show loading info only after all validation

Author: Sandip124

MainWindow.cs

@@ -117,12 +117,6 @@ private void OnRestore(object sender, EventArgs e)
             try
             {
                 if (isRestoring) return;
-
-                isRestoring = true;
-                SaveUserInfo();
-
-                StartLoading("Restoring Database");
-
                 var connection = new UserConnectionVo()
                 {
                     UserName = UserNameElm.Text.Trim(),
@@ -134,6 +128,11 @@ private void OnRestore(object sender, EventArgs e)
                 }
                 .Validate();
 
+                isRestoring = true;
+                SaveUserInfo();
+
+                StartLoading("Restoring Database");
+
                 RestoreBtn.Text = "⚒ Restoring...";
                 var bgw = new BackgroundWorker();