am new to entity frame work and having a hell of time building a stored procedure that insertsa value into a table using a Scalar stored procedure and returning the new ID which is a Unique Identifier. I am trying
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I am new to entity framework , it is really very good , but I want to know what is the difference between using entity framework with stored procedure or without stored procedure , which one the faster and what is the benefits for using stored procedures with entity framework.
View 1 RepliesI am mapping a stored procedure to an entity by right clicking on the entity (in the .edmx) and selecting "Stored Procedure Mapping." This brings you to a Mapping Details - "Name of Entity" Window that allows you to select the insert, update, and delete stored procedures associated with the Entity. It also maps the stored procedure parameter to the Entity "Property" (Column).
I'm gettin an error "error 2042: Parameter Mapping specified is not valid." The cause of the error is fairly obvious, in the Insert stored procedure that has been selected, a 'CHAR' parameter is being mapped to an Int32 Entity Property. I altered the stored procedure parameter to match the entity, I deleted the stored procedure, readded, and reslected it as the Insert function. I also cleaned, validated, updated model from database. No matter what I do, the parameter list in the mapping details doesn't reflect the change to the stored procedure. It's stuck on a char --> int32 mapping, even though it has been changed, like it's buried deep in meta data some where.
I have a aspx page that only has a button and a button click event.
My code behind looks like this
[Code]....
This code works fine if I have no insert stored procedure mapped to Table UBOtest in the EntityDataModel.However, when I map the stored procedure to the EntityDataModel and add UBOtestinsert I get an error that reads "An error occured while updating the entries. See the inner exception for details.">/P>
Then the innerException message is "Invalid object name 'UBOtest'
Here is the stored procedure [Code]....
I will enclose to screen snapshots...the first my mapping screen. the second is when I right click stored procedures in the Model Browser and right click stored procedure UBOtestinsert. -- it does not show any columns....should it?
[Code]....
How can i make and call function using this stored procedure?
alter PROCEDURE [dbo].[select_value]
-- Add the parameters for the stored procedure here
@Keyword varchar(1000) output,
@ResultHead varchar(1000) output,
@Year int
[Code] ....
i joined together more than one entity: Customer, Personel etc. i used inner join structures. if i look adonet entity framework ,5 entities are generated. i need to run this SP in C# side:
[Code]....
LOOK BELOW PİC : you can understand it :
MY C# codes: [Code]....
How can i get all joined data from sql with using randevu.GetRandevular(customerID
I have a stored procedure that generates a float value. I've added the stored procedure to my edmx file and created a function import, but the function isn't showing up in the object browser or via intellisense.
I'm using Visual Studio 2010 and I've verified that the stored procedure works in SSMS. Here is the current stored proc I'm using:
[Code]....
How do I use a stored procedure to change one or more (but not all) fields of a entity in EF4? I have a stored procedure "ChangePassword" taking a username and and a password as parameters and a User entity containing properties for Username and Password as well as other properties. I want to be able to use this stored procedure from a function to update the password from a function in one of my repositories. How to do this?
View 4 RepliesI have a stored procedure that search a view using full text.
I'm trying to map the results to an existing Entity (Sales), where I mapped the column MivType to SaleType (as it makes more sense, and I want to keep db names away from my web site). The stored procedure is mapped to a Function Import, and I've defined its ReturnType to Sales.
This work well as long as the entity has the same property names as fields names.
Here's my problem: when I change the property's name, I get the following error after running the imported function:
The data reader is incompatible with the specified 'Model.Sale'. A member of the type, 'SaleType', does not have a corresponding column in the data reader with the same name.
I can fix this if I change the property 'SaleType' to 'MivType' on the entity, but why should I do that? Isn't that what the mapping is for?
This means I have to use the exact same names on the stored procedure and the entity, so in effect, the mapping is ignored (I have names like YzrName, MivYaad, etc, and I don't like it).
Is there a simple way around this? I don't want to use the db names on my application, and prefer not to change the stored procedure...
I have one stored procedure, now i want to call it in my entity framework page. How can i do it.
ALTER PROCEDURE [dbo].[select_bool]
-- Add the parameters for the stored procedure here
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for procedure here
SELECT 1,NEWID() as mynew
END
I have a stored procedure that receives 2 parameters and returns 3 columns.
Here is how I added the SP:
1. Added SP to entity model (.edmx) via update model from DB.
2. Did a Function Import -- selected my SP, clicked "Get Column Information" and then created a new complex type (myStoredProcedureName_Result) which I assigned.
3. My LINQ is the following:
[Code]....
I wrote a defining query
<EntitySet Name="EntityFramework" EntityType="SEOAnalysisModel.Store.EntityFramework">
<DefiningQuery>
SELECT Keyword, ResultHead ,Year from SeoAnalysis where Year = 2005
[Code].....
And this column value is repetative.
Now how can i get all column value?
i want to know how to call stored procedure in entity framework. how to do code with controller class and with model.
i mean if i want to call insert,update,select,delete stored procedure for entity framework then what are stps i have to follow.
I have a stored procedure in SQl and i am calling through Entity framework through import functions. Stored procedure is returns columns from 2 different tables.. now what should be return type at Entity framwork end ?
View 1 RepliesIm using Entity framework with POCO entity generator template + SQL Server. I have mapping to stored procedure that takes two floats as input.
After executing function from code with two doubles as parameters: 1.23 and 4.56, SQL Profiler shows:
exec storedProcedureName @arg1 = 1,23, @arg2= 4,56
This is causing an error because it looks like that stored procedure takes 4 arguments, but it should take only two and there should be dots insted of commas in these floats.
[code]....
I created two stored procedures in SQL Server Management Studio.
First procedure add field in ProjcetsToUsers table (for many-to-many associations)
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I can delete the user from the project and then add another, and the new one is added but removed the remains.
As for data base both this function work correctly.
I have the following sp that uses a scalar function to get the cost of a product
The procedure calculates profit of each bill,and using two tables
1 - Estimate Header
2- Estimate details
For each estimate invoice sp will compare items profit by comparing items rate with the rate it is purchased.I use a Scalar sql Function to get the Purchase Cost of each item in an invoice.This fuction cause the slow execution
Can this scalar function be replace with something else to get this sp execute faster....now it taking around 25 seconds there is only 1100 invoice in the database.
select BillNumber,sdate [Date],case when t1.Customer = 0 then 'Account Payable' else t2.AccountName end Customer ,case when t1.CashOrCredit = 0 then 'Cash' else 'Credit' end CashOrCredit,(select Sum(gross) from EstimateDetails where billNumber = t1.BillNumber)Gross,t1.netDisc,(select sum(TaxAmt) from EstimateDetails where billNumber = t1.BillNumber)Tax,t1.Ces, Amount,t1.roundOff,Paid Payment,
I am having issues with the stored procedure returning an ObjectResult and then how do I return this is a list of type List.
View 2 RepliesI want to execute a method on VB.Net to return a date which is in the stored procedure. I tried using ExecuteScalar but it doesnt work it retruns error
'Implicit conversion from data type datetime to int is not allowed. Use the CONVERT function to run this query'
below is the code
Public Function GetHolidaydate(ByVal struserID as String) As DateTime
Dim objArgs1 As New clsSQLStoredProcedureParams
objArgs1.Add("@userID", Me.Tag)
objArgs1.Add("@Date", 0, 0, ParameterDirection.Output)
Return (CDate(ExecuteScalar(clsLibrary.MyStoredProcedure.GetHolidayDate, objArgs1)))
End Function
I call this stored procedure with a dataset. It always returns a 0 but should return a 1 or 2. Does anybody know why it isn't returning a 1 or 2.
ALTER PROCEDURE dbo.sp_InsertLinkVote
@LinkId int,
@LinkVoter nvarchar(50),
@LinkVotesDateTime datetime,
@LinkVotesGoodBad bit
AS
/* SET NOCOUNT ON */
If EXISTS
(SELECT
*
FROM
LinkVotes
WHERE
LinkId=@LinkId
and
LinkVoter = @LinkVoter )RETURN
1
ELSE
INSERT INTO
dbo.LinkVotes (LinkId,LinkVoter,LinkVotesDateTime,LinkVotesGoodBad)VALUES
(@LinkId,@LinkVoter,@LinkVotesDateTime,@LinkVotesGoodBad)RETURN
2
Here is were a call it in my code behind.
Dim VoteCheck
As
Integer
Dim InsertVote
As
New DataSetStoredProceduresTableAdapters.QueriesTableAdapter
VoteCheck = InsertVote.sp_InsertLinkVote(LinkId, User.Identity.Name, DateAndTime. Now,
True)
'0 is a good vote.
If VoteCheck = 0
Then
It seems to insert and not insert correctly, I just cannot get it to return the correct value.
I am developing a page in ASP.Net where I have the user enter a letter into a textbox. They then click a submit button and I all of the userids that start with that letter are to be displayed. So I need the SP to go through the database and match first letters with what was entered. Here is what I have as my code for the SP:
CREATE PROCEDURE dbo.exp2 @testchar Char(1)
declare @flag as char(2)
set @flag = @testchar + '%'
select userid
from ex_database
where userid like @flag
I have simple stored procedure to check if there is any email address in the database entered by user or not. My SP should return 1 when user enters a correct email. However, it is returning 0 or -1.
View 3 RepliesI am having problem in returning a status message (success or failure) from my sql server sp here is the code:
[Code]....
"Status" is an output parameter which is supposedly getting the message from sp and we are not able to get its value since
"dbCommand1.Parameters["@status"].Value" returns NULL everytime!
SP is available on request.
Is it possible to have a stored procedure return multiple ref cursors to a .Net application? I tried this, but it didn't work.
<code>
While odr.Read()
dtUserData.Load(odr, LoadOption.OverwriteChanges)
End While
odr.NextResult()
While odr.Read()
dtUserRoles.Load(odr, LoadOption.OverwriteChanges)
End While
</code>
I been trying to get a simple stored procedure called and get its returned value back to a parm. In this case I am trying the simplest one I can make to get it to work and the I can build form there. I have tried to do this about 100 times and I try try and say heck with it and do it with out using a stored procedure and move on but I would really like to figure this out. I created a stored procedure called ReqLineItemTotal. It looks like this
USE [OnBillPROD]
GO
/****** Object: StoredProcedure [dbo].[ReqLineItemTotal]
Script Date: 11/09/2010 14:08:39 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- Author: Bill Blair
-- Create date: 11-9-2010
-- Description: ReqLineItemTotal
-- ALTER PROCEDURE [dbo].[ReqLineItemTotal]
-- Add the parameters for the stored procedure here
@SessionIDNo nvarchar(50) = 0
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
-- Insert statements for procedure here select
(select SUM(dbo.TempReqDetail.Amount)
from dbo.TempReqDetail,dbo.tblReqAmountTypes
where dbo.tblReqAmountTypes.AmountType = dbo.TempReqDetail.AmountType and
dbo.tblReqAmountTypes.NumericOpperator = '+' and
dbo.TempReqDetail.SessionID = @SessionIDNo) -
(select SUM(dbo.TempReqDetail.Amount)
from dbo.TempReqDetail,dbo.tblReqAmountTypes
where dbo.tblReqAmountTypes.AmountType = dbo.TempReqDetail.AmountType and
dbo.tblReqAmountTypes.NumericOpperator = '-' and
dbo.TempReqDetail.SessionID = @SessionIDNo) AS LineItemTotal
END
From what I understand I should be getting my total back as LineItemTotal. So I want to call it pass it my parm of @SessionIDNo and have its returned value set to my @LineItemTotal parm. Trying to use these stored proc's always seems like way more work than they are worth but perhaps if I ever get the hang of it would make since to me.
