BindingSource ListChanged Does Not Fire For New Records In SqlCeResultSet With Sensitive Option
Nov 6, 2007
I have an updateable and sensitive SqlCeResultSet that is bound to a DataGrid via a BindingSource. All updates to the resultset are programmatic. Changes to an existing record in the resultset are visible in the DataGrid and I am getting corresponding ListChanged events fired from the BindingSource. When I perform an database update independent of the resultset that changes resultset membership, I can peform a ReadLast and see the additional records; however the ListChanged event does not fire. Also, when I explicitly "create" a new record in the resultset I do not get a ListChanged event and in both cases the DataGrid does not display the records. Re-binding to the existing resultset does not appear to work either. Only when I create a new resultset and bind do the new or records display.
Using Compact Framework 2.0.
Any suggestions are appreciated.
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Feb 26, 2008
i have result set from such query :
resultSetOptions = System.Data.SqlServerCe.ResultSetOptions.Scrollable | System.Data.SqlServerCe.ResultSetOptions.Updatable;
queryText =
SELECT agvb_id as ID
,agvb_cat_id as Category
,agv_brn_id as Brand
,agvb_brn_name as BrandName
,agv_brn_area as Area
,agv_brn_sku_qty as SkuQuantity
,agv_brn_qty as Quantity
,agv_orderliness as Orderliness
,agvb_importance as Importance
FROM AGENTS_VISITS_BRANDS
WHERE (AGENTS_VISITS_BRANDS.agvb_agv_id = @agv_id)
AND (AGENTS_VISITS_BRANDS.agvb_cat_id = @dad_id)
ORDER BY agvb_brn_name
if i open resultSet with such qury it looses its updatable option.
If i remove from where 1 param (no mater which) everything runs ok.
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Dec 4, 2007
Hi,
I'm aware that when bulk loading to a SQL 2005 database through an OLE DB Destination, you can enable the FIRE TRIGGERS option. Is this option available when your database target is SQL 2000? I can't find it in the Properties or other windows.
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May 20, 2002
How do you set the case sensitive option in SQL 2000? If l already have data in the database whats the best way of doing this.l want the selects on the database to be case sensitive?
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Jun 1, 2015
 IF OBJECT_ID('dbo.AuditLog','U') IS NULL BEGIN
CREATE TABLE [dbo].[AuditLog]
[code]....
[AuditLogId] [bigint] IDENTITY(1,1) NOT NULL,
[DateCreated] [datetime] NOT NULL,
[TableName] [nvarchar](200) NULL,
i have the Audit_log table and the trigger above on Account table..it is working fine and i have some 1000 records in Audit log table  , but it did not fire for some customers and i found trigger did not fire for 60 plus customers any possible reasons ??? that trigger did not fire ? Below are the timings account have been created but trigger did not log themÂ
2015-04-29 10:22:08.243
2015-04-29 11:01:49.150
2015-04-29 11:08:16.617
2015-04-29 11:40:34.407
[code]...
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Feb 28, 2014
I have a transactional replication environment that creates subscribers on another server as a staging area for an ETL process to a data warehouse application on a 3rd server which is the report repository. Currently the ETL process runs every 10 minutes and performs it's function across approx 150+ subscriber databases and consolidates it to the data warehouse.
I have an SLA of 2 minutes. I'd like to rework the ETL process (which run as SSIS job at the moment) to be specific to a single database and fire that one ETL proces when changes have been applied to that subscriber database only. Of these 150+ databases generally only about 8-10 are updating the subscriber at any given time per Repl Monitor. I'm thinking that if I only have a few transactions to apply to a single db the ETL would run in seconds dynamically as the subscriber is update.
The issue is how to fire the ETL process upon completion of updates to the subscriber DB? I'm thinking of using SP_Start_job passing the DBID to update the warehouse but unsure whether this is possible but if so where to trigger it.
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Jul 21, 2006
I used a binding source in my script task codes to filter the data table. when i used that, even if i declare it (dim bs as bindingsource), i'm still having an error - "type bindingsource is not defined".
cherrie
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Nov 7, 2007
This is an error that popped up with after setting option strict to on
option strict disallows late binding
The error is on the field in red
If customer_data_reader("CustID") = (customer_bindingsource.Current("CustID") Then
i was looking at this but i cannot find what type this is exactly
If CStr(customer_data_reader("CustID")) = Ctype(customer_bindingsource.Current("CustID"), ????????) Then
It is a field, but how would i set the type for this?
Or do i need to do something different?
Thanks
Jeff
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May 26, 2008
Hi,
I have few views in SQL Server 2005. In Design View, the results of View are ok. In OPEN VIEW option, records are not sorted correctly, ORDER BY is ignored.
What could be the reason for this ?
Thanks a lot in advance!
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Nov 4, 2015
I have an Excel file which contains some data. I want to load that into a SQL server Table. Here are my conditions :
1. If the table doesn't have any matching records from the Excel file, then my DFT should load the data from that Excel to the Dest Table.
2. If the table has even one or more matching records, then the DFT should not process at all, instead I should send an email to the business stating that there are some matching records and hence the package is not process...ed.
P.S. If i use Lookup, I have two matching and non-matching output. which will process the non matching records into the table and matching can be redirected to any flat/Excel file. But i don't want to do this. I just want to lookup the Sql Server table and excel.
It'll be good if there is an additional option in the Lookup "Fail component on matching records".
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Apr 27, 2008
Hi everyone In my SqlServer Management Studio Express, on start up it shows the server type option, but greyed.So that value is fixed to database engine. ( I'm trying to work on an SqlServer Compact Edition database through the SSMStudiothat's why I'm trying to get this to change.)Besides, after I connect i go to the Object Explorer, expand the server node, and go to Replication.When i expand replication, i get the "Local Subscription" option, but nothng for Publication.( I want to work on Merge Replication, that's why I desparately need Publication to work)Am i missing something here? I did not install SqlServer separately, I only have what comes bundled with the Visual Studio 2005 Setup.
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Sep 13, 2007
How can i get the current row index of SqlCeResultSet specially after calling Seek method?
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May 17, 2007
Is there anyway to filter a existing SQLCEReusltSet?
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Aug 17, 2007
Hi
I am using SqlCeResult and i want to give paging on that and read in help that you can do paging on ResultSet so . I need code example so that i can understand how to implement this in resultSet.
Thanks & Regards
Vishal
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Aug 20, 2007
Hi
I have a table with an identity column. This is set to increase by 1 and start on 1, and is the first column of the table.
When I insert a record into the resultset, I get an error stating that it can't be DbNull.
Th record is created from a resultset with the query "Select * from table", so the id should be included
But as I understand it, it should be increasing automatically, right? Becuase that's the behaviour of the normal sql Insert command. I have seen an article that just left the id column in the record alone before inserting it, but it didn't help me.
How can I sidestep this issue?
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Sep 25, 2007
I am currently working with typed sqlceresultsets. I noticed that each resultset manages its own databaseconnection. I am considering to change this to a situation where I can reuse a databaseconnection on more than one sqlresultset.
Will this result in better performance? for example, when I have 2 updates for wicht I need 2 resultsets, wouldn't it be better to use 1 connection and transaction instead of each resultset creating/disposing its own? I would realy like to hear some oppinions. thanks!
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Aug 21, 2007
Hi,
I have an updateable sqlceresultset, which i use to bind to a datagrid. The user can modify values in the grid. I wish to update these values in the database only when the user has finished making these changes and clicks "Accept" button. But with the sqlceresultset, it looks like with every modification in the grid, the resultset is updated and change is written to the sdf database file . Please suggest how to work around this.
Thanks
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May 23, 2007
Hi I have written an Windows Mobile Application that insert 1000 records on SQL Compact 3.1 but I am having performance issues. If I use SqlCeResultSet and SqlCeUpdatableRecord in C# tha insert take 7 seconds to complete. But if I write a C++ application that uses OLEDB it takes only 4 seconds.
How can I improve the performance of the C# application? Also I would like to know if there is any possibility to use the same OLEDB objects that I use in C++ in a C# application.
Thanks a lot
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May 4, 2008
I have created my connection correctly
if (_deviceConn.State == ConnectionState.Closed)
_deviceConn.Open();
_deviceCMD = new SqlCeCommand("UPDATE metar SET observation='"+ Value1 +"',lastupdate='"+ Value2 +"',Valid_Time='"+ Value3+"' WHERE aerodrome_oaci_code='"+ FilterValue +"'", _deviceConn);
int RecordsAffected = _deviceCMD.ExecuteNonQuery();
The code executes fine, in fact the recordsaffected returns 1, but Nothing happend on database side. Another thing is, when i run the project on release mode, a copy of the SDF file is there, so, which of the sdf files the project is actually updating?, cause im querying both (the one in my project source path and the one copied to release folder) and both have the same data witout any modification.
My Copy to output directory setting is = Copy if newer.
If i try this with query analizer works just fine.
Any ideas?
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Oct 4, 2006
Hi,
I've noticed that after the first record from a ResultSet is deleted, HasRows property throws an exception like "The current row was deleted." Method ReadFirst() throws similar exception as well.
More details:
1. Create a ResultSet: ExecuteResultSet(ResultSetOptions.Updatable | ResultSetOptions.Scrollable | ResultSetOptions.Sensitive)
2. Let's say, there is no records in the resultset. Insert two new ones. Then call: ReadAbsolute(0); Delete(); HasRows; and the exception is thrown.
3. Then you can call ReadFirst() or Read with the same result.
4. Now call ReadAbsolute(0). It returns true. Call HasRows, ReadFirst() or Read() and you will get the exception each time.
I tried to explain this with the fact that Delete() doesn't change the current position of the ResultSet. But I don't see why that would mess the HasRows property or why after ReadAbsolute(0) retuns true, HasRows or ReadFirst() doesn't work.
Could anybody tell me what the problem is?
Thank you.
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May 23, 2007
Hi,
I am trying to develope a Pocket PC application using MS Visual Studio 2005 (C#)and the database is in the device (.sdf file).
Am trying to retreive a single row from a table containing around 10000 rows. I would like to know the fastest method to retreive the values.
whether it is faster to use an SQLDataAdapter to retreive the values to a dataset or datatable OR retreive the values to a SQLCEResultSet OR is there any other faster retreival method.
Please advice
Thanks,
Anujith
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Oct 3, 2006
Hi,
I've noticed that after the first record from a ResultSet is deleted, HasRows property throws an exception like "The current row was deleted." Method ReadFirst() throws similar exception as well.
More details:
1. Create a ResultSet: ExecuteResultSet(ResultSetOptions.Updatable | ResultSetOptions.Scrollable | ResultSetOptions.Sensitive)
2. Let's say, there is no records in the resultset. Insert two new ones. Then call: ReadAbsolute(0); Delete(); HasRows; and the exception is thrown.
3. Then you can call ReadFirst() or Read with the same result.
4. Now call ReadAbsolute(0). It returns true. Call HasRows, ReadFirst() or Read() and you will get the exception each time.
I tried to explain this with the fact that Delete() doesn't change the current position of the ResultSet. But I don't see why that would mess the HasRows property or why after ReadAbsolute(0) retuns true, HasRows or ReadFirst() doesn't work.
Could anybody tell me what the problem is?
Thank you.
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Jan 31, 2008
Hello,
I'm trying to develop a VB.NET (2005) form with just a ComBobox and a TextBox.
I bind a combobox with the SqlCeResultset (Scrollable | Updatable ). Do the same with the TextBox.
Combobox1.DataSource = rsResultSet
TextBox1.DataBindings.Add("Text", rsResultSet, "Obs")
This works (when I change the Combo item the textbox changes as well) but any changes to the textbox text do not reach the DB.If i change the Combobox item and back the old data is still there. If i look at the result
set it does appear as updateable.
How can I update the SqlCeResultset when I change the TextBox text?
Thanks
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May 4, 2006
I have a SqlCeResult pointing to a table :
Public conexion As Data.SqlServerCe.SqlCeConnection = New Data.SqlServerCe.SqlCeConnection("Data Source=iPAQ File StoreGestionAlmacenN.sdf")
Public ComandoCargaProductos As Data.SqlServerCe.SqlCeCommand = conexion.CreateCommand
Public ResultSetProductos As Data.SqlServerCe.SqlCeResultSet
Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
conexion.Open()
'**********************************************************
'************Conexion con Tabla Productos******************
'ComandoCargaProductos.CommandText = "SELECT * from [Productos]"
ComandoCargaProductos.CommandType = Data.CommandType.TableDirect
ComandoCargaProductos.IndexName = "PK__Productos__0000000000000041"
ComandoCargaProductos.CommandText = "Productos"
ResultSetProductos = ComandoCargaProductos.ExecuteResultSet(Data.SqlServerCe.ResultSetOptions.Scrollable Or Data.SqlServerCe.ResultSetOptions.Updatable)
End Sub
And I want to obtain the schema of the table which my resultset is pointing
Dim tabla As Data.DataTable
tabla = Me.ResultSetProductos.GetSchemaTable
But the datatable that i obtain don´t seem to have the schema that i need, for example don´t have the primary keys i have define and also don´t have any constrains......
Does anybody know the problem?
Thanks for your help
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Nov 14, 2007
Hi,
Inside a single transaction I'm inserting/updating multiple records into multiple tables, in this order:
table 1 record 1
table 2 record 1
table 3 record 1
table 1 record 2
table 2 record 1
table 1 record 3
table 2 record 3
table 3 record 3
Now I'm getting an unspecified error on a certain table:
Unspecified error [ 3,-1300704038,-1834095882,activitypointerBase,x lock (x blocks),PAG (idx): 1078 ]
From msdn I see that:
PAG (idx) means a lock on an index page.
x lock means an exclusive lock:
Indicates a data modification, such as an insert, an update, or a deletion. Ensures that multiple updates cannot be made to the same resource at the same time. (I assume that multiple updates within the SAME transaction can be made, only multiple updates from different transaction cannot be made, right?)
I cannot find any reference to this error message and don't know what the numbers mean. Maybe it relates to data that can be found in the sys.lock_information table like explained here, http://technet.microsoft.com/en-us/library/ms172932.aspx, but I'm not sure.
Furthermore, the sys.lock_information table is empty. I haven't been able to reproduce the problem myself. I only received an error log and the database to investigate it.
So, does anybody have an idea what this error message means and what I can do to troubleshoot this?
Thanks,
Jeffry
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Feb 10, 2015
So I started a new job recently and have noticed a few strange configurations. Typically I would never mess with min memory per query option and index create memory option configuration because i just haven't seen any need to. My typical thought is that if it isn't broke... They have been modified on every single server in my environment.
From Books Online:
• This option is an advanced option and should be changed only by an experienced database administrator or certified SQL Server technician.
• The index create memory option is self-configuring and usually works without requiring adjustment. However, if you experience difficulties creating indexes, consider increasing the value of this option from its run value.
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Aug 14, 2006
Hi Folks I hope every thing good.I have this problem I have a master page and an aspx page In aspx page there is an SqlDataSource Componant that call a storage prcedure from db that insert value to a certain table The issue here that he call the sp twice so the row record twince in the database What is the problem ?Thanks Bye
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May 15, 2008
Hi
I have a some confusion pleaz resolve it
can i fire truncate to the multiple tables if you have any type of syntax then tell me and if not then could u resolve from store procedure
Ashish
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Sep 21, 2005
Is it possible to create a trigger to monitor when a value changes from 1 to 0 in a particular row.
Example, rows have names, pins and status columns. When the status column of a row changes from 1 to 0, I am going to send a mail item to the person whose name has had the status changed.
Mike
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Apr 16, 2007
Hello,
I have a SQL Server 2000 DTS package in which the first step executes a batch file. The batch file contains FTP commands that log into an FTP server, and pull down whatever file is there.
I set up a failure workflow to send an email if the step fails. When I have a SQL Server job run this package, and there is no file to dowload, the whole package fails without the failure workflow result firing.
For the step (DTSStep_DTSCreateProcessTask_1), I have the 'FailPackageOnError' property set to -1. In the package properties, I have the check box for 'Fail Package on First Error' cleared.
What do I need to do so that the failure workflow occurs when the step fails?
Thank you for your help!
cdun2
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Sep 4, 2006
I am designing an application using service broker, and to increase performance of the application, sometimes I will be sending messages without waiting for a reply. After reading the article by Remus at http://blogs.msdn.com/remusrusanu/archive/2006/04/06/570578.aspx regarding fire and forget messages I realised I should always let the target end the conversation first so I can catch any errors. However, other times when i send a message from the initiator queue, I will want to wait for a reply.
If I have an activated stored procedure attached to the initator queue (as suggested in the article) would it mean that I would not be able to handly ANY replies manually (ie from the code that originally started the conversation).
If this is the case, should I have two initiating queues, one that handles fire and forget type requests and another where it waits for a reply, or should I just have some sort of clean up routine scheduled which checks for error replies and ends any other conversations that have been ended by the target?
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Oct 20, 2006
After many problems with permissions I have got got SQL to accept a notification request but the public static void OnChange(object sender, SqlNotificationEventArgs e) is never triggered. The notification registers and de-registers ok. The same connect string successfuly connects to the same database to process queries.
I can see the GUID suffixed stored procedure, queue and service being created. Where does SQL2005 store the address/name of the routine it is to trigger? (When the notification is cancelled, the guid-siffixed items disappear) I have looked at the generated stored procedure, queue and service, but there is no indication of what is to be called back.
I have followed the instructions at http://msdn2.microsoft.com/en-us/library/ms181122.aspx, but so far without avail. I have checked the Application and system event logs, but there is indication therein. Also the SQL log.
So my questions are:
1) Where is the callback stored (is it a pointer or an actual name) ?
2) What steps should I take to resolve this?
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Sep 18, 2006
Using vb.net, does anyone know or has anyone fired off a sql report, save it as PDF to a defined path?
I am knew to sql reporting services and the help files are not very helpfile.
Any sample code would be helpful.
Thanks
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