiert."
                 End If
-            ElseIf txt_Absender_M.Text IsNot "" Then
+            Else
+                txt_LKWNr.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regexval_txt_LKW.Enabled = False
+            End If
+            If txt_Absender_M.Text IsNot "" Then
                 txt_Absender_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regval_txt_Absender_M.Enabled = True
                 regval_txt_Absender_M.Validate()
@@ -713,12 +730,17 @@ Partial Class CustomsAviso
                     regval_txt_Absender_M.ForeColor = Drawing.Color.Red
                     regval_txt_Absender_M.ErrorMessage = "Der Absender ist nicht richtig formatiert."
                 End If
-            ElseIf txt_Empfaenger_M.Text IsNot "" Then
+            Else
+                txt_Absender_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regval_txt_Absender_M.Enabled = False
+            End If
+            If txt_Empfaenger_M.Text IsNot "" Then
                 txt_Empfaenger_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regval_txt_Empfaenger_M.Enabled = True
                 regval_txt_Empfaenger_M.Validate()
                 If regval_txt_Empfaenger_M.IsValid = True Then
                     Try
+                        wasmobile = True
                         Empfaenger = txt_Empfaenger_M.Text
                     Catch ex As FormatException
                         MsgBox("Diese Daten können nicht validiert werden", MsgBoxStyle.Critical)
@@ -727,7 +749,11 @@ Partial Class CustomsAviso
                     regval_txt_Empfaenger_M.ForeColor = Drawing.Color.Red
                     regval_txt_Empfaenger_M.ErrorMessage = "Der Empfänger ist nicht richtig formatiert."
                 End If
-            ElseIf txt_KdNrAuftrag_M.Text IsNot "" Then
+            Else
+                txt_Empfaenger_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regval_txt_Empfaenger_M.Enabled = False
+            End If
+            If txt_KdNrAuftrag_M.Text IsNot "" Then
                 txt_KdNrAuftrag_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regval_txt_KdNrAuftrag_M.Enabled = True
                 regval_txt_KdNrAuftrag_M.Validate()
@@ -742,7 +768,11 @@ Partial Class CustomsAviso
                     regval_txt_KdNrAuftrag_M.ForeColor = Drawing.Color.Red
                     regval_txt_KdNrAuftrag_M.ErrorMessage = "Die Kundennummer ist nicht richtig formatiert."
                 End If
-            ElseIf txt_LKWNr_M.Text IsNot "" Then
+            Else
+                txt_KdNrAuftrag_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regval_txt_KdNrAuftrag_M.Enabled = False
+            End If
+            If txt_LKWNr_M.Text IsNot "" Then
                 txt_LKWNr_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
                 regexval_txt_LKWNr_M.Enabled = True
                 regexval_txt_LKWNr_M.Validate()
@@ -757,6 +787,9 @@ Partial Class CustomsAviso
                     regexval_txt_LKWNr_M.ForeColor = Drawing.Color.Red
                     regexval_txt_LKWNr_M.ErrorMessage = "Das LKW Kennzeichen ist nicht richtig formatiert."
                 End If
+            Else
+                txt_LKWNr_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regexval_txt_LKWNr_M.Enabled = False
             End If
             If rbt_Alle.Checked = True Then
                 pickdate1.ValidateRequestMode = UI.ValidateRequestMode.Enabled
diff --git a/Customers/Invoices.aspx b/Customers/Invoices.aspx
index 4954cd7..1472ca1 100644
--- a/Customers/Invoices.aspx
+++ b/Customers/Invoices.aspx
@@ -94,7 +94,7 @@
                                 </div>
                                 <div style="margin-left:6px">
                                     <div class="col-12" style="text-align:end">
-                                        <asp:LinkButton ID="btn_resetForm" runat="server" OnClick="btn_resetForm_Click"><%Response.Write(Server.HtmlEncode("Formular zurücksetzen"))%></asp:LinkButton>
+                                        <asp:LinkButton ID="btn_resetForm" runat="server" OnClick="btn_resetForm_Click">Formular zurücksetzen</asp:LinkButton>
                                     </div>
                                     <div style="height:20px">
                                          <asp:Label ID="lbl_status" runat="server" Font-Size="1em" ForeColor="Black" Text=""></asp:Label>
diff --git a/Customers/Invoices.aspx.vb b/Customers/Invoices.aspx.vb
index 5d2011f..af1538c 100644
--- a/Customers/Invoices.aspx.vb
+++ b/Customers/Invoices.aspx.vb
@@ -317,6 +317,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + ": Error Sender Validation"
                 End Try
+            Else
+                txt_Absender.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_Absender.Enabled = False
             End If
             If txt_Empfaenger.Text IsNot "" Then
                 txt_Empfaenger.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -335,6 +338,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + "Error Reciever Validation"
                 End Try
+            Else
+                txt_Empfaenger.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_Empfaenger.Enabled = False
             End If
             If txt_KdNrAuftrag.Text IsNot "" Then
                 txt_KdNrAuftrag.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -353,6 +359,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + "Error Customer Order number Validation"
                 End Try
+            Else
+                txt_KdNrAuftrag.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_KdNrAuftrag.Enabled = False
             End If
             If txt_LKW.Text IsNot "" Then
                 txt_LKW.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -371,6 +380,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb() + "Error LKW Number plate Validation"
                 End Try
+            Else
+                txt_LKW.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_LKW.Enabled = False
             End If
             If txt_ReNr.Text IsNot "" Then
                 txt_ReNr.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -390,6 +402,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + "Error invoice number validation"
                 End Try
+            Else
+                txt_ReNr.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_ReNr.Enabled = False
             End If
             If txt_Absender_M.Text IsNot "" Then
                 txt_Absender_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -408,6 +423,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + ": Error Sender Validation"
                 End Try
+            Else
+                txt_Absender_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_Absender_M.Enabled = False
             End If
             If txt_Empfaenger_M.Text IsNot "" Then
                 txt_Empfaenger_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -426,6 +444,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + "Error Reciever Validation"
                 End Try
+            Else
+                txt_Empfaenger_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_Empaenger_M.Enabled = False
             End If
             If txt_KdNrAuftrag_M.Text IsNot "" Then
                 txt_KdNrAuftrag_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -444,6 +465,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + "Error Customer Order number Validation"
                 End Try
+            Else
+                regex_txt_KdNrAuftrag_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_KdNrAuftrag_M.Enabled = False
             End If
             If txt_LKW_M.Text IsNot "" Then
                 txt_LKW_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -462,6 +486,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb() + "Error LKW Number plate Validation"
                 End Try
+            Else
+                txt_LKW_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_LKW_M.Enabled = False
             End If
             If txt_ReNr_M.Text IsNot "" Then
                 txt_ReNr_M.ValidateRequestMode = UI.ValidateRequestMode.Enabled
@@ -481,6 +508,9 @@ Partial Class Customers_Default3
                     lbl_status.ForeColor = Drawing.Color.Red
                     lbl_status.Text = VERAG_VARIABLES.geterrornumb + "Error invoice number validation"
                 End Try
+            Else
+                txt_ReNr_M.ValidateRequestMode = UI.ValidateRequestMode.Disabled
+                regex_txt_ReNr_M.Enabled = False
             End If
 
             If pickdate1.Text = Nothing Or pickdate2.Text = Nothing Then