mejora warnings

SiteAngular.aspx.cs

@@ -25,6 +25,7 @@ public partial class SiteAngular :  System.Web.UI.Page
             }
             catch (Exception ex)
             {
+                string a = ex.Message;
                 return null;
             }
         }

Ventas/Clientes.aspx.vb

@@ -10337,7 +10337,7 @@ Partial Class Clientes
         ' DdlRegimenFiscal.SelectedIndex = -1
 
         Dim dt As DataTable = GlobalDTRegimenesFiscales(RdTipoPersona.SelectedValue.ToEntero).FiltraParametros("", "CodigoRegimenFiscal")
-        Dim Val As String
+        Dim Val As String = ""
 
         If dt IsNot Nothing AndAlso dt.Rows.Count > 0 Then
             'verifico que sino existe el valor. lo limpie