Merge pull request #1227 from johnhenley/issues/null-createdate-1226

FIX: Replace null CreatedOnDate with minimum SQL date when creating Forum User in activeforums_UserProfiles

Author: WillStrohl

Dnn.CommunityForums/Controllers/ForumUserController.cs

@@ -96,6 +96,10 @@ public DotNetNuke.Modules.ActiveForums.Entities.ForumUserInfo GetByUserId(int po
                         if (user.UserInfo != null)
                         {
                             user.DateCreated = user.UserInfo.CreatedOnDate;
+                            if (user.DateCreated < System.Data.SqlTypes.SqlDateTime.MinValue.Value)
+                            {
+                                user.DateCreated = System.Data.SqlTypes.SqlDateTime.MinValue.Value;
+                            }
                             this.Insert(user);
                         }
                     }

Dnn.CommunityForums/Entities/ForumUserInfo.cs

@@ -78,7 +78,7 @@ public ForumUserInfo(int moduleId)
 
         public string UserCaption { get; set; }
 
-        public DateTime DateCreated { get; set; } = DateTime.UtcNow;
+        public DateTime? DateCreated { get; set; } = DateTime.UtcNow;
 
         public DateTime? DateUpdated { get; set; }
 
@@ -509,7 +509,7 @@ public string GetProperty(string propertyName, string format, System.Globalizati
                 case "displayname":
                     return PropertyAccess.FormatString(DotNetNuke.Modules.ActiveForums.Controllers.ForumUserController.GetDisplayName(this.PortalSettings, this.MainSettings, isMod: new DotNetNuke.Modules.ActiveForums.Controllers.ForumUserController(this.ModuleId).GetByUserId(portalId: accessingUser.PortalID, userId: accessingUser.UserID).GetIsMod(this.ModuleId), isAdmin: new DotNetNuke.Modules.ActiveForums.Controllers.ForumUserController(this.ModuleId).GetByUserId(portalId: accessingUser.PortalID, userId: accessingUser.UserID).IsAdmin, this.UserId, this.Username, this.FirstName, this.LastName, this.DisplayName), format);
                 case "datecreated":
-                    return Utilities.GetUserFormattedDateTime((DateTime?)this.DateCreated, formatProvider, accessingUser.Profile.PreferredTimeZone.GetUtcOffset(DateTime.UtcNow));
+                    return Utilities.GetUserFormattedDateTime(this.DateCreated, formatProvider, accessingUser.Profile.PreferredTimeZone.GetUtcOffset(DateTime.UtcNow));
                 case "dateupdated":
                     return Utilities.GetUserFormattedDateTime(this.DateUpdated, formatProvider, accessingUser.Profile.PreferredTimeZone.GetUtcOffset(DateTime.UtcNow));
                 case "datelastpost":