Remove C# 6 operators

Author: x10shun

src/ResourceManager/Websites/Commands.Websites/Cmdlets/DeploymentSlots/NewAzureWebAppSlot.cs

@@ -72,7 +72,7 @@ protected override void ProcessRecord()
                     CloneCustomHostNames = !IgnoreCustomHostNames.IsPresent,
                     CloneSourceControl = !IgnoreSourceControl.IsPresent,
                     ConfigureLoadBalancing = false,
-                    AppSettingsOverrides = AppSettingsOverrides?.Cast<DictionaryEntry>().ToDictionary(kvp => kvp.Key.ToString(), kvp => kvp.Value.ToString(), StringComparer.Ordinal)
+                    AppSettingsOverrides = AppSettingsOverrides == null ? null : AppSettingsOverrides.Cast<DictionaryEntry>().ToDictionary(kvp => kvp.Key.ToString(), kvp => kvp.Value.ToString(), StringComparer.Ordinal)
                 };
             }
 

src/ResourceManager/Websites/Commands.Websites/Cmdlets/DeploymentSlots/SetAzureWebAppSlot.cs

@@ -132,7 +132,7 @@ protected override void ProcessRecord()
                     siteConfig = WebApp.SiteConfig;
 
                     // Update web app configuration
-                    WebsitesClient.UpdateWebAppConfiguration(ResourceGroupName, location, Name, Slot, siteConfig, WebApp.SiteConfig?.AppSettings.ToDictionary(nvp => nvp.Name, nvp => nvp.Value, StringComparer.OrdinalIgnoreCase), WebApp.SiteConfig?.ConnectionStrings.ToDictionary(nvp => nvp.Name, nvp => new ConnStringValueTypePair { Type = nvp.Type, Value = nvp.ConnectionString }, StringComparer.OrdinalIgnoreCase));
+                    WebsitesClient.UpdateWebAppConfiguration(ResourceGroupName, location, Name, Slot, siteConfig, WebApp.SiteConfig == null ? null : WebApp.SiteConfig.AppSettings.ToDictionary(nvp => nvp.Name, nvp => nvp.Value, StringComparer.OrdinalIgnoreCase), WebApp.SiteConfig == null ? null : WebApp.SiteConfig.ConnectionStrings.ToDictionary(nvp => nvp.Name, nvp => new ConnStringValueTypePair { Type = nvp.Type, Value = nvp.ConnectionString }, StringComparer.OrdinalIgnoreCase));
 
                     CmdletHelpers.TryParseAppServicePlanMetadataFromResourceId(WebApp.ServerFarmId, out rg, out servicePlanName);
                     WebsitesClient.UpdateWebApp(ResourceGroupName, location, Name, Slot, servicePlanName);

src/ResourceManager/Websites/Commands.Websites/Cmdlets/WebApps/NewAzureWebApp.cs

@@ -85,7 +85,7 @@ protected override void ProcessRecord()
                     TrafficManagerProfileId = TrafficManagerProfileId,
                     TrafficManagerProfileName = TrafficManagerProfileName,
                     ConfigureLoadBalancing = !string.IsNullOrEmpty(TrafficManagerProfileId) || !string.IsNullOrEmpty(TrafficManagerProfileName),
-                    AppSettingsOverrides = AppSettingsOverrides?.Cast<DictionaryEntry>().ToDictionary(kvp => kvp.Key.ToString(), kvp => kvp.Value.ToString(), StringComparer.Ordinal)
+                    AppSettingsOverrides = AppSettingsOverrides == null ? null: AppSettingsOverrides.Cast<DictionaryEntry>().ToDictionary(kvp => kvp.Key.ToString(), kvp => kvp.Value.ToString(), StringComparer.Ordinal)
                 };
             }
 

src/ResourceManager/Websites/Commands.Websites/Cmdlets/WebApps/SetAzureWebApp.cs

@@ -146,7 +146,7 @@ protected override void ProcessRecord()
                     siteConfig = WebApp.SiteConfig;
 
                     // Update web app configuration
-                    WebsitesClient.UpdateWebAppConfiguration(ResourceGroupName, location, Name, null, siteConfig, WebApp.SiteConfig?.AppSettings.ToDictionary(nvp => nvp.Name, nvp => nvp.Value, StringComparer.OrdinalIgnoreCase), WebApp.SiteConfig?.ConnectionStrings.ToDictionary(nvp => nvp.Name, nvp => new ConnStringValueTypePair { Type = nvp.Type, Value = nvp.ConnectionString }, StringComparer.OrdinalIgnoreCase));
+                    WebsitesClient.UpdateWebAppConfiguration(ResourceGroupName, location, Name, null, siteConfig, WebApp.SiteConfig == null ? null : WebApp.SiteConfig.AppSettings.ToDictionary(nvp => nvp.Name, nvp => nvp.Value, StringComparer.OrdinalIgnoreCase), WebApp.SiteConfig == null ? null : WebApp.SiteConfig.ConnectionStrings.ToDictionary(nvp => nvp.Name, nvp => new ConnStringValueTypePair { Type = nvp.Type, Value = nvp.ConnectionString }, StringComparer.OrdinalIgnoreCase));
 
                     CmdletHelpers.TryParseAppServicePlanMetadataFromResourceId(WebApp.ServerFarmId, out rg, out servicePlanName);
                     WebsitesClient.UpdateWebApp(ResourceGroupName, location, Name, null, servicePlanName);

src/ResourceManager/Websites/Commands.Websites/Utilities/CmdletHelpers.cs

@@ -38,13 +38,13 @@ public static class CmdletHelpers
 
         public static Dictionary<string, string> ConvertToStringDictionary(this Hashtable hashtable)
         {
-            return hashtable?.Cast<DictionaryEntry>()
+            return hashtable == null ? null : hashtable.Cast<DictionaryEntry>()
                 .ToDictionary(kvp => kvp.Key.ToString(), kvp => kvp.Value.ToString(), StringComparer.Ordinal);
         }
 
         public static Dictionary<string, ConnStringValueTypePair> ConvertToConnectionStringDictionary(this Hashtable hashtable)
         {
-            return hashtable?.Cast<DictionaryEntry>()
+            return hashtable == null ? null : hashtable.Cast<DictionaryEntry>()
                 .ToDictionary(
                 kvp => kvp.Key.ToString(), kvp =>
                 {

src/ResourceManager/Websites/Commands.Websites/Utilities/WebsitesClient.cs

@@ -251,9 +251,9 @@ public string ResetWebAppPublishingCredentials(string resourceGroupName, string
 
             var publishingXml = (CmdletHelpers.ShouldUseDeploymentSlot(webSiteName, slotName, out qualifiedSiteName) ? WrappedWebsitesClient.Sites.ListSitePublishingProfileXmlSlot(resourceGroupName, webSiteName, options, slotName) : WrappedWebsitesClient.Sites.ListSitePublishingProfileXml(resourceGroupName, webSiteName, options));
             var doc = XDocument.Load(publishingXml, LoadOptions.None);
-            var profile = doc.Root?.Element("publishData")?.Elements("publishProfile")
+            var profile = doc.Root == null ? null : doc.Root.Element("publishData") == null ? null : doc.Root.Element("publishData").Elements("publishProfile")
                 .Single(p => p.Attribute("publishMethod").Value == "MSDeploy");
-            return profile?.Attribute("userPWD").Value;
+            return profile == null ? null: profile.Attribute("userPWD").Value;
         }
 
         public IList<ResourceMetric> GetWebAppUsageMetrics(string resourceGroupName, string webSiteName, string slotName, IReadOnlyList<string> metricNames,