Using ToUpperInvariant

modules/identity/src/Volo.Abp.Identity.EntityFrameworkCore/Volo/Abp/Identity/EntityFrameworkCore/EfCoreIdentityUserRepository.cs

@@ -174,7 +174,7 @@ public class EfCoreIdentityUserRepository : EfCoreRepository<IIdentityDbContext,
         DateTime? minModifitionTime = null,
         CancellationToken cancellationToken = default)
     {
-        var upperFilter = filter?.ToUpper();
+        var upperFilter = filter?.ToUpperInvariant();
         return await (await GetDbSetAsync())
             .IncludeDetails(includeDetails)
             .WhereIf(
@@ -256,7 +256,7 @@ public class EfCoreIdentityUserRepository : EfCoreRepository<IIdentityDbContext,
         DateTime? minModifitionTime = null,
         CancellationToken cancellationToken = default)
     {
-        var upperFilter = filter?.ToUpper();
+        var upperFilter = filter?.ToUpperInvariant();
         return await (await GetDbSetAsync())
             .WhereIf(
                 !filter.IsNullOrWhiteSpace(),

modules/identity/src/Volo.Abp.Identity.MongoDB/Volo/Abp/Identity/MongoDB/MongoIdentityUserRepository.cs

@@ -155,12 +155,13 @@ public class MongoIdentityUserRepository : MongoDbRepository<IAbpIdentityMongoDb
         DateTime? minModifitionTime = null,
         CancellationToken cancellationToken = default)
     {
+        var upperFilter = filter?.ToUpperInvariant();
         return await (await GetMongoQueryableAsync(cancellationToken))
             .WhereIf<IdentityUser, IMongoQueryable<IdentityUser>>(
                 !filter.IsNullOrWhiteSpace(),
                 u =>
-                    u.UserName.Contains(filter) ||
-                    u.Email.Contains(filter) ||
+                    u.NormalizedUserName.Contains(upperFilter) ||
+                    u.NormalizedEmail.Contains(upperFilter) ||
                     (u.Name != null && u.Name.Contains(filter)) ||
                     (u.Surname != null && u.Surname.Contains(filter)) ||
                     (u.PhoneNumber != null && u.PhoneNumber.Contains(filter))
@@ -240,12 +241,13 @@ public class MongoIdentityUserRepository : MongoDbRepository<IAbpIdentityMongoDb
         DateTime? minModifitionTime = null,
         CancellationToken cancellationToken = default)
     {
+        var upperFilter = filter?.ToUpperInvariant();
         return await (await GetMongoQueryableAsync(cancellationToken))
             .WhereIf<IdentityUser, IMongoQueryable<IdentityUser>>(
                 !filter.IsNullOrWhiteSpace(),
                 u =>
-                    u.UserName.Contains(filter) ||
-                    u.Email.Contains(filter) ||
+                    u.NormalizedUserName.Contains(upperFilter) ||
+                    u.NormalizedEmail.Contains(upperFilter) ||
                     (u.Name != null && u.Name.Contains(filter)) ||
                     (u.Surname != null && u.Surname.Contains(filter)) ||
                     (u.PhoneNumber != null && u.PhoneNumber.Contains(filter))