diff --git a/source/Tefin.Grpc/ProtocProcess.fs b/source/Tefin.Grpc/ProtocProcess.fs
index 0e97711..7c67ca8 100644
--- a/source/Tefin.Grpc/ProtocProcess.fs
+++ b/source/Tefin.Grpc/ProtocProcess.fs
@@ -168,5 +168,14 @@ module ProtocProcess =
          
       let csFiles = ResizeArray<string>()
       do! generateFor protosFiles[0] csFiles
-      return csFiles |> Seq.distinct |> Seq.toArray
+
+      let generatedCsFiles = csFiles |> Seq.distinct |> Seq.toArray
+
+      if (generatedCsFiles.Length > 0) then
+        //If we have generated new *.cs files, delete any dll lying around
+        let dlls = io.Dir.GetFiles(System.IO.Path.GetDirectoryName(generatedCsFiles[0]), "*.dll", System.IO.SearchOption.TopDirectoryOnly)
+        for dll in dlls do
+          io.File.Delete dll
+
+      return generatedCsFiles
     }
diff --git a/source/Tefin.Grpc/ServiceClient.fs b/source/Tefin.Grpc/ServiceClient.fs
index 09d812f..21f1a12 100644
--- a/source/Tefin.Grpc/ServiceClient.fs
+++ b/source/Tefin.Grpc/ServiceClient.fs
@@ -52,8 +52,12 @@ module ServiceClient =
       let lastParam = m.GetParameters() |> Array.last
       not (lastParam.ParameterType = typeof<CallOptions>))
 
+
   let generateSourceFiles (io: IOs) (compileParams: CompileParameters) =
     task {
+
+      let check () = ()
+
       let grpcParams =
         { compileParams with
             Config = GrpcPackage.grpcConfigValues }
diff --git a/source/Tefin/Features/CompileFeature.cs b/source/Tefin/Features/CompileFeature.cs
index 6d3f105..ac149f3 100644
--- a/source/Tefin/Features/CompileFeature.cs
+++ b/source/Tefin/Features/CompileFeature.cs
@@ -19,9 +19,9 @@ public class CompileFeature(
     IOs io) {
     private static readonly Dictionary<string, CompileOutput> CompilationCache = new();
 
-    public async Task<(bool, CompileOutput)> CompileExisting(string[] csFiles) {
+    public async Task<(bool, CompileOutput)> CompileExisting(string[] codeFiles) {
         try {
-            var key = string.Join("-", csFiles);
+            var key = string.Join("-", codeFiles);
             if (CompilationCache.TryGetValue(key, out var cOutput)) {
                 return (true, cOutput);
             }
@@ -29,7 +29,7 @@ public class CompileFeature(
             GlobalHub.publish(new ClientCompileMessage(true));
             CompileParameters? cParams = new(clientName, description, serviceName, protoFiles, Array.Empty<string>(),
                 reflectionUrl, null);
-            var com = await ServiceClient.compile(io, csFiles, cParams);
+            var com = await ServiceClient.compile(io, codeFiles, cParams);
             if (com.IsOk) {
                 CompilationCache.Add(key, com.ResultValue);
                 return (true, com.ResultValue);
@@ -59,7 +59,7 @@ public class CompileFeature(
             var com = await ServiceClient.compile(Resolver.value, csFilesRet.ResultValue, cParams);
             if (com.IsOk) {
                 var key = string.Join("-", csFilesRet.ResultValue);
-                CompilationCache.Add(key, com.ResultValue);
+                CompilationCache[key] = com.ResultValue;
                 return (true, com.ResultValue);
             }
 
diff --git a/source/Tefin/ViewModels/Overlay/AddGrpcServiceOverlayViewModel.cs b/source/Tefin/ViewModels/Overlay/AddGrpcServiceOverlayViewModel.cs
index ac89841..5aa4439 100644
--- a/source/Tefin/ViewModels/Overlay/AddGrpcServiceOverlayViewModel.cs
+++ b/source/Tefin/ViewModels/Overlay/AddGrpcServiceOverlayViewModel.cs
@@ -22,11 +22,11 @@ namespace Tefin.ViewModels.Overlay;
 
 public class AddGrpcServiceOverlayViewModel : ViewModelBase, IOverlayViewModel {
     private readonly ProjectTypes.Project _project;
-    private string _address = "";
-    private string _clientName = "";
+    private string _address = string.Empty;
+    private string _clientName = string.Empty;
     private bool _isDiscoveringUsingProto;
-    private string _protoFile = "";
-    private string _protoFilesOrUrl = "";
+    private string _protoFile = string.Empty;
+    private string _protoFilesOrUrl = string.Empty;
     private string? _selectedDiscoveredService;
 
     public AddGrpcServiceOverlayViewModel(ProjectTypes.Project project) {
@@ -36,7 +36,7 @@ public AddGrpcServiceOverlayViewModel(ProjectTypes.Project project) {
         this.OkayCommand = this.CreateCommand(this.OnOkay);
         this.ReflectionUrl = "http://localhost:5000";
         this.Title = "Add a client";
-        this.Description = "";
+        this.Description = string.Empty;
     }
 
     [IsHttp]
@@ -80,7 +80,19 @@ public string ReflectionUrl {
     [Required(ErrorMessage = "Service is required")]
     public string? SelectedDiscoveredService {
         get => this._selectedDiscoveredService;
-        set => this.RaiseAndSetIfChanged(ref this._selectedDiscoveredService, value);
+        set {
+            this.RaiseAndSetIfChanged(ref this._selectedDiscoveredService, value);
+            if (!string.IsNullOrWhiteSpace(this._selectedDiscoveredService)) {
+                if (string.IsNullOrWhiteSpace(this.ClientName)) {
+                    var name = this._selectedDiscoveredService.Split(".").Last();
+                    this.ClientName = $"{name}Client";
+                }
+
+                if (string.IsNullOrWhiteSpace(this.Address)) {
+                    this.Address = "http://";
+                }
+            }
+        }
     }
 
     public string Title { get; }
@@ -149,8 +161,7 @@ private async Task OnOkay() {
         var disco = new DiscoverFeature(protoFiles, this.ReflectionUrl);
         var (ok2, _) = await disco.Discover(this.Io);
         if (ok2) {
-            var cmd = new CompileFeature(this._selectedDiscoveredService!, this._clientName, "desc", protoFiles,
-                this.ReflectionUrl, this.Io);
+            var cmd = new CompileFeature(this._selectedDiscoveredService!, this._clientName, "desc", protoFiles, this.ReflectionUrl, this.Io);
             var (ok, output) = await cmd.Run();
             if (ok) {
                 var csFiles = output.Input.Value.SourceFiles;
diff --git a/source/Tefin/ViewModels/Tabs/Grpc/DuplexStreamingReqViewModel.cs b/source/Tefin/ViewModels/Tabs/Grpc/DuplexStreamingReqViewModel.cs
index 342af3a..85da490 100644
--- a/source/Tefin/ViewModels/Tabs/Grpc/DuplexStreamingReqViewModel.cs
+++ b/source/Tefin/ViewModels/Tabs/Grpc/DuplexStreamingReqViewModel.cs
@@ -95,11 +95,13 @@ public override string GetRequestContent() {
             }
         }
 
-        return "";
+        return string.Empty;
     }
 
     public override async Task ImportRequest() => await GrpcUiUtils.ImportRequest(this.RequestEditor,
         this.ClientStreamEditor, this._listType, this.MethodInfo, this.Io);
+    public override void ImportRequestFile(string file) => GrpcUiUtils.ImportRequest(this.RequestEditor,
+      this.ClientStreamEditor, this._listType, this.MethodInfo, file, this.Io);
 
     public void SetupDuplexStream(DuplexStreamingCallResponse response) {
         this._callResponse = response;