StoredProcedureEFCore 1.0.5

dotnet add package StoredProcedureEFCore --version 1.0.5                
NuGet\Install-Package StoredProcedureEFCore -Version 1.0.5                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="StoredProcedureEFCore" Version="1.0.5" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add StoredProcedureEFCore --version 1.0.5                
#r "nuget: StoredProcedureEFCore, 1.0.5"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install StoredProcedureEFCore as a Cake Addin
#addin nuget:?package=StoredProcedureEFCore&version=1.0.5

// Install StoredProcedureEFCore as a Cake Tool
#tool nuget:?package=StoredProcedureEFCore&version=1.0.5                

Execute stored procedures with Entity Framework Core

DbContext extension with LoadStoredProc method which creates an IStoredProcBuilder to build a stored procedure with a custom mapping strategy using the provided DbDataReader extension.

The method handles :

  • Extra column in result set
  • Extra property in model
  • Null values in result set
  • Underscores in result set column names ("column_name" is mapped to ColumnName property)
  • Int (db) to enumeration (result model) mapping


List<Model> rows = null;

   .AddParam("limit", 300L)
   .AddParam("limitOut", out IOutParam<long> limitOut)
   .Exec(r => rows = r.ToList<Model>());

long limitOutValue = limitOut.Value;

   .AddParam("boolean_to_return", true)
   .ReturnValue(out IOutParam<bool> retParam)

bool b = retParam.Value;

   .AddParam("limit", 1L)
   .ExecScalar(out long l);



IStoredProcBuilder LoadStoredProc(string name)


IStoredProcBuilder AddParam<T>(string name, T val); // Input parameter
IStoredProcBuilder AddParam<T>(string name, T val, out IOutParam<T> outParam, int size, byte precision, byte scale); // Input/Ouput parameter
IStoredProcBuilder AddParam<T>(string name, out IOutParam<T> outParam, int size, byte precision, byte scale); // Ouput parameter
IStoredProcBuilder ReturnValue<T>(out IOutParam<T> retParam, int size, byte precision, byte scale);
IStoredProcBuilder SetTimeout(int timeout);
Task               ExecAsync(Func<DbDataReader, Task> action, CancellationToken cancellationToken);
Task<int>          ExecNonQueryAsync(CancellationToken cancellationToken);
Task               ExecScalarAsync<T>(Action<T> action, CancellationToken cancellationToken);


Task<List<T>>                        ToListAsync<T>();
Task<Dictionary<TKey, TValue>>       ToDictionaryAsync<TKey, TValue>(Func<TValue, TKey> keyProjection);
Task<Dictionary<TKey, List<TValue>>> ToLookupAsync<TKey, TValue>(Func<TValue, TKey> keyProjection);
Task<HashSet<T>>                     ToSetAsync<T>();
Task<List<T>>                        ColumnAsync<T>();
Task<List<T>>                        ColumnAsync<T>(string columnName);
Task<T>                              FirstAsync<T>();
Task<T>                              FirstOrDefaultAsync<T>();
Task<T>                              SingleAsync<T>();
Task<T>                              SingleOrDefaultAsync<T>();

All these methods have a corresponding async method : ToListAsync, ToDictionaryAsync, ...


Install-Package StoredProcedureEFCore

Why ?

Stored procedure execution was previously not supported in Entity Framework Core:

It is now supported since EF Core 2.1 but this library has few advantages compared to FromSql:

  • Extra property in the model won't throw an exception. The property keeps its default value
  • The interface is easier to use. Output parameters and return values seem difficult to use with EF Core
  • Mapping is 30% faster
Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

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Version Downloads Last updated
1.0.5 411,446 11/15/2020
1.0.4 81,027 6/16/2020
1.0.3 1,200 6/15/2020
1.0.2 11,184 4/10/2020
1.0.1 14,624 2/13/2020
1.0.0 7,427 1/14/2020
0.3.15 18,250 10/30/2019
0.3.14 5,407 10/22/2019
0.3.13 1,310 10/17/2019
0.3.12 1,658 8/9/2019
0.3.11 15,879 6/1/2019
0.3.10 22,210 11/15/2018
0.3.9 9,774 5/4/2018
0.3.8 2,241 4/21/2018
0.3.7 1,968 4/3/2018
0.3.6 2,032 3/16/2018
0.3.5 1,797 3/16/2018
0.3.4 2,059 3/2/2018
0.3.3 2,102 2/1/2018
0.3.2 1,939 1/19/2018
0.3.1 1,957 1/8/2018
0.3.0 1,944 1/8/2018
0.2.0 2,072 12/29/2017
0.1.1 2,055 12/28/2017
0.1.0 1,940 12/26/2017