Trouble With Blobs
Aug 3, 1998
Help! Where building a document mgmt system that will store MSword documents, etc in SQL Server.
When we BCP a table which contains image data to another copy of the table,
the image data seems to get clobbered and is not longer valid. Has anyone had this problem
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May 24, 2004
I have searched high and low for this answer, but still to no avail...
Does anyone have a reliable way of storing serialized data into a table which does not use direct SQL on the client side? I am using Stored Procedures and simply need to be able to read out of the table the object written in.
Inserting appears fine, but reading only seems to come back with 16 bytes of data and I just can't figure out why. Whats the recommended way of doing this?
Matt.
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Mar 27, 2000
Are there any issues with BLOBs in SQL 7.0 ?
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May 4, 2004
Hello to all,
Please help me to get a right decision:
storing BLOBs 5M in database or using URL. I saw a lot of articles about this matter and really cannot decide.
The database size is about 35 M, not too much DDL operations.
Advises?
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Jan 4, 1999
Howdy,
Any one got any tricks on speeding up storing and retrieving image data? I have a typical 2MB image and I am trying to improve speed... it now takes 8 seconds to store the blob.
thanks
Dick Butler
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Feb 15, 2007
We have a blob in one table that is storing pdf files. I need towrite a select query that will grab that column and write those *.pdffiles out to a location on my hard drive. Does anyone know how thatcan be done? All suggestions would be greatly appreciated....
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Jul 8, 2007
Hi,
VS2005
SQl workgroup 2005
I have a DB where I store alot of Blobs, the blobs are tagged up with alot of id. My concern is deleting them automatically on a regular basis, too keep the DB size down. I will be deleting them based on based on age(date/time) and what category the blob is classed as.
- My concern is how to delete blobs sort of equally dispersed among the categories so no category ends up empty although it may have old pictures in it.
Any tips, links or code is much welcome.
(my app will be acessing the DB though ADO .NET 3.0 c++/cli)
Cheers,
Andreas
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Aug 17, 2006
I want to store message database in SQLEv. Each message contains fixed header and a body. Body is UTF-16 encoded text. Average size of the body is about 700 symbols. Standard deviation about 1000 symbols. Maximum size - 200K symbols. Total count of the messages is up to 2 millions.
The only type I can use for body is text or binary blob. But blob larger than 256 bytes store in separate pages. Because of most message bodies lager than 256 bytes, each message take avg. PageSize / 2 not used for storing data, but occupied space.
For 2M messages this space will be 4096 / 2 * 2M = 4G. But SQLEv has 4G limit for database size!
Is it any way to store such data in SQLEv more efficiently?
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Mar 4, 2004
I'm trying to store files such as pdfs in my SQL Server as blobs for a particular .NET application and I'm noticing a rather large performance hit when compared to if the pdf was simply stored in the web server's file system.
I have a pdf of 7MB. If this is on a web server it takes roughly 9 seconds to download. When I store the same pdf in my database and then write it onto the page using the code below it takes roughly 40 seconds to display. Can anyone help me to improve this performance difference? Should I not be using this method to store large files?
Dim PdfCol As Integer = 0 ' the column # of the BLOB field
Dim dr As SqlDataReader = cmd.ExecuteReader()
If dr.Read() Then
Dim mypdf(dr.GetBytes(PdfCol, 0, Nothing, 0, Integer.MaxValue) - 1) As Byte
dr.GetBytes(PdfCol, 0, mypdf, 0, mypdf.Length)
End If
Response.Clear()
Response.Buffer = True
Response.ClearContent()
Response.ClearHeaders()
Response.ContentType = "application/pdf"
Response.BinaryWrite(mypdf)
Response.Flush()
Response.Close()
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Dec 14, 2006
Hi
I wanted to ask a question in terms of design (Performance, scalability, maintenance, flexibility etc.) is it better to refernce a document on the actual file system (on a file server) i.e. from a database link to the actual file at a disk location
e.g. in the database have something like \fileserver2006 estewtext.txt or C: estewtext.txt
or is it better to store all the files in a database as blobs?
The Question i would like to ask is more in the context of desigining a document management system?
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Jun 25, 2007
Hi geniuses,
I have a core database question in MS Access and SQL Server.
Assume the following table in MS Access or SQL Server:
Employees table:
EmpID, Name, Hiredate, Photo;
and the following query:
"SELECT EmpID, Name, Hiredate FROM Employees;"
The question is, "does the blob object (Photo) affect the performance of the query even when not included in the select statement?"
I mean, will I gain some additional performance when separating the blob fields to another table?
Thanks for the answer.
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Oct 14, 1999
Greetings
I'm clear about the use of a DELETE trigger to "move" your deleted record to a second database as a sort of recycle bin.
But SS7 has the limitation, and it's mentioned in BOL, that it cannot reference your TEXT, NTEXT or IMAGE fields in the DELETED table. It says to join the original table with DELETED to get at those fields.
The only problem is the original table's record has been deleted! Even though the transaction has not yet been COMMITTED.
Here's my Trigger:
CREATE TRIGGER AuditTest ON Activity FOR DELETE AS
INSERT AuditDB.dbo.Activity
SELECT Activity.* FROM Activity INNER JOIN Deleted
ON Activity.ActivityID = Deleted.ActivityID
And for discussion, here's my Table:
ActivityID uniqueidentifier
OrgId uniqueidentifier
Title varchar(600
Active bit
Comments text
LastUpdate datetime
Any suggestions? Has anyone been able to implement a DELETE Audit
Trigger on a table with BLOBs?
Thanks,
-Rich
Richard Hundhausen
Stuttgart, Germany
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Apr 15, 2004
Hey Guys I knwo this may sound impossible but lets say I have a number of fields one of which is a Long blob or long text
is there a way to have MYSQL search the blobs for keywords and then to extract them to other fields?
basically what I am asking is it possible to parse a long text blob for keywords and then grab data before or after those keywords?/
anyone know a way???
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Apr 29, 2015
I currently have a lot of XML blobs being stored in several of the production databases that I look after. They're there as a application "logging" feature, so that the developers can investigate issues if they ever occur.
I want to get these out of my OLTP databases asap and am currently looking at options. I know Brent Ozar recently posted an article about Content Addressable Storage systems [URL] ....
How do you handle point in time recovery? Any other ways of storing this data?
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Jul 20, 2005
I've seen plenty of posts regarding the estimation of table size,usually in the processing of planning for server storage needs.Well, I've got a different problem. I need to know how much data eachof our Customers are using in a Database. (1 SQL DB stores multiplecustomers).Basically, I want to be able to say: Customer A: 45.5 MB, Customer B:655 MB.So, how can I ask SQL Server how much data each Row in each table istaking up? I want to be able to calculate nightly the total size, so Iwould take each row in each table that belong to the customer, and addall the sizes together. I want to take into account blobs that arestoring images and PDF files also.Thanks in advance,Jesse Wolgamott
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Feb 5, 2004
I am taking over a Database set up where we have 2 databases. One is a SQL SERVER 2000 db and the other is an Oracle 9i db.
THe previous DBA had/has a problem with transferring CLOB and Blob datatypes From the ORACLE db to SQL SERVER. He says that the OLEDB driver SQL SERVER provides has limitations particularly on the CLOB data because it truncates data over 4000 characters in length.
For the Blob issue:
We basically want to store/move attachments (word documents etc)
into image datatypes (SS) from the blob datatype (9i).
I figured I could do this using DTS or even using the Linked server method. I figured worst case scenario I would just store the documents on the server and then use SQL SERVER's textcopy utility to upload the documents into the image datatype column of the SQL SERVER table.
For the Clob Issue I have no idea what to do, because I cant find anything online that mentions SQL SERVER having issues with importing CLOB data over 4000 charcters in length, afterall the text datatype accomdates more than 4000 characters.
Does anyone have any suggestions for moving the Blob and most importantly the Clob datatypes from 9i to SQL SERVER without any truncation in the data????
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Jul 20, 2005
Hi folks,I want to be able to store and retrieve UNSAVED Word documents as BLOBs. Igot all the info for storing them if they're already saved on the filesystem. But what if they're not already saved? I could save them to a tempfile first and then make it a blob, but I'd rather not put them on the filesystem at all. I could use Document.Contents to get the Range object for thewhole doc and then BLOB that, but I'm not sure that would be quite the sameas a .doc file, maybe things like Styles and the like would be missing.TIA!Dave
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May 28, 2008
I got this error yesterday running an SSIS package:
"The buffer manager cannot create a file to spool a long object on the directories named in the BLOBTempStoragePath property. Either an incorrect file name was provided, or there are no permissions."
This same package was working fine on a different server, so I compared the configurations of the two boxes. It turned out that the service account that runs the package was in the Windows Administrators group on one box but not the other. I added the service account to Administrators on the box that had the problem and the problem went away.
I have looked around and have not found a list of the necessary Windows permissions that an account must have in order to run an SSIS package. This list would include write permissions to the path specified in BLOBTempStoragePath. Has anyone out there configured an account with minimal permissions to run a package that has a Data Flow?
Thanks,
Ron Rice
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Aug 13, 2007
I'm trying to write SSIS packages to import DB2 6000 tables to SQL Server 2005 tables. The package vendor has defined CLOB and BLOB datatypes for columns in the DB2 tables, and going through the Data Flow tasks from OLE DB for DB2 to OLE DB for SQL Server, it tries to map CLOBs to TEXT columns, and BLOBs to IMAGE columns. The vendor has no conversion utility available, so I have to write the SSIS packages. However, the task generates a goodly number of errors just trying to open the OLE DB DB2 dataset. Errors like the following:
Error: 0xC0202009 at Set 5 1 2, DB2 vendor_master [7127]: An OLE DB error has occurred. Error code: 0x80040E21.
An OLE DB record is available. Source: "Microsoft DB2 OLE DB Provider" Hresult: 0x80040E21 Description: "Multiple-step OLE DB operation generated errors. Check each OLE DB status value, if available. No work was done.".
Error: 0xC0208265 at Set 5 1 2, DB2 vendor_master [7127]: Failed to retrieve long data for column "COMPETITOR_COMMENT".
Error: 0xC020901C at Set 5 1 2, DB2 vendor_master [7127]: There was an error with output column "COMPETITOR_COMMENT" (8866) on output "OLE DB Source Output" (7138). The column status returned was: "DBSTATUS_UNAVAILABLE".
Error: 0xC0209029 at Set 5 1 2, DB2 vendor_master [7127]: The "output column "COMPETITOR_COMMENT" (8866)" failed because error code 0xC0209071 occurred, and the error row disposition on "output column "COMPETITOR_COMMENT" (8866)" specifies failure on error. An error occurred on the specified object of the specified component.
Error: 0xC0047038 at Set 5 1 2, DTS.Pipeline: The PrimeOutput method on component "DB2 vendor_master" (7127) returned error code 0xC0209029. The component returned a failure code when the pipeline engine called PrimeOutput(). The meaning of the failure code is defined by the component, but the error is fatal and the pipeline stopped executing.
Error: 0xC0047021 at Set 5 1 2, DTS.Pipeline: Thread "SourceThread0" has exited with error code 0xC0047038.
Error: 0xC0047039 at Set 5 1 2, DTS.Pipeline: Thread "WorkThread0" received a shutdown signal and is terminating. The user requested a shutdown, or an error in another thread is causing the pipeline to shutdown.
Error: 0xC0047021 at Set 5 1 2, DTS.Pipeline: Thread "WorkThread0" has exited with error code 0xC0047039.
Information: 0x40043008 at Set 5 1 2, DTS.Pipeline: Post Execute phase is beginning.
In this case, 'COMPTETITOR_COMMENT' is defined as a CLOB(2 M) column format in the DB2 database table, and the output format in the SQL Server 2005 table is defined as a TEXT column.
Any assistance would be appreciated.
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Apr 24, 2008
I have a table with embedded files in it and also ftp server/user/pwd fields so that each record has all the data and information required and need to configure an SSIS package to to FTP them to the destination as specified in the record within the databaseAt the moment I have a data flow task which uses a Derived Column and an Export Column transformation which creates the files to a temp folder then it runs a ForEach loop container back on the control flow to FTP each file and to then move each file to an archive folder.
All I think I need to know how to do is to somehow control the FTP connection settings with the fields from the database within this foreach loop, but it is a for each file collection. I also need to update each record saying it has been FTP'd as well
Do I need to have an initial query outside of this foreach loop to populate an array which can be used for the 4 FTP connection fields (server/user/pwd/directory), if so how?
Any ideas as to how to correctly finish this package.
Thanks
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May 29, 2007
I've set up a development peer to peer replication between 2 SQL Server 2005 on 2 Windows XP SP2 systems.
The distribution agent is configured to use UseOledbStreaming. When saving smaller BLOBs of approx 10000 KB all works fine. When I try to replicate larger data I get the following error message in the Synchronisation status window and in the history of the distributor to the subscriber tab in the replication monitor:
Der Verteilungs-Agent verwendet die OLE DB-Streamingoptimierung für die Replikation von BLOB-Daten (Binary Large Objects) mit mehr als 16384 Bytes. Der Schwellenwert für die Optimierung kann über die Befehlszeile mithilfe des -OledbStreamThreshold-Parameters festgelegt werden.
(Quelle: MSSQL_REPL, Fehlernummer: MSSQL_REPL21060)
Hilfe abrufen: http://help/MSSQL_REPL21060
I also tried different values of OledbStreamThreshold.
I need to be able to replicate BLOBs in size of up to 1 GB.
I'm writing the BLOB data in chunks to the table DB_BLOBData , that isn't an article for replication and at the end copy it to the destination table MyBLOBTable which is an article. I do this, because I noticed that the transaction log on the subscriber database becomes incredibly huge (>60 GB for maybe 50 1000KB BLOBs written in blocks size of 65536 bytes) when directly updating the row using BLOB.Write(...). I think, that for each write at least the whole BLOB contents is written to the transaction log.
The replication uses Stored procedures, Update using SCALL syntax.
The code of the SP:
...
IF @action = 1
BEGIN
UPDATE MyBLOBTable
SET DocContent = (SELECT BLOB from DB_BLOBData where GuidId = @id)
, DocSize = (SELECT DATALENGTH(BLOB) from DB_BLOBData where GuidId = @id)
WHERE DocId = @id
DELETE FROM DB_BLOBData WHERE GuidId = @id
END
IF @action = 0
BEGIN
IF @Offset = 0
BEGIN
INSERT DB_BLOBData( GuidId, BLOB )
VALUES ( @id, @value )
END
ELSE
BEGIN
UPDATE DB_BLOBData
SET BLOB.Write( @value , @Offset , @Length )
WHERE GuidId = @id
END
END
SELECT @ModDttm = modDttm
, @ModUser = modUser
, @ModClient = modClient
, @ModAppl = modAppl
FROM MyBLOBTable
WHERE DocId = @id
RETURN 0
END
TIA,
Hannoman
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Feb 16, 2004
I just got finished developing the company intranet site and thinking that everything was working I boasted about how good it was by getting my boss to login and submit a new job to the db (new job, its a work management app) while i did the same, the pland was to hit the submit button at the same time. He would send one to be read by me and I would send one to be read by him. We both hit submit and the following happened.
The db has somehow fused the two into one. I thought maybe we were to accurate in hitting the submit button together. But I even gave a five second delay between and for some reason the job is being overriden by one user tor the other. In other words we are both sharing the same jobid. I thought this could never happen with sql server supposing that it would lock one request until another was completed and vice versa. But I'm so new to this that I'm just so naieve to think that the db would do this for you. Problem is I'm about to move on and I can't leave the app in this state. Can anyone point to some articles or give some suggestions has to my situation. Most desperately in need!!
Thanks in advance
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May 20, 2006
hello
i'm having touble getting my sp done. the problem is as follow..i've found an sp tokenize (which works fine) with the following signature:
CREATE PROCEDURE TOKENIZE (
S VARCHAR(10000),
DELIM CHAR(1))
RETURNS (
ID INTEGER,
TKN VARCHAR(10000))
AS
DECLARE VARIABLE I INTEGER;
DECLARE VARIABLE LEN INTEGER;
DECLARE VARIABLE FIRSTCHAR CHAR(1);
DECLARE VARIABLE S2 VARCHAR(10000);
begin
...
SUSPEND;
end^
then i build myself another sp (which also works fine) with this signature:
CREATE PROCEDURE GET_DICENTRIES_BY_ASDSKRPT (
ASDSKRPTINPUT VARCHAR(15))
RETURNS (
ID BIGINT)
AS
begin
...
suspend;
end^
now, what i'm trying to do is write another sp (get_dicentries_by_all_asdskrpts) that accepts a '.'-tokenized string as a parameter (e.g. 'bla.bli.blo.blu'; number of tokens NOT fixed at 4!) and returns the intersection of
GET_DICENTRIES_BY_ASDSKRPT('bla'), GET_DICENTRIES_BY_ASDSKRPT('bli'), GET_DICENTRIES_BY_ASDSKRPT('blo') AND GET_DICENTRIES_BY_ASDSKRPT('blu')
does any of you have an idea how to go about?
thanx,
martin
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Jul 23, 2005
Could someone help me get the following SQL statement working?SELECTstandardgame.gamename,standardgame.rowteamname,standardgame.colteamname,standardgame.dollarvalue,standardgame.gameid,standardgame.cutoffdatetime,standardgame.gametype,standardgame.gameowner,(100-COUNT(purchasedsquares.gameid)) AS squaresremainingFROM standardgameLEFT OUTER JOINpurchasedsquares ON standardgame.gameid = purchasedsquares.gameidwhere gametype='$gametype' and dollarvalue = '$dollarvalue' andgameowner = 'GROUP BY standardgame.gameidorder byCASE squaresremaining WHEN 0 THEN 1 ELSE 0 END ASC,squaresremaining ASCThe problem is... MySQL doesn't seem to want to let me usesquaresremaining in that case statement since it's not an officialcolumn name. Any idea how I can reference squaresremaining in the casestatement?
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Mar 13, 2007
I have a smalldatetime field in SQL.
For the query of my report, I need any transaction that is like 09/2006 (matching the month and year).
So I wrote something like this:
AND (DATE LIKE '%2006%')
That correctly returns all of the 2006 transactions.
Now why won't this work:
AND (DATE LIKE '%2006-09%')
Or how about this:
AND (DATE LIKE '%09%2006%')
What is the correct syntax??
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Nov 2, 2007
am an ASP.net developer and i've stucked in a C# windows application ... and i am the linking part ... between the Database and my application ... in ASP i have a wizard that handles getting the data from the controls ... but is it the same in C# windows application ? am using VS2005 TeamSystem... and widows Vista(framework 3.0) .... and this query is getting executed and return 1 ... and the intellecence is telling me to insert 4 strings
int rowseffected = loginNamesTableAdapter.InsertQuery(textBox1.Text.ToString(), textBox2.Text.ToString(), textBox3.Text.ToString(), textBox4.Text.ToString());
MessageBox.Show(rowseffected.ToString());
i don't know how to link the parameters with the controls ... please show me how ... thx... please help with images ... as i previously mentioned... this is a new experment in C# thx.
__________________
Ahmed Reda
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Jul 24, 2006
Using Vs2005 sqlServer 2005 When i try to connect i get this error: An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) Connection string: <connectionStrings> <add name="pubsConnectionString1" connectionString="Data Source=.;Initial Catalog=pubs;User=mk;pw=x" providerName="System.Data.SqlClient" /> </connectionStrings> Calling code : try { using (SqlConnection cn = new SqlConnection(WebConfigurationManager.ConnectionStrings[0].ConnectionString)) { cn.Open(); } } catch (Exception ex) { Response.Write(ex.Message); }
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Mar 2, 2007
I have a table adapter query with a like clause that I can't get to work. The field is "Type", so I have "LIKE '%@Type%'". When I click the Execute Query button to test, not only does nothing get returned, I don't get the chance to enter the parameter. If I change LIKE '%@Type%' to say, LIKE '%book%', the appropriate records are returned. I actually need to check two parameters. If I ad the second parameter, the where clause becomes(Type LIKE '%@Type%') AND (SendState = @SendState)When I test the query, a screen pops up to let me enter the state, but not the Type. I can't see anything wrong with the query, but something must be. Diane
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Jun 6, 2007
I am having a most frustrating time getting this working. I have two machines, one named 'REMOTE' and it contains my SQL Server (2005 developer edition). Then I have my main PC, named 'DOUGAL' The server instance on the REMOTE computer is called 'SQLSERVER' and there is only one instance. The server is showing as running etc and I can log in locally on the REMOTE computer easily via the Microsoft SQL Server Management Studio etc. I have two logins that are working fine, sa and a login called 'db_user'.Now I am trying to connect in the server explorer in visual studio. When I try and connection i get the following error; An Error has occured while establishing a connection to the server. When connectiong to SQL Server 2005 this failure may be caused by the fact that under the default settings SQL server does not allow remote connections. (provder: Named Pipes Provider, error: 40 - Count not open connection to SQL Server). I have tried connection to 'REMOTE/SQLSERVER' 'REMOTE' and with its IP address to - without any luck. So, to fix this problem I have checked that remote connections are allowed (and restarted the system). I have also checked that named pipes and tcp/ip connections are enabled. I have searched around with the aid of my best friend, Google. However, I've only found suggestions that involve trying the fixes I already tried.
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Nov 6, 2007
Ok, what I am tryin to do is quite simple i do believe. Basically I have an aspx page with a textbox, a button and a datagrid linked to my sql db. What I am wanting is for a user to enter in their Social Security Number in the text box and click the button. If the SSN matches a record in the DB then it binds to the datagrid and shows it, IF no match is found then it displays a link to click on to continue onto the next page. This is to stop duplicate entries. I can get one to work by itself but not both of them at the same time. Here is my code.<%@ Page Language="VB" %><%@ Import Namespace="System.Data" %><%@ Import Namespace="System.Data.SqlClient" %><script language="VB" runat="server"> Sub btnSearch_OnClick(sender as Object, e as EventArgs) Dim objConnection As SqlConnection Dim objCommand As SqlCommand Dim objAdapter As SqlDataAdapter Dim objDataSet As DataSet Dim strSearch As String Dim strSQLQuery As String ' Get Search strSearch = txtSearch.Text ' If there's nothing to search for then don't search ' o/w build our SQL Query and execute it. If Len(Trim(strSearch)) > 0 Then OK, Here is my first IF, this works. ' Set up our connection. objConnection = New SqlConnection("Data Source=BRADBLACKBUR-PCMSSMLBIZ;" _ & "Initial Catalog=Victorypoint;Integrated Security=True;") ' Set up our SQL query text. strSQLQuery = "SELECT FirstName, LastName, SSN " _ & "FROM Applicants " _ & "WHERE SSN LIKE '%" & Replace(strSearch, "'", "''") & "%' " _ & "ORDER BY SSN;" ' Create new command object passing it our SQL query ' and telling it which connection to use. objCommand = New SqlCommand(strSQLQuery, objConnection) ' Get a DataSet to bind the DataGrid to objAdapter = New SqlDataAdapter(objCommand) objDataSet = New DataSet() objAdapter.Fill(objDataSet) If objDataSet.Tables.Count < 1 Then Right here is where I am having the problem, I need to count the Rows not the Tables, but I dont know what code i should use here. Button1.Visible = True Else ' DataBind DG to DS dgSearch.DataSource = objDataSet dgSearch.DataBind() objConnection.Close() End If End If End Sub
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May 5, 2008
I've tried to post this somewhere else, but I haven't gotten it figured out yet:
I'm passing variables through a URL, and the page that accepts the variables has a where clause like this:"WHERE (name1 LIKE @name1 + '%') and (property_add like @property_add + '%') and (ctlmap = @ctlmap )"On the search page where the variables are entered, the user may not know all the information that goes into each input field. (If the user just knew the name, they would search by name. If the user just knew the address, they would search by address...etc.) Everything works great before I add the ctlmap variable. When the ctlmap variable is added, no search results will turn up unless there is an entry made to the ctlmap field. I know it has to have something to do with the ctlmap being set to equals rather than like, but I can't find a way to make the search work with a null value for ctlmap. Thanks, everyone. Additional Info: <SelectParameters> <asp:QueryStringParameter ConvertEmptyStringToNull="False" Name="name1" QueryStringField="name" Type="String" /> <asp:QueryStringParameter ConvertEmptyStringToNull="False" Name="property_add" QueryStringField="address" /> <asp:QueryStringParameter ConvertEmptyStringToNull="False" Name="ctlmap" QueryStringField="ctlmap" /> </SelectParameters>
Here's another type of where clause that I tried but had no luck with:
WHERE (name1 LIKE @name1 + '%') and (property_add like @property_add + '%') and (@ctlmap IS NULL or @ctlmap = ctlmap)
This is how I would try to do it in php/mysql, but I don't know how to make it work in asp.net/sql:
if ($ctlmap != "") { $whereClause = $whereClause." and ctlmp = '".strtoupper($ctlmap)."' "; } if ($whereClause != "") { $whereClause = " where ".$whereClause; }Here's the MYSQL counterpart:$sqlString = "Select distinct district, map, bill_group, ctlmap, bill_parcel, propertyid, special, property_add, name1 from MUR_bill_master".$whereClause";
Can anyone help?
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Jun 9, 2004
Greetings,
I am having difficulty connecting to a SQL DB in my ASP page. Each time I run my application I receive the following error, "Login failed for user 'CX259ASPNET'". This is obviously something to do with permissions. I am all out of ideas but I will list the things I have already attempted to see if I either missed something or somebody can add to what I have already done.
1. In SQL Server I right-clicked the db -> properties -> security tab -> selected the option button to "SQL Server and Windows" instead of "Windows Only".
2. I installed SP3 and changed the sa password.
3. I created a new user under my db using the ASPNET account listed. I then changed the permissions to allow selecting, update, insert and delete access.
4. I also created a new user under my db using the IUSR account listed. I changed the permissions to the same settings as above.
I did a search on google which provided with all of the information above, but I am still stuck and hoping that this is a common problem and will be easy to fix.
Below is the code which I am attempting to use.
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
If Not Page.IsPostBack Then
Dim strConnString As String = _
"Data Source=(local);" & _
"Initial Catalog=Names;" & _
"Integrated Security=SSPI;"
Dim objConn As New SqlConnection(strConnString)
Dim strSQL As String = "SELECT * FROM [Names]"
Dim objCmd As New SqlCommand(strSQL, objConn)
objConn.Open()
MyDataGrid.DataSource = objCmd.ExecuteReader
MyDataGrid.DataBind()
objConn.Close()
End If
End Sub
Regards,
Corey
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Dec 24, 2004
Hi All,
What i am trying to do is concatenate variable "@Where" with CURSOR sql statement,inside a procedure . But, it doesn't seem to get the value for the @Where. (I tried with DEBUGGING option of Query Analyzer also).
=============================================
SET @Where = ''
if IsNull(@Input1,NULL) <> NULL
Set @Where = @Where + " AND studentid='" + @input1 +"'"
if isnull(@Input2,NULL) <> NULL
Set @Where = @Where + " AND teacherid =' " + @Input2 +"'"
DECLARE curs1 CURSOR SCROLL
FOR SELECT
*
FROM
school
WHERE
school ='ABC' + @where
=============================================
It gives me all the Records inside the SCHOOL='ABC' ...
Please check my SQL Above and Could somebody tell me , how can I attach the VARIABLE with CURSOR sql statement ?
Please advice me..(:
Thanks !
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