Fix gestione codici "lunghi" nuovi

...in decodifica prendeva ancora primi 4 char...

GIM_dataLayer/obj/Release/GIM_dataLayer.csproj.FileListAbsolute.txt

@@ -13,3 +13,4 @@ C:\Users\samuele.STEAMWAREWIN\Documents\VisualStudioProjects\WebGIM\WebGIM\GIM_d
 C:\Users\samuele.STEAMWAREWIN\Documents\VisualStudioProjects\WebGIM\WebGIM\GIM_dataLayer\bin\Release\it\Microsoft.Build.Utilities.v3.5.resources.dll
 C:\Users\samuele.STEAMWAREWIN\Documents\VisualStudioProjects\WebGIM\WebGIM\GIM_dataLayer\obj\Release\GIM_dataLayer.dll
 C:\Users\samuele.STEAMWAREWIN\Documents\VisualStudioProjects\WebGIM\WebGIM\GIM_dataLayer\obj\Release\GIM_dataLayer.pdb
+C:\Users\samuele.STEAMWAREWIN\Documents\VisualStudioProjects\WebGIM\WebGIM\GIM_dataLayer\bin\Release\SteamWare.dll.config

GIM_site/WebUserControls/mod_selCodice.ascx.cs

@@ -42,7 +42,10 @@ namespace GIM_site.WebUserControls
             {
                 try
                 {
-                    ddlGruppo.SelectedValue = value.Substring(0, 4);
+                    int posPunto = value.IndexOf('.');
+                    posPunto = value.IndexOf('.', posPunto + 1);
+                    string codGruppo = value.Substring(0, posPunto);
+                    ddlGruppo.SelectedValue = codGruppo;
                     ddlCodInterno.SelectedValue = value;
                 }
                 catch