Entity Framework: No Support For Server-generated Keys And Server-generated Values
May 23, 2008
Hello
I tried the Beta 1 of the service pack 1 to .net 3.5. If I try to add an entity (and try to save this), I get the Exception "No support for server-generated keys and server-generated values".
How can I add entities to my Sqlce- database?
I tried to give the id- column (primary key) in the database an identity, another time without identity, only primary key --> none of them worked. I always get the same error.
What do I have to change to make successfully a SaveChanges()?
Thanks for your help,
Gerald
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Jan 5, 1999
Hi,
How do I quick remove all the documentation generated in the
catalog by sp_primary and sp_foreignkey.
The documentation is misleading and does not correspond with the current primary and foreign keys. I do not wish to drop and create the
tables.
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Feb 19, 2015
Working in a project using Entity Framework (Code First)...
Until now the project has been connected to a (generated) SQL Server Compact 4.0 database,
but now we want to connect to a SQL Server (at least 2008R2 since we will use FILESTREAM...)
Our problem right now is the possibility to enter Infinity values into REAL columns in the DB...
It works in the SQL Server Compact but we have not been able to get it to work in 2008R2 or 2014
The insertion of Infinity values is constructed by the Entity Framework (from using float.PositiveInfinity in C#) automatically so I mainly wonder if it at all is possible in a "real" database. Maybe there are some configurations possible to get it to work?
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Nov 11, 2006
HI all,
if this issue has been solved, please provide me the post, or I've put this issue in a wrong category please let me know.
The following is my code:
DateTime dtBFWNow = DateTime.Today;
String dtBFW_range1 = dtBFWNow.AddDays(-7).ToShortDateString();
String dtBFW_range2 = dtBFWNow.AddDays(3).ToShortDateString();
SqlDataSource1.SelectCommand = "SELECT * FROM [MORTGAGE] WHERE ([BringForwardDate] is not null) and ([BringForwardDate]>= '" + dtBFW_range1 + "' and [BringForwardDate] <= '" + dtBFW_range2 + "')";
lblHeader.Text = "Bring Forward Reminders Due From '" + dtBFW_range1 + "' To '" + dtBFW_range2 + "'";
lblHeader.ForeColor = System.Drawing.Color.FromName("#000000");
GridView1.DataBind();
When I compiled, the following exception occurred:
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
and the exception points right at the line: GridView1.DataBind()
I use the webhost4life as my server provider. My codes run fine with the server. I mean I uploaded my program to the server, set up and run the program online, everything is fine.
But on my PC it gives me the above exception. I can't compile my code. There must be some sort of setting somewhere in my PC that can't handle the exception.
Please help.
Regards.
Joey.
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Nov 12, 2001
Hi everybody.
Job was generated from from master server to run on target server
Target server does not exist any more
I want to delete this job but geeting error
"Error 14247 can't add ,update or delete job that generated from MSX server"
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Aug 31, 2014
can i create Custom Auto-Generated Sequences with SQL Server like DD-0001,DD-0002,DD-0003...... to DD-000........
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Feb 25, 2014
There are times when I either compile a stored procedure, or right now as I am creating indexes on tables, when sp_who2 shows a SPID assigned to my name that I do not currently have opened in SSMS. When I check the statement with dbcc inputbuffer it shows a query hitting many of the system views. Earlier this week, someone tried killing one of these SPIDS and SQL Server generated a new SPID with the same type of query.
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Jul 17, 2014
Some T-SQL commands can fail with multiple errors. For example, if you try to disable a primary key constraint using ALTER TABLE t1 NOCHECK CONSTRAINT PK, you will get messages like:
Msg 11415, Level 16, State 1, Line 341
Object 'PK' cannot be disabled or enabled. This action applies only to foreign key and check constraints.
Msg 4916, Level 16, State 0, Line 341
Could not enable or disable the constraint. See previous errors.
However, in the code below, only the last message is printed. How can I print all the error messages?
USE tempdb;
CREATE TABLE #t1(c1 INT CONSTRAINT PK PRIMARY KEY);
BEGIN TRY
ALTER TABLE #t1 NOCHECK CONSTRAINT PK;
PRINT 'Primary key disabled'
END TRY
BEGIN CATCH
PRINT ERROR_MESSAGE();
END CATCH
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Feb 19, 1999
dear friends/collegs:
for the past couple of weeks, we've been seeing:
SQL Server Error:
"kernel RA_Setup_IO [Bucket: 0] [slot: 0]: Process 4 generated access violation; SQL Server is terminating this process"
we're running SQL Server 6.5 sp4. on NT 4. sp3
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Jan 18, 2008
Hi Guys,
How are you. i hope you all are having fun.
well i have an issue on one of the production box.
Version of the box: Microsoft SQL Server 2000 - 8.00.2187 (Intel X86) Mar 9 2006 11:38:51 Copyright (c) 1988-2003 Microsoft Corporation Enterprise Edition on Windows NT 5.0 (Build 2195: Service Pack 4)
As per SQL serve logs which i received couple of times.
step 1) Using 'dbghelp.dll' version '4.0.5'
*Stack Dump being sent to C:Program FilesMicrosoft SQL ServerMSSQLlogSQLDump0173.txt
2) SqlDumpExceptionHandler: Process 3920 generated fatal exception c0000005
EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process.
3) Stack Signature for the dump is 0xC578316D
when i searched in google and msdn i could not found the exact solution.
if you guys have the knowledge and also got experianced about this issue.
kindly please help me in this regards and one more thing i just want to inform you all this is our production server.
I think you would understantd how criticality is this.
I really appreciate for your feedback. thank you so much,
Raghu
for the 2nd step it is haing a very huge message.
so here i have pasted some part of the message. i think this is more then enough for you all.
SqlDumpExceptionHandler: Process 3920 generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process.
* *******************************************************************************
*
* BEGIN STACK DUMP:
* 01/17/08 15:30:57 spid 97
*
* Exception Address = 0041656B
* Exception Code = c0000005 EXCEPTION_ACCESS_VIOLATION
* Access Violation occurred writing address 00380008
* Input Buffer 124 bytes -
* EXEC MIS..law_ac_totals "G&A", 2008, 3, 100, 204, "emferrario"
*
*
* MODULE BASE END SIZE
* sqlservr 00400000 00CBEFFF 008bf000
* Invalid Address 77F80000 77FFBFFF 0007c000
* ADVAPI32 7C2D0000 7C334FFF 00065000
* KERNEL32 7C570000 7C623FFF 000b4000
* Invalid Address 77D30000 77D9EFFF 0006f000
* MSVCP71 7C3A0000 7C41AFFF 0007b000
* MSVCR71 7C340000 7C395FFF 00056000
* opends60 41060000 41065FFF 00006000
* SHELL32 7CF30000 7D175FFF 00246000
* GDI32 77F40000 77F7BFFF 0003c000
* USER32 77E10000 77E6EFFF 0005f000
* SHLWAPI 70A70000 70AD5FFF 00066000
* msvcrt 78000000 78044FFF 00045000
* COMCTL32 71710000 71793FFF 00084000
* sqlsort 42AE0000 42B6FFFF
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Mar 23, 2014
I have a datagridview bound to a table that is part of an Entity Framework model. A user can edit data in the datagridview and save the changes back to SQL. But, there is a stored procedure that can also change the data, in SQL, not in the datagridview. When I try to "refresh" the datagridview the linq query always returned the older cached data. Here's the code that I have tried using to force EF to pull retrieve new data:
// now refresh the maintenance datagridview data source
using (var context = new spdwEntities())
{
var maintData =
from o in spdwContext.MR_EquipmentCheck
where o.ProdDate == editDate
orderby o.Caster, o.Strand
select o;
mnt_DGV.DataSource = maintData;
}
When I debug, I can see that the SQL table has the updated data in it, but when this snippet of code runs, maintData has the old data in it.
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Apr 5, 2008
Hi! I tried to save some image data, but it get truncated at 8000 (the table column is defined as Image). I then wrote a converter to try ntext-datatype instead, but it gets truncated at 4000.
Error message:
System.Data.SqlServerCe: @3 : String truncation: max=4000, len=4168
The code uses only ADO entity framework for database access. Is there a way to store binary data larger than 8000 bytes? I am running SQL Compact 3.5 sp 1 BETA.
Henning
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Jun 21, 2006
Where is the sql generated by aspnet_regsql.exe saved?
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Oct 1, 2004
Hi,
How can I retrieve generated identity value after insert a row into table in case I can identify inserted row?
(the INSERT statement is dynamic constructed and queried from data access layer, not in stored procedure)
Thanks,
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Oct 3, 2004
Hi,
How can I retrieve generated identity value after insert a row into table in case I can identify inserted row?
(the INSERT statement is dynamic constructed and queried from data access layer, not in stored procedure)
Thanks,
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Feb 7, 2007
Hello,
I've a problem with auto-generated key. In my parent table, some lines have been deleted. I would like to add new lines with the same content in order to restore my database, but I cannot decide on the id value which is an auto-generated key. Is there a solution to set an auto-generated key with a specific value ?
Thank you in advance,
regards,
mathmax
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Sep 27, 2007
Suppose I want to generate a table as below
No. Col1 Col2
1 100 Alan
2 110 Alan
3 120 Alan
In Column I there is a sequence of numbers from 1 to 3 with a step of 1
In Column 2 there is a sequence of numbers from 100 to 120 with a step of 2
In Column 3 there is a name that is repeated accross the whole column
Can I generate such a table with just a single SQL Statement . I don't see any reason why it should not be possible. We know the logic to generate all the numbers of every row. It would be possible using a while loop , but that is be tedious and I am looking for a better way.
One application I can think of is, Suppose I want to find out all deleted primary key ids from a table or say if I have a set
(1,2,3, 7,8,9) , and wish to know the missing numbers in the range 1 to 9. If an sql like above is possible I could use it in a left join to get me the desired output.
Could anyone tell me if it is possible and if not , why not ?
Thanks,
Alec
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May 2, 2008
Hi,
Is there any way to look at behind-the-scene SQL query that gets generated by SSRS engine to pull the data out of the data source (particularly SQL Server).
So far, I only know that you can see the query generated by semantic query engine by changing trace option in configuration file.
Thanks and Regards,
XL
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Aug 28, 2007
Hi
I have a windows application. I am using following code right after setting the LocalReport ReportPath. Report rendering is too slow if use following line of code and Report viewer does not show spiny and the text that says €śReport is being generated.€?
Me.ReportViewer1.SetDisplayMode(DisplayMode.PrintLayout)
Me.ReportViewer1.ZoomMode = ZoomMode.Percent
Me.ReportViewer1.ZoomPercent = 80
Please advise how can make it fast and show spiny.
Thanks in advance.
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Aug 17, 2006
I have created a report and deployed it successfully to a seperate machine with SSRS on. Both my dev machine and the SSRS machine are in the same workgroup. I can then Browse to the Report Manager though IE and click & run the report (The connection is using integrated security). The report requires a single parameter to be entered which once done works successfully. The report has a single table, an inbedded image and a few static fields in the report header.
If I however add a report viewer control to an aspx test form all is not well. As soon as the page opens I am prompted to enter the parameter which is good news as it shows there has been some communication with the SSRS metabase. I then click the view report button. Using Profiler I have proved that the report Stored Proc. is running with the correct parameter value. The report viewer however seems to hang and only displays "Report is being generated" without displaying the results. It does this even with a timeout set of 1000ms.
I don't think this is a security issue as both the Report Manager works and the test form prompts me for the parameter and effectively runs the report SP. I can only assume it is a problem with returning the report to the browser.
Does anyone have any insight?
Regards
Anthony Kay
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Apr 13, 2006
Hi,
I created a PDA application with a database, which has a table with a uniqueidentifier field and primarykey.
While doing the bulk insert from dataset into sql mobile database, It is inserting the record but it is not inserting the id which was entered into the sql server 2005 database, instead the id by creating a new id and the code is as below.
conAdap = new SqlCeDataAdapter(strQuery, conSqlceConnection);
SqlCeCommandBuilder cmdBuilder = new SqlCeCommandBuilder(conAdap);
conAdap.Fill(dsData);
int r =conAdap.Update(dsData);
Please help me.
Thank you,
Prashant
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Jan 16, 2008
Hi,
I have a report which doesn't work. It has a datatset based on a store procedure. The store-procedure take 10 to 50 second to execute, depending on the parameters.
But, I can't never see my report as i wait more than 10 minutes and it's never generated.
So, I have think that maybe it could be because of the matrix inside the report, so I have try to create another report which have the same dataset but with nothing inside, just a textbox, and it doesn't work too !!
So now, i'm very disapointed and I don't know what to do !
Someone can help me please ? It's very important.
Thank you.
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Aug 2, 2006
I created a new DataSet object using the
wizard and had no probs, it's very straightforward. I created a
GetProducts() method and also added a GetProductCount() method. I
read somewhere that when the DataSet is saved, it will generate the
TableAdapter classes and store them in the project nested under the
DataSet object. This isn't happening, the files aren't there and
yes I'm displaying all files. There *is* however the TableAdapter
class but it's in not in the project, it's a temporary file w/ the
following path:
C:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET
Fileswebsitef38f8b5500014aeSources_App_Codepw_products.xsd.72cecc2a.cs.
I saved the DataSet several times, compiled the entire solution and
even closed the solution yet this temporary file isn't getting saved
where it should be. Does anyone have any ideas abt this?
I'm eager to start developing my DAL and def want to use these
TableAdapter classes.
Thx in advance,
-Pete
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Oct 24, 2006
Can someone explain the generated sprocs of VS2005 if one column can be nullableDependentOfSeqID = @Original_DependentOfSeqID OR ((@IsNull_DependentOfSeqID = 1) AND (DependentOfSeqID IS NULL))In VS2003 the generated sprocs would beDependentOfSeqID = @Original_DependentOfSeqID OR ((@Original_DependentOfSeqID IS NULL) AND (DependentOfSeqID IS NULL))Which is the best?
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Jun 21, 2001
I ran a SP that lists fragmented tables in our DB which listed almost all the tables and indexes in the DB. The list includes index names that start with "_WA_Sys_tablecolumn name_.....". Are these SQL Server generated indexes or are these statitics on the tables? What are they? If these are system generated indexes as I thought they were, how are they generated? Can these indexes be dropped or should one want to? IF so, how? Any effect on the DB performance if dropped?
Thanks for your advise.
Helen
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Aug 22, 2001
Hello,
We're trying to do the following...
Declare @Name Varchar(15)
Select @Name = 'TableName'
Select @Name = @Name + Rand(SomeSeedValue)
Select *
Into @Name
From Someothertable
This just gives us syntax errors, anyone else had any success with this ?
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Oct 18, 1999
I am using Enterprise Manager to generate a script of the stored procedures on my database. Under File|Options, I selected Windows Text(ANSI). The file which is generated contains all stored procedures, but there are some procedures which are so long that they wrap to the next line.
When I then try to run this script from ISQL in a batch file, those procedures which wrap error out. Is there any way to generate the script in a more formatted manor, avoiding the wrapping?
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May 21, 2015
I'm having trouble getting the namespaces correct in the XML that is generated by SQL. The XML consists of two parts: a header part with some context information and the payload part with the actual data. With my current SQL script, the namespace is also copied to the payload part.
Here are some DDL and DML scripts to generate two test tables and some test data:
Code:
CREATE TABLE dbo.context(
idintNOT NULLconstraint pk_dbo_context primary key,
namenvarchar(100)NOT NULL
)
INSERT INTO dbo.context(id, name) VALUES (1, 'Here comes some great context information.')
[Code] ....
This is my current FOR XML script that generates the XML:
Code:
;WITH XMLNAMESPACES (DEFAULT 'http://services.registersubscription-02_00.a.cool.url.com')
SELECT
CEXT.name AS [Context/Name],
(SELECT
CONT.id AS [Content/Reference],
[Code] ....
This generates this XML (notice that the namespace is repetated in the <Questions> element):
Code:
<RegisterSubscription xmlns="http://services.registersubscription-02_00.a.cool.url.com">
<Request>
<Context>
<Name>Here comes some great context information.</Name>
[Code] ....
The XML should be like this:
Code:
<RegisterSubscription xmlns="http://services.registersubscription-02_00.a.cool.url.com">
<Request xmlns="">
<Context>
<Name>Here comes some great context information.</Name>
[Code] ....
The generated XML does not pass the XSD validation.
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Mar 12, 2008
I have this
use dbWebsiteLO
SELECT A.vehicleref,A.manufacturer,A.cvehicle_shortmodtext,A.derivative,min(a.ch) as price,A.capid,B.studioimages,(SELECT term FROM vwAllMatrixWithLombardAndShortModel WHERE vehicleref = a.vehicleref and ch = price) FROM vwAllMatrixWithLombardAndShortModel A
LEFT OUTER JOIN dbPubMatrix..tblCarImages B on A.capid = b.capid
WHERE a.source <> 'LOM' AND a.type = 'car' GROUP BY a.vehicleref,a.manufacturer,a.cvehicle_shortmodtext,a.derivative,a.capid,b.studioimages
I get Invalid column name 'price'. I'm trying to reference the "min(a.ch) as price"
Thanks
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Jul 20, 2005
SELECT DISTINCT product.product_id AS Expr1FROM [SELECT product.product_id, product.item_name, product.display,product.selling_price, product.smallpicture, product.main_size,product.main_dinnerware, dbo_coupon_special.coupon_id,dbo_coupon_special.special_price, coupon.effective_date,coupon.expiration_date, dbo_ssc_product.mc_idFROM dbo_ssc_product LEFT JOIN ((product LEFT JOIN dbo_coupon_specialON product.product_id = dbo_coupon_special.product_id) LEFT JOINcoupon ON dbo_coupon_special.coupon_id = coupon.coupon_id) ONdbo_ssc_product.product_id = product.product_idGROUP BY product.product_id, product.item_name, product.display,product.selling_price, product.smallpicture, product.main_size,product.main_dinnerware, dbo_coupon_special.coupon_id,dbo_coupon_special.special_price, coupon.effective_date,coupon.expiration_date, dbo_ssc_product.mc_idHAVING (((product.item_name) Like "*coaster*") AND((product.display)="y"))]. AS [Alias]This is the error I get:The identifier that starts with 'SELECT product.product_id...' is toolong. Maximum lenght is 128Incorrect syntax near the keyword 'AS'Any ideas?Thanks
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Jan 5, 2006
When editing the data driven subscription query I SOMETIMES get the following error: The dataset cannot be generated. An error occurred while connecting to a data
source, or the query is not valid for the data source. (rsCannotPrepareQuery) Invalid object name '##XX'. The datasource is ok, authentication also, the query works... Why can't it see the temporary table?
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Feb 14, 2007
Is it possible to reposition the "Report is being generated" graphic?
I have most of my reports set to 1000 px by 1000 px which forces the graphic off of the screen. I would like to be able to see it without having to scroll to it.
Also, is there any way to change the properties of that image? I would think a progress bar that actually showed how far along the report was before completion would be better.
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