EF调用存储过程实例

创建实体：

  public class User
 {
 public string UserID { get; set; }
 public string UserName { get; set; }
 public string Password { get; set; }
 [Description("测试")]
 public string UserGroupId { get; set; }
 public UserGroup UserGroup { get; set; }
 public List<Role> Roles { get; set; }
 }

 public class UserGroup
 {
 public string GroupID { get; set; }
 public string GroupName { get; set; }
 public List<User> Users { get; set; }
 }

 public class Role
 {
 public string RoleID { get; set; }
 public string RoleName { get; set; }
 public List<User> Users { get; set; }
 }

2.2、准备SQL数据

--新增数据

 alter PROC createData
 @rowNum INT
 AS
 DECLARE @index INT =,@id VARCHAR()=NEWID()
 INSERT dbo.UserGroups
 ( GroupID, GroupName )
 VALUES ( @id, -- GroupID - nvarchar()
 N'开发组' -- GroupName - nvarchar(max)
 )
 WHILE(@index<=@rowNum)
 BEGIN
 INSERT dbo.Users
 ( UserID ,
 UserName ,
 Password ,
 UserGroupId
 )
 VALUES ( NEWID(),
 N'张三' , -- UserName - nvarchar(max)
 N'' , -- Password - nvarchar(max)
 @id -- UserGroupId - nvarchar()
 )
 SET @index=@index+
 END

--删除数据

alter PROC DeleteData
AS
BEGIN
TRUNCATE TABLE dbo.Users
END

--修改数据

ALTER PROC ModifyData
@uid VARchar(50),
@userName varchar(50)
AS
BEGIN
UPDATE dbo.Users SET UserName=@userName WHERE UserID=@uid
END

--查找数据

ALTER PROC GetLlist
@rowNumber int
AS
BEGIN
SELECT * FROM ( SELECT ROW_NUMBER() OVER(ORDER BY UserID) AS ID,* FROM dbo.Users ) AS A WHERE A.ID<=@rowNumber
END

 

2.3C#代码调用实例

2.3.1 查询列表

 var db = new TestDbContext();
 SqlParameter[] parameter = new SqlParameter[];
 parameter[] = new SqlParameter("@rowNumber", );
 var users = db.Users.SqlQuery("exec GetLlist @rowNumber", parameter).ToList();

2.3.2  返回有参数的存储过程

 var db = new TestDbContext();
int count = db.Database.SqlQuery(typeof(int),"exec ProSelectCount").Cast<int>().FirstOrDefault();

 

2.3.3  增删查改

 

var db = new TestDbContext();
SqlParameter[] parameter = new SqlParameter[1];
parameter[0] = new SqlParameter("@rowNum", 5);
db.Database.ExecuteSqlCommand("exec CreateData @rowNum", parameter);