![](/img/trans.png)
[英]EF 6 Code First From Database - Calling existing stored procedure
[英]Calling Stored Procedure from EF 6.0 Code First doesn't insert records
我是EF的新手,正在玩這個游戲。 嘗試從存儲庫調用在數據庫中創建的存儲過程時,我陷入了困境。 我運行SQL Server Profiler,存儲過程沒有執行。 有人能指出我正確的方向嗎?
我使用VS 2012和SQL Server 2008 R2。 我將存儲庫模式與工作單元一起使用,並在服務層的Uow
上調用Commit
(不確定是否遵循這種方法就必須調用commit,因為文檔說數據庫永遠不會跟蹤此查詢的結果)上下文)。
任何幫助將非常感激
到目前為止我做過的事情1.在存儲的過程名稱前面嘗試和不使用Exec關鍵字
我的存儲庫代碼:
public class CarRentalUserRepository : RepositoryBase<CarRentalUser>
{
public override void Add(CarRentalUser user)
{
using (var cxt = this.DataContext)
{
var userId = new SqlParameter { ParameterName = "@UserId", Value = 0, Direction = System.Data.ParameterDirection.Output };
var roleId = new SqlParameter("@RoleId", user.RoleId);
var firstName = new SqlParameter("@FirstName", user.FirstName);
var lastName = new SqlParameter("@LastName", user.LastName);
var email = new SqlParameter("@EmailAddress", user.EmailAddress);
var passsword = new SqlParameter("@Password", user.Password);
var active = new SqlParameter("@IsActive", user.IsActive);
//I see for some reason,the connection state is closed.So am opening that connection here(Don't know why)
if (cxt.Database.Connection.State == System.Data.ConnectionState.Closed)
{
cxt.Database.Connection.Open();
}
var result = cxt.Database.SqlQuery<CarRentalUser>(" exec CarRental_InsertUser @UserId, @RoleId, @FirstName, @LastName, @EmailAddress, @Password, @IsActive", userId, roleId, firstName, lastName, email, passsword, active);
if (result != null)
{
}
}
}
public class RepositoryBase<T> where T : class
{
private CarRentalDbContext _dbcontext = null;
private readonly IDbSet<T> dbset;
public RepositoryBase(IDatabaseFactory databseFactory)
{
//DatabaseFactory = databseFactory;
this.DataContext = databseFactory.DbContext;
dbset = DataContext.Set<T>();
}
//protected IDatabaseFactory DatabaseFactory { get;private set; }
protected CarRentalDbContext DataContext
{
get { return _dbcontext; }
set { _dbcontext = value; }
}
public virtual void Add(T entity)
{
dbset.Add(entity);
}
public virtual void Update(T entity)
{
dbset.Attach(entity);
DataContext.Entry(entity).State = EntityState.Modified;
}
public virtual void Delete(T entity)
{
dbset.Remove(entity);
}
public virtual void Delete(Expression<Func<T, bool>> predicate)
{
IEnumerable<T> objects = dbset.Where<T>(predicate).AsEnumerable();
if (objects != null && objects.Any())
{
foreach (T obj in objects)
{
dbset.Remove(obj);
}
}
}
public virtual T GetById(long Id)
{
return dbset.Find(Id);
}
public virtual T GetById(string Id)
{
return dbset.Find(Id);
}
public virtual T Get(Expression<Func<T,bool>> predicate)
{
return dbset.Where(predicate).FirstOrDefault<T>();
}
public virtual IEnumerable<T> GetAll()
{
return dbset.ToList();
}
public virtual IEnumerable<T> GetMany(Expression<Func<T, bool>> predicate)
{
return dbset.Where(predicate).AsEnumerable<T>();
}
}
public class UnitOfWork : IUnitOfWork
{
//private readonly IDatabaseFactory databaseFactory;
private CarRentalDbContext _dbContext;
public UnitOfWork(IDatabaseFactory databaseFactory)
{
this.DataContext = databaseFactory.DbContext;
}
public void Commit()
{
if (DataContext != null)
{
DataContext.Commit();
}
}
public CarRentalDbContext DataContext
{
get { return _dbContext; }
set { _dbContext = value; }
}
}
public interface IUnitOfWork
{
void Commit();
}
public class CarRentalDbContext : DbContext
{
public CarRentalDbContext()
: base("CarRental_Connection_String")
{
var ensureDLLIsCopied = System.Data.Entity.SqlServer.SqlProviderServices.Instance;
Database.SetInitializer<CarRentalDbContext>(null);
}
public DbSet<CarRentalUser> Users { get; set; }
public virtual void Commit()
{
base.SaveChanges();
}
protected override void OnModelCreating(DbModelBuilder modelBuilder)
{
base.OnModelCreating(modelBuilder);
modelBuilder.Conventions.Remove<PluralizingTableNameConvention>();
modelBuilder.Configurations.Add(new CarRentalUserMap());
modelBuilder.Configurations.Add(new CarRentalRoleMap());
}
}
還有我的存儲過程
Create PROCEDURE dbo.CarRental_InsertUser (
@UserId INT OUTPUT
,@RoleId INT
,@FirstName VARCHAR(50)
,@LastName VARCHAR(50)
,@EmailAddress VARCHAR(25)
,@Password VARBINARY(500)
,@IsActive BIT
)
AS
BEGIN
INSERT INTO [CarRental].[dbo].[CarRentalUser]
([RoleId]
,[EmailAddress]
,[FirstName]
,[LastName]
,[Password]
,[CreatedDtm]
,[UpdateDtm]
,[IsActive])
VALUES
(
@RoleId,
@EmailAddress,
@FirstName,
@LastName,
@Password,
GETDATE(),
null,
1
)
set @UserId = SCOPE_IDENTITY();
END
我想我已經解決了這個問題,我對進行DB調用的部分進行了以下更改
var result = cxt.Database.SqlQuery<int>("CarRental_InsertUser @UserId,@RoleId,@FirstName,@LastName,@EmailAddress,@Password,@IsActive",
userId,roleId,firstName,lastName,email,passsword,active);
if (result != null)
{
retVal = result.Single();
}
由於我的存儲過程返回了一個int輸出參數,所以我注意到的一件事是,該過程僅在我調用結果之后才執行。
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.