C# “如何使用”;选择";实体框架中存储过程的结果
我有一个存储过程,如下所示:C# “如何使用”;选择";实体框架中存储过程的结果,c#,entity-framework,stored-procedures,C#,Entity Framework,Stored Procedures,我有一个存储过程,如下所示: ALTER PROCEDURE [dbo].[Save_Customer](@PK int , @Name nvarchar(30) , @Address nvarchar(100) , @CustomerGrp_FK int) AS SET NOCOUNT ON; SET TRANSACTION ISOLATION LEVEL SERIALIZABLE; BEGIN TRAN BEGIN TRY IF (@PK = -1) BEGIN
ALTER PROCEDURE [dbo].[Save_Customer](@PK int , @Name nvarchar(30) , @Address nvarchar(100) , @CustomerGrp_FK int)
AS
SET NOCOUNT ON;
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
BEGIN TRAN
BEGIN TRY
IF (@PK = -1)
BEGIN
INSERT INTO dbo.[Customer]
SELECT @Name , @Address , @CustomerGrp_FK
SELECT SCOPE_IDENTITY () as IdentityPK
END
ELSE
BEGIN
UPDATE Customer
SET Name = @Name ,Address = @Address ,CustomerGrp_FK = @CustomerGrp_FK
WHERE PK= @PK
END
要使用选择SCOPE_IDENTITY()作为IdentityPK
,我创建了以下类:
public class Save_Customer_MyResult
{
public int Identity { get; set; }
}
然后在EntityContext类中插入以下代码:
public DbSet<Save_Customer_MyResult> Save_CustomerDB { get; set; }
public virtual Save_Customer_MyResult Save_Customer1(Nullable<int> pK, string name, string address, Nullable<int> customerGrp_FK)
{
return this.Database.SqlQuery<Save_Customer_MyResult>("Save_Customer @PK, @Name, @Address, @CustomerGrp_FK", new System.Data.SqlClient.SqlParameter("PK", pK)
, new System.Data.SqlClient.SqlParameter("Name", name)
, new System.Data.SqlClient.SqlParameter("Address", address)
, new System.Data.SqlClient.SqlParameter("CustomerGrp_FK", customerGrp_FK)).First<Save_Customer_MyResult>();
}
1-根据。我刚做了一个新的复杂类型
2-实体的存储过程映射
3-然后:
IEnumerable<Customer.Save_Customer_Result > s= customercontext.Save_Customer(-1, txt_Name.Text, txt_Address.Text,Int32 .Parse( cmb_GroupName.SelectedValue.ToString()));
MessageBox.Show(s.First<Customer.Save_Customer_Result>().IdentityPK .ToString());
IEnumerable s=customercontext.Save_Customer(-1,txt_Name.Text,txt_Address.Text,Int32.Parse(cmb_GroupName.SelectedValue.ToString());
Show(s.First().IdentityPK.ToString());
IEnumerable<Customer.Save_Customer_Result > s= customercontext.Save_Customer(-1, txt_Name.Text, txt_Address.Text,Int32 .Parse( cmb_GroupName.SelectedValue.ToString()));
MessageBox.Show(s.First<Customer.Save_Customer_Result>().IdentityPK .ToString());