{WebApp} fix the not recognized as a valid DateTime error (#17260)

* {WebApp} fix the not recognized as a valid DateTime error

This conversion to localtime should fix the conversion issue due to localization format

* Fix for the DateTime.Parse(s.Time) to address the localization issue

Fix for the DateTime.Parse(s.Time) to address the localization issue and avoid the error String was not recognized as a valid DateTime

* Update ChangeLog.md

* Update ChangeLog.md

Co-authored-by: Beisi Zhou <[email protected]>

Author: navba-MSFT

src/Websites/Websites/ChangeLog.md

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* Fixed DateTime conversion issue caused by culture 
 
 ## Version 2.10.0
 * Updated `New-AzAppServicePlan`  to create an app service plan with host environment id #16094

src/Websites/Websites/Cmdlets/BackupRestore/GetAzureWebAppSnapshot.cs

@@ -15,6 +15,7 @@
 using System;
 using System.Linq;
 using System.Management.Automation;
+using System.Globalization;
 
 namespace Microsoft.Azure.Commands.WebApps.Cmdlets.BackupRestore
 {
@@ -34,7 +35,7 @@ public override void ExecuteCmdlet()
                     ResourceGroupName = this.ResourceGroupName,
                     Name = this.Name,
                     Slot = string.IsNullOrEmpty(this.Slot) ? "Production" : this.Slot,
-                    SnapshotTime = DateTime.Parse(s.Time)
+                    SnapshotTime = DateTime.Parse(s.Time, CultureInfo.InvariantCulture)
                 };
             }).OrderByDescending(s => s.SnapshotTime).ToArray();
             WriteObject(list, true);