A) Use the official Version Mapping inside ABP Studio (recommended)
B) Use the supported “switch version” script pattern but only with existing packages
param (
[string]$version = "1.4.2",
[string]$channel = "release"
)
$installdir = "$env:LOCALAPPDATA\abp-studio\"
$file = "abp-studio-$version-$channel-full.nupkg"
$url = "https://abp.io/api/abp-studio/r/download/windows/$file" # note the '/r/download/windows' path used by the official updater logs
$pkgDir = "$installdir\packages"
$outputPath = Join-Path $pkgDir $file
Write-Host "Installing to $installdir"
if (-not (Test-Path $pkgDir)) { New-Item -ItemType Directory -Path $pkgDir -Force | Out-Null }
try {
$resp = Invoke-WebRequest -Uri $url -Method Head -UseBasicParsing -ErrorAction Stop
} catch {
Write-Error "Package not found on feed: $url. Please choose another Studio version present on the feed."
exit 1
}
if (-not (Test-Path $outputPath)) {
Write-Host "Downloading $url to $outputPath"
Invoke-WebRequest -Uri $url -OutFile $outputPath -UseBasicParsing
} else {
Write-Host "File already present: $outputPath"
}
$updateExe = Join-Path $installdir "Update.exe"
Write-Host "Applying package..."
& $updateExe apply --package $outputPath
Write-Host "Done."
C) Use ABP Studio CLI aligned to 9.3.6
Notes
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ABP Studio 1.4.2 is the correct Studio version to generate solutions with ABP 9.3.6 (per the official mapping).
The 404 happens because the package name you’re trying to download is wrong. Studio 1.4.2 is a stable release, not beta. Use the stable “release” channel package name:
Quick fix for the script:
param (
[string]$version = "1.4.2",
[string]$channel = "release"
)
$installdir = "$env:LOCALAPPDATA\abp-studio\"
Write-Host "Installing to $installdir"
$file = "abp-studio-$version-$channel-full.nupkg"
$url = "https://abp.io/api/abp-studio/download/r/windows/$file"
$outputPath = "$installdir\packages\$file"
if (-not (Test-Path $installdir)) { New-Item -ItemType Directory -Path $installdir -Force | Out-Null }
if (-not (Test-Path "$installdir\packages")) { New-Item -ItemType Directory -Path "$installdir\packages" -Force | Out-Null }
if (Test-Path $outputPath) {
Write-Host "File $file already exists. Skipping download."
} else {
Write-Host "Downloading $url to $outputPath"
Invoke-WebRequest -Uri $url -OutFile $outputPath
}
$updateExe = "$installdir\Update.exe"
Write-Host "Running $updateExe apply --package $outputPath"
& $updateExe apply --package $outputPath
Write-Host "ABP Studio version $version ($channel) installed successfully."
After installation:
Alternative (without Studio UI): You can also use ABP Studio CLI of that version to create the project in a CI/terminal environment. Ensure the Studio CLI version aligns with 1.4.2 (bundled with Studio), then run abp new with your template options. However, using the Studio UI 1.4.2 is simpler since it already binds to 9.3.6.
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context.Menu.AddItem(
new ApplicationMenuItem(
"MyHome",
"Home",
url: "/",
icon: "fa fa-home",
order: 0
)
);
- If you customize the built-in Home item, ensure its Url is “/” (not null/empty).
var url = string.IsNullOrWhiteSpace(MenuItem.MenuItem.Url)
? "/"
: MenuItem.MenuItem.Url.TrimStart('/', '~');
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Verify and fix with the checklist below.
A) Ensure dynamic JS proxy is enabled
Configure<AbpAspNetCoreMvcOptions>(options =>
{
options.ConventionalControllers.Create(typeof(KSVRApplicationModule).Assembly);
});
Configure<AbpAspNetCoreMvcClientProxyOptions>(options =>
{
// default is dynamic proxies ON; ensure not disabled globally
// options.DisableAbpDynamicProxyScript = false; // only if you had set it true somewhere
});
B) Load the dynamic proxy script on the page
<script src="~/Abp/ApplicationConfigurationScript"></script>
<script src="~/Abp/ServiceProxyScript"></script>
<script src="~/libs/jquery/jquery.js"></script>
<script src="~/libs/bootstrap/js/bootstrap.bundle.min.js"></script>
<!-- ... other abp libs -->
<script src="~/Pages/BangGiaVeNgays/index.js"></script>
C) Confirm correct Root Namespace in JS
var bangGiaVeNgayService = window.webCMS.KSVR.services.bangGiaVeNgays.bangGiaVeNgays;
This will only work if:
D) Ensure your AppService is exposed to HTTP (so proxy can be generated)
[RemoteService(true)]
public class BangGiaVeNgayAppService : ApplicationService, IBangGiaVeNgayAppService
{
// ...
}
E) If it’s a tiered setup (Auth Server separated)
"RemoteServices": {
"Default": {
"BaseUrl": "https://localhost:443xx" // your HttpApi.Host
}
}
"RemoteServices": {
"Default": {
"BaseUrl": "https://localhost:443xx"
},
"KSVR": {
"BaseUrl": "https://localhost:443xx"
}
}
F) Confirm the final JS object path
G) Common pitfalls to fix
Once the above are corrected, the line like below should work without error:
var l = abp.localization.getResource('KSVR');
var bangGiaVeNgayService = window.WebCMS.KSVR.services.bangGiaVeNgays.bangGiaVeNgays;
bangGiaVeNgayService.getList({ filter: '...' }).then(res => {
// ...
});
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Root cause
Recommended fix (create tables for every EF Core module DbContext used during tests)
Example (extend your existing CreateDatabaseAndGetConnection and service configuration):
using Microsoft.Data.Sqlite;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Storage;
using Microsoft.Extensions.DependencyInjection;
using Volo.Abp.EntityFrameworkCore;
using Volo.Abp.Modularity;
using Volo.Abp.LanguageManagement.EntityFrameworkCore;
[DependsOn(
typeof(AdministrationServiceEntityFrameworkCoreModule),
typeof(AbpEntityFrameworkCoreSqliteModule),
typeof(AbpLanguageManagementEntityFrameworkCoreModule) // add this
)]
public class AdministrationServiceEntityFrameworkCoreTestModule : AbpModule
{
public override void ConfigureServices(ServiceConfigurationContext context)
{
var sqliteConnection = CreateDatabaseAndGetConnection();
Configure<AbpDbContextOptions>(options =>
{
options.Configure<AdministrationServiceDbContext>(c =>
{
c.DbContextOptions.UseSqlite(sqliteConnection);
});
options.Configure<BlobStoringDbContext>(c =>
{
c.DbContextOptions.UseSqlite(sqliteConnection);
});
// configure LanguageManagementDbContext to use the same connection
options.Configure<LanguageManagementDbContext>(c =>
{
c.DbContextOptions.UseSqlite(sqliteConnection);
});
});
}
private static SqliteConnection CreateDatabaseAndGetConnection()
{
var connection = new SqliteConnection("Data Source=:memory:");
connection.Open();
// AdministrationService
new AdministrationServiceDbContext(
new DbContextOptionsBuilder<AdministrationServiceDbContext>().UseSqlite(connection).Options
).GetService<IRelationalDatabaseCreator>().CreateTables();
// BlobStoring
new BlobStoringDbContext(
new DbContextOptionsBuilder<BlobStoringDbContext>().UseSqlite(connection).Options
).GetService<IRelationalDatabaseCreator>().CreateTables();
// LanguageManagement: creates AbpLanguages, AbpLanguageTexts, etc.
new LanguageManagementDbContext(
new DbContextOptionsBuilder<LanguageManagementDbContext>().UseSqlite(connection).Options
).GetService<IRelationalDatabaseCreator>().CreateTables();
return connection;
}
}
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A) Confirm tenant resolution and middleware order
app.UseRouting();
app.UseCors();
app.UseAuthentication();
app.UseMultiTenancy();
app.UseAuthorization();
app.Use(async (ctx, next) =>
{
var currentTenant = ctx.RequestServices.GetRequiredService<ICurrentTenant>();
var logger = ctx.RequestServices.GetRequiredService<ILogger<YourModule>>();
logger.LogInformation("CurrentTenant: Id={Id}, Name={Name}", currentTenant.Id, currentTenant.Name);
await next();
});
If you consistently see Id = null for authenticated tenant requests, tenant resolution is failing.
B) Validate tenant resolvers (domain/header/claim)
C) Prove the connection string resolver actually returns the tenant DB
public class ConnDebugAppService : ApplicationService
{
private readonly IConnectionStringResolver _resolver;
public ConnDebugAppService(IConnectionStringResolver resolver) => _resolver = resolver;
public async Task<string> GetDefaultConnAsync()
{
return await _resolver.ResolveAsync(ConnectionStrings.DefaultConnectionStringName);
}
}
D) Ensure DbContexts are not pinning the Host connection
Configure<AbpDbContextOptions>(options =>
{
options.Configure<MyMainDbContext>(opt => opt.UseSqlServer());
options.Configure<MyTenantDbContext>(opt => opt.UseSqlServer());
// or UseMySQL/UseNpgsql per context if you have multiple DBMS
});
E) Entities, repositories, and background processes
using (CurrentTenant.Change(tenantId))
{
// repositories/services here
}
F) SaaS connection strings and ABP 9+/10+ validation
[Dependency(ReplaceServices = true)]
public class EncryptedConnectionStringChecker
: SqlServerConnectionStringChecker, IConnectionStringChecker, ITransientDependency
{
private readonly IStringEncryptionService _enc;
public EncryptedConnectionStringChecker(IStringEncryptionService enc) => _enc = enc;
public override async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
{
var plain = _enc.Decrypt(connectionString);
return await base.CheckAsync(plain);
}
}
If the framework thinks the string is invalid, it can silently fall back to Host DB behavior afterward.
G) Turn on DB/EF logging to see which connection is used
Configure<AbpEfCoreOptions>(options =>
{
options.Configure(ctx =>
{
ctx.DbContextOptions
.EnableDetailedErrors()
.EnableSensitiveDataLogging();
});
});
H) Cross-cutting checks that commonly cause “always Host DB”
I) Quick “prove it” steps
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A. Verify tenant resolution happens before EF Core runs
app.UseRouting();
app.UseCors();
app.UseAuthentication();
app.UseMultiTenancy();
app.UseAuthorization();
app.Use(async (ctx, next) =>
{
var currentTenant = ctx.RequestServices.GetRequiredService<ICurrentTenant>();
var logger = ctx.RequestServices.GetRequiredService<ILogger<YourModule>>();
logger.LogInformation("TenantId={TenantId}, Name={TenantName}", currentTenant.Id, currentTenant.Name);
await next();
});
B. Confirm entity and repository are multi-tenant aware
public class Product : AggregateRoot<Guid>, IMultiTenant
{
public Guid? TenantId { get; set; }
public string Name { get; set; }
}
using (CurrentTenant.Change(tenantId))
{
// Use repositories/services here so they connect to the tenant DB
}
C. Validate the connection string switching mechanism
[Dependency(ReplaceServices = true)]
public class EncryptedConnectionStringChecker
: SqlServerConnectionStringChecker, IConnectionStringChecker, ITransientDependency
{
private readonly IStringEncryptionService _enc;
public EncryptedConnectionStringChecker(IStringEncryptionService enc) { _enc = enc; }
public override async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
{
var plain = _enc.Decrypt(connectionString);
return await base.CheckAsync(plain);
}
}
D. Ensure DbContext is not statically bound to Host connection
E. Unit of Work and scope boundaries
F. Produce diagnostic logs to pinpoint the problem
Configure<AbpEfCoreOptions>(options =>
{
options.Configure(context =>
{
context.DbContextOptions.UseLoggerFactory(MyLoggerFactory) // with Microsoft.Extensions.Logging console/debug provider
.EnableSensitiveDataLogging();
});
});
public class DebugService : ApplicationService
{
private readonly IConnectionStringResolver _resolver;
public DebugService(IConnectionStringResolver resolver) { _resolver = resolver; }
public async Task<string> GetConnAsync()
{
return await _resolver.ResolveAsync(ConnectionStrings.DefaultConnectionStringName);
}
}
Call it as tenant; it must return the tenant DB connection string.
G. Common misconfigurations that cause “always Host DB”
H. If you use “Separate Tenant Schema” template
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What to do
[Dependency(ReplaceServices = true)]
[ExposeServices(typeof(IConnectionStringChecker))]
public class EncryptedConnectionStringChecker
: SqlServerConnectionStringChecker, IConnectionStringChecker, ITransientDependency
{
private readonly IStringEncryptionService _encryption;
public EncryptedConnectionStringChecker(IStringEncryptionService encryption)
{
_encryption = encryption;
}
public override async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
{
var decrypted = _encryption.Decrypt(connectionString);
return await base.CheckAsync(decrypted);
}
}
Key points
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Why the PUT may be skipped
Definitive checks and fixes
Server-side note for encrypted scenarios (ABP ≥ 7.0 validates connection strings):
[Dependency(ReplaceServices = true)]
[ExposeServices(typeof(IConnectionStringChecker))]
public class EncryptedConnectionStringChecker
: SqlServerConnectionStringChecker, IConnectionStringChecker, ITransientDependency
{
private readonly IStringEncryptionService _encryption;
public EncryptedConnectionStringChecker(IStringEncryptionService encryption)
{
_encryption = encryption;
}
public override async Task<AbpConnectionStringCheckResult> CheckAsync(string connectionString)
{
var decrypted = _encryption.Decrypt(connectionString);
return await base.CheckAsync(decrypted);
}
}
Part 2 — SQL Server remote/named instance support and formats
What ABP supports
Recommended connection string formats
Behavior expectations
Actionable guidance for your case
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Code example:
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Routing;
using Volo.Abp.Auditing;
public class SelectiveGetAuditingMatcher : IAuditingMiddlewareMatcherContributor
{
public void Contribute(AuditingMiddlewareMatchingContext context)
{
var httpContext = context.HttpContext;
// Skip non-HTTP GET requests
if (!HttpMethods.IsGet(httpContext.Request.Method))
{
return;
}
// If endpoint metadata contains [DisableAuditing], skip.
var endpoint = httpContext.GetEndpoint();
if (endpoint?.Metadata?.GetMetadata<DisableAuditingAttribute>() != null)
{
return;
}
// Example 1: match by route template (controller/action)
var routeData = httpContext.GetRouteData();
var controller = routeData?.Values["controller"]?.ToString();
var action = routeData?.Values["action"]?.ToString();
// Only audit specific GET actions:
if ((controller, action) is ("Orders", "GetDetails") or ("Reports", "GetMonthly"))
{
context.Matches = true; // audit this request
return;
}
// Example 2 (optional): match by path prefix
// if (httpContext.Request.Path.StartsWithSegments("/api/my-important-read"))
// {
// context.Matches = true;
// }
}
}
Register the contributor and keep IsEnabledForGetRequests = false:
public override void ConfigureServices(ServiceConfigurationContext context)
{
Configure<AbpAuditingOptions>(options =>
{
options.IsEnabledForGetRequests = false; // keep default
options.AlwaysLogOnException = true; // still log failures
// Add our selective matcher contributor
options.Middlewares.Add(new AuditingMiddlewareConfiguration
{
Contributors =
{
new AuditingMiddlewareContributor(typeof(SelectiveGetAuditingMatcher))
}
});
});
}
Notes:
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