diff --git a/Ventas/PV.aspx b/Ventas/PV.aspx
index b28c7670a..3ce87c0b8 100644
--- a/Ventas/PV.aspx
+++ b/Ventas/PV.aspx
@@ -2910,9 +2910,9 @@
                                                         <div class="col-md-2">
                                                             <div id="DivCodigoTD" class="form-group form-md-line-input input-iconright" runat="server" visible="false">
                                                                 <asp:TextBox ID="TxtCodigoTD" CssClass="form-control" runat="server" MaxLength="11" Width="120%"></asp:TextBox>
-                                                                <asp:RequiredFieldValidator ID="RFVCodigoTD" runat="server" ControlToValidate="TxtCodigoTD" Display="None" ErrorMessage="<b><span style='text-decoration: underline'>ERROR:</span></b><br />El campo <b>''Importe''</b> es necesario, por favor ingréselo." ValidationGroup="GrpAddVenta"></asp:RequiredFieldValidator>
+                                                                <asp:RequiredFieldValidator ID="RFVCodigoTD" runat="server" ControlToValidate="TxtCodigoTD" Display="None" ErrorMessage="<b><span style='text-decoration: underline'>ERROR:</span></b><br />El campo <b>''Código''</b> es necesario, por favor ingréselo." ValidationGroup="GrpAddVenta"></asp:RequiredFieldValidator>
                                                                 <ajax:ValidatorCalloutExtender ID="ValidatorCalloutExtender2" runat="server" HighlightCssClass="vco" TargetControlID="RFVCodigoTD"></ajax:ValidatorCalloutExtender>
-                                                                <ajax:FilteredTextBoxExtender ID="FilteredTextBoxExtender1" runat="server" TargetControlID="TxtCodigoTD" FilterType="Custom, Numbers" ValidChars="." />
+                                                                <ajax:FilteredTextBoxExtender ID="FilteredTextBoxExtender1" runat="server" TargetControlID="TxtCodigoTD" FilterType="Custom, Numbers, UppercaseLetters " ValidChars="." />
                                                                 <label for="<%= TxtCodigoTD.ClientID.ToString()%>">Código:</label>
                                                             </div>
                                                         </div>