Reading Image From SQL 2000 Database
Aug 25, 2007
I am able to upload a jpeg to a sql 2000 database into a column called graphic, the datatype is an image. for some reason i can read the image and have it displayed! this is driving me insane. any help would be greatly appreciated. here is the code to upload. and below that is the code to display the image.
UPLOAD CODE
If Not IsNothing(txtfileupload.PostedFile) Then
'Determine File Type
Dim strExtension As String = Path.GetExtension(txtfileupload.PostedFile.FileName).ToLower()
Dim strContentType As String = Nothing
Select Case strExtension
Case ".gif"
strContentType = "image/gif"
Case ".jpg", ".jpeg", ".jpe"
strContentType = "image/jpeg"
Case ".png"
strContentType = "image/png"
End Select
'Load FileUpload's InputStream into Byte array
Dim imageBytes(txtfileupload.PostedFile.InputStream.Length) As Byte
txtfileupload.PostedFile.InputStream.Read(imageBytes, 0, imageBytes.Length)
'INSERT DATA INTO DATABASE
Dim objSQLConn As SqlConnection
Dim strSQL As SqlCommand
objSQLConn = New SqlConnection("server=srvdb1.rrg.local;uid=rsusr;pwd=Letmein123;database=rsdb")
strSQL = New SqlCommand("insert into rsdata (graphic,contenttype,fname,lname,nname) values(@graphic,@contenttype,@fname,@lname,@nname)", objSQLConn)
strSQL.Parameters.AddWithValue("@graphic", imageBytes)
strSQL.Parameters.AddWithValue("@contenttype", strContentType)
strSQL.Parameters.AddWithValue("@fname", txtfname.Text)
strSQL.Parameters.AddWithValue("@lname", txtlname.Text)
strSQL.Parameters.AddWithValue("@nname", txtnname.Text)
objSQLConn.Open()
strSQL.ExecuteNonQuery()
objSQLConn.Close()
lblStatus.Text = "Records uploaded"
End If
CODE TO DISPLAY
Dim objSQLConn As SqlConnection
Dim strSQL As SqlCommand
Dim objSQLDataReader As SqlDataReader
objSQLConn = New SqlConnection("server=srvdb1.rrg.local;uid=rsusr;pwd=Letmein123;database=rsdb")
objSQLConn.Open()
strSQL = New SqlCommand("select graphic, contenttype from rsdata", objSQLConn)
objSQLDataReader = strSQL.ExecuteReader()
While objSQLDataReader.Read()
Response.ContentType = objSQLDataReader("contenttype")
Response.BinaryWrite(objSQLDataReader("graphic"))
End While
objSQLDataReader.Close()
objSQLConn.Close()
%>
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Jul 20, 2005
Hi,Tasks in a MS Project SQL Server database have an image field calledTASK_RTF_NOTES. It contains text in RTF format. We would like to convertthis within a standard SQL statement into plain text.I suspect this is not possible without some sort of bolt-on, or at the veryleast using T-SQL in some way.Any ideas?Thanks,Gareth
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Sep 4, 2004
hi,
i m use asp.net 1.1.
i want to retrive image or picture from sql server 2000 database.
what should i do?
plz give "sample code" and solution.
it's urgent.
thanks in advance
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Dec 4, 2006
Hello,
I would like integrate images from a folder in my computer into SQL Server 2000.
It's bmp, jpg or gif images.
But I don't know how integrate them.
With script compenent in a dataflow?
Can you give a example please
Regards
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Oct 3, 2007
I created an Image for the Database in sqlserver 2000. When I am querying directly the database as "Select * from employee", it is returning the result set.
But, when I am querying Database image with same query. It is giving error
Server: Msg 208, Level 16, State 1, Line 1
Invalid object name 'Employee'
It is expecting the Database Owner. If I do query like "Select * from [Owner].employee", it is working fine.
My requirement is not use owner in queries, it should be simple query ("Select * from employee").
Can any one, help me out.
Thanks in advance.
Bhupesh
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Jul 12, 2007
hi all,
i have created a table with image field in it. Now i just want to store a jpeg file in it but not finding any way to do so.
how can i store any image ? what are the steps???????
thanx in advance
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Aug 17, 2007
Hi,
I have a website and i am uploading the gif image to the database. i have used varchar(500) as the datatype and i am saving the file in the webserver so the path to it c:intepub....a.gif
my upload table has the folliwing feilds
UploadId Int Identity, Description, FileName, DiskPath varchar(500), weblocation varchar(500). I have a main sproc for the report where i am doing a inner join with other table to get the path of the gif..
So my question is how can i get a picture to show up on the report. .
What kinda datatype the gif file should be stored in the database? If it is stored as a varchar how can i access it and what is best way to reference that particular.
any help will appreciated....
Regards
Karen
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Mar 13, 2007
Hi,
I am trying to read data from a column of an excel file which contains numbers in some cutom format _($* #,##0.000_);_($* (#,##0.000);_($* "-"??_);_(@_)
When I click on the preview button in the transformation properties I am not able to see any data in this column.
Please let me know if there is any setting in DTS which would allow me to read data in any format in the excel file.
Thanks!!
Rajan
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Aug 26, 2005
how to put both text and image into SQL 2000?
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Apr 15, 2007
HI,
Kindly Guide me how to store picture files in SQL server 2000 using Visual studio 2005
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Nov 19, 2003
Hi,
I have to store images in database. I have a table which contains field picture which is an image.
How can I do this using C# ?
In Visual Studio .NET i found a code how to obtain BLOB values from the database but I do not know how to do upload an image to the database.
Thanks in advance for your help.
Rafi
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Jul 20, 2005
My company stores thousands of images in a SQL 200 database (imagedatatype). We have a need to manipulate these images as they arepresented according to different situations. For example - differentlogos need to be inserted at the bottom of the image according to therequesting party.Any thoughts on the subject are much appreciated.Dante
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Feb 11, 2008
Hi,
SQL Server 2008 on its way. 2005 should be standard. But sometimes you have SQL Server 2000.
How can I upload an image into the SQL Server 2000 with an T-SQL Statement?
In SQL Server 2005 I would write something like this:
Code Snippet
INSERT INTO ReportingImages
(Name, Img)
SELECT 'UploadTest',
BulkColumn FROM OPENROWSET(
Bulk 'C:ds9.png', SINGLE_BLOB) AS BLOB
That doesnt work under 2000.
What about uploading to the SQL Server 2000 and an Image-Datatype?
Is it even possible in T-SQL without a Web-Service or C#/VB-written tool?
-------------------------------
Update: Thank you all for your answers. We'll use a tool then.
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Jun 29, 2005
I have this code that I hacked together from someone else's example. I kind of understand how it works. I just don't know if it will and i am not in a location right now to check. I was wondering if I did this correctly first, second how can it improve and should i do something different. Basically i just want to check the password in a database. I am passing the username and password to this function from another functioprivate bool authUser(string UserName, string Password){ string connectionString = ConfigurationSettings.AppSettings["DBConnectionString"]; SqlConnection DBConnection = new SqlConnection(connectionString); bool result = false; DBConnection.open() SqlCommand checkCommand = new SqlCommand("SELECT password FROM Users WHERE userName='" + Password + "', DBConnection) SqlDataReader checkDataReader = checkCommand.ExecuteReader();
if(checkDataReader.GetString(0) == Password) { result = true; } else { result = false; } checkDataReader.Close(); DBConnection.Close();
return result;}Thank you Buddy Lindsey
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May 9, 2008
We used SSIS to move data from a table in SQL 2000 which had a column with the image datatype to a column in a table in SQL 2005 that has a datatype of varbinary(max). No errors were produced from the SSIS package.
There were a number of records where the DATALENGTH of the column with the image datatype was greater than 8000. Was the data truncated for these records?
This is probably a very elementary question, but I am not familiar with the application or the data.
Below is the source table in SQL 2000 and a select count(*) ...
CREATE TABLE [dbo].[LSCHANNELCUTDATA](
[UIDCHANNELCUT] [numeric](19, 0) NOT NULL,
[VALUECODES] [image] NULL,
...
selectcount(*)
from[LSCHANNELCUTDATA]
whereDATALENGTH ( [VALUECODES] )> 8000
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Aug 9, 2007
I just want to store pic.bmp file in server using image datatype but don't getting how to do that ..
i want to know about both the actions storing and retrieving from the image data type..
like
create table amit
(
im image,
);
insert into values ()...
select * form Amit will it work...
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Jun 30, 2007
Hi,
I have a report that works fine when i deploy it in the development environment, but when i deploy the same report on the production server pointing to the same data source as the development environment; the images doesn't show up. I do see broken image X on all the images.
I searched the internet but couldn't find a solution to solve this problem. Any help on this will be appreciated.
Thanks,
Chaitanya
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Aug 30, 2006
I know my question is kinda weird but it seems I have to do this way or threre are some better ideas.
Could you show me a sample C code to connect to a data server and call a stored procedure to import an image file into SQL Server 2000?
I am writing an extended stored procedure in VS 2003 .NET and it seems extended stored procedure can only work with C code.
Thanks!
YL
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Nov 30, 2007
I am using SQL Server 2000 Version 8.00.194.
On creating the image data type in a table SQL server shows me image's default size is "16" and further more it doesn€™t allow me to change that size.
Can anyone please tell me what does length of an image data type means and what is meant by default length "16", and why it doesn€™t allow me to change?
Best Regards,
Mushq
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Mar 15, 2008
Hello all!
I am currently building a website and have reached a brickwall called SQL..
I hope this is ok to post on this forum I wasn't sure if I had come to the right place!
Basically I have an SQL database on my server and I would like to have my website access it and update information on a page i.e. :
Item Name: Quantity Sold: Price:
T-shirt 50 $10
Jeans 25 £20
How easy is such a thing to do as I have a very limited knowledge of SQL and especially incorporating it into web code..
Thanks!
jake
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May 16, 2007
Hi I have image in database sql server 2000 and want to display in ASP .net page. I make the memorystream from that data and write directly to page using Response.Write([bynary stream]) but U know it only display one image and other HTML is gone.
Normaly a HTML or ASP.net page will display image using local files like this <img src=.............> but how if I want to display it from memory stream that doesn't have physically in storage ? Or should I save that binary to storage first and then reference it ?
So anyone that have solution for this problem please help me how to this thing ............
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Nov 15, 2006
HiWe have a SQL server 2000 SP4 on a windows 2003 2x3Ghz XEON 4 GB ram.We have a table looking like this with currently 6 rows. Total data is aprox10 kb i all row all together.CREATE TABLE [dbo].[BIOMETRICPROFILE] ([BIOMETRICPROFILEID] [bigint] IDENTITY (1, 1) NOT NULL ,[FINGERPRINTTEMPLATE1] [image] NOT NULL ,[FINGERPRINTTEMPLATE2] [image] NOT NULL ,[FINGERPRINTTEMPLATE3] [image] NOT NULL ,[FINGERPRINTTEMPLATE4] [image] NOT NULL ,[FINGERPRINTTEMPLATE5] [image] NOT NULL ,[FINGERPRINTTEMPLATE6] [image] NOT NULL ,[TYPE] [nvarchar] (50) COLLATE Danish_Norwegian_CI_AS NOT NULL) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]GOselect * from BIOMETRICPROFILE takes ~4 seconds (!) to execute thourgh Queryanalyzer. Alle other tables has no performance problems.We have a SQL 2005 express instalation on the same server. If we restore abackup from the sql 2000 database the query takes aprox ~ 15 ms.What isgoing on here?Has SQL 2000 problems with image fields? or how can we find the problem?RegardsAnders
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Jan 11, 2008
HI
I have a very simple query that simply does this: select * from badgetemplates where badgeid=39 , the badge template table has four fields, one of them is of type IMAGE, however the data on badge 39 IMAGE field only amounts to about 600kb, it used to run very quickly (a second or so) now it takes over a minute, i have checked this via the SQL profiler. What is strange is if I remove some of the data stored within the IMAGE field and reduce it to much smaller that 600kb it runs very quickly again. 600kb is fairly small and it used to return this very quickly as I say. Other queries are running at normal speed and the server perfomance does not seem to be reduced elsewhere, it only seems to have effected this only table but only with data over a certain size, the table itself only contains 20 or so rows. What could this be?!
Any help would be really appreciated as I have no clue.....
Dave
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Jul 7, 2006
Hello,
I could save the file in the sql server database. The problem i am having is, I am not able to read the document from the database. I do not want to use response.outputstream......
I have to read the file for specific contents. Anyhelp would be great.
- Suresh
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Jul 25, 2006
Hi Everyone,
I am looking for some help, as i am pulling my hair out looking for information.
I have been using asp for many years and am now starting to learn .net. so far so good....
I am now wanted to connect to a database, execute a simple select statement and then read/write the information out. I can't help but think in old asp code and i am having a hard time finding what i need to perfom this simple task.
I have used the grid controls etc, and these are very good - however, i need to connect to a database in the code-behind file and perfom various functions in the background.
If any of you could be so kind as to perhaps show me some demo code i would be grateful.
I would like to do:
A) Connect to a database (sql server 2000)B) Execute a simple SQL select statementC) Read the returned informationD) put this information into variables used elsewhereE) how do you check if no records are returned? such as the .EOF in asp?
Many thanks
Darren
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Feb 20, 2008
Hello,I'm successfully using SqlDatSource to read data from SQL Server on a networked machine. Obviously I'd like to be able to update, edit or delete data, but the 'Advanced Sql Generation Options' in the SqlDatSource are greyed out.The result is that when I try and edit, update or delete I get this message Updating is not supported by data source 'SqlDataSourceDetails' unless
UpdateCommand is specified. Which makes sense because the options havn't been specified.I'm thinking this is probably a server side permissions issue but I've been through everything I can see and am now basically stuck.Any help would be appreciated Many thanks
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Mar 27, 2008
Hi all I've a page which shows data (25-30 entries) that are retrieved by an SqlDataSource. The query is very simple since i don't have to join any table.unfortunately sometimes I get the following error message. It's strange, since the page often works fine but the error occurs a couple of times per day.Who has an idea of how I could solve this problem?
Server Error in '/' Application.
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Apr 4, 2008
I have created a typed-dataset AuthorsDataSet and created a table in with name Authors, manually by right-click > New > Table. I have kept the data-types, sizes and contstriants exactly same as the table in the database, though I have kept the Column names different. I am filling the AuthorsDataSet with the following code on Form_Loadif (!IsPostBack)
{ SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["pubsConnectionString"].ConnectionString);
SqlCommand cmd = new SqlCommand("SELECT au_id, au_lname, au_fname, phone, address, city, state, zip, contract FROM authors", conn); using (SqlDataAdapter da = new SqlDataAdapter(cmd))
{
conn.Open();
da.Fill(ds.Authors);
grdAuthors.DataSource = ds.Authors;
grdAuthors.DataBind();
conn.Close();
}
conn.Dispose();
cmd.Dispose();
}
The connection string is as follows:<connectionStrings>
<add name="pubsConnectionString" connectionString="Data Source = localhost; Initial Catalog = pubs; Integrated Security = SSPI"/>
</connectionStrings>
The following error occurs when I run the page
System.Data.ConstraintException: Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints.
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Nov 22, 2004
Halo, I am a bit new to this
Please can someone help me, I would like to write a file(Any type) to a SQL database like a attached document(s) for the current record and be able to detatch the document when needed.
I use VB.NET for a ASP.NET app.
I basicly would like to attach documents to a piece of equipment may it be any kind and if the user views the equipment he will be able to detatch the documents for that piece of equipment and open it with the correct software.
PLEASE HELP!!!!!!!
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Nov 11, 2005
Hi i use sql server 2000 and i found problem in my database that is
when i write arabic language and closing my table and open it again i found all my data like question mark.
what can i do to save my data with arabic language.
note i use windows 2000 server.
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Mar 24, 2008
I have a database that contains news items. There's a column that contains the actual article. In that field, there are paragraphs with page breaks. The page breaks in the database are represented as squares (unrecognizable characters I guess). When I try to read in the data, it doesn't recognize the page breaks, and it comes out all in one large paragraph. Is there any way to get around this?
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Feb 14, 2008
Hi,
I have a data structure called 'Quote' which contains a number of different variables and controls ranging from text boxes, check boxes and radio buttons, i need to be able to read and write this from a database.
First I think a description of my overall project is needed:
Project Description
I have been given a brief that basically says: i have to create a programmed solution in VB to solve a problem. This problem can be anything we like, and I personally have chosen to create a program that manages quotes for building Log Cabins (this is very contrived and far from anything someone would do in the real world).
My solution will allow a generic user to create a quote (using a form with controls such as text boxes, check boxes, radio buttons) , and then save this to file. These users may then wish to load/edit this quote at a later date, from another form.
Whilst completing this project, i'll only have up to about 5 records (quotes) within the system, so i dont need the ability to store hundreds of records. And each record will be relatively short, with only about 10-15 data items within the data structure.
Also the Admin (or business owner in this case) need to be able to view all saved quotes in a presentable format, and edit them if needs be, from within this same program.
This solution does not need to be absolutely perfect and 100% efficiently coded, or have all the bells and whistles a real-world program would have. This is for an A level computing project by the way.
So basically, i need to be able to read from the database (to populate a Data Grid (i imagine this is best way?)) and so Admin can access any quote and edit it (editing is not vital, but viewing/printing is. Maybe i should stop at just viewing any quote?). Also i need generic users to be able to fill in the Edit Quote form and then save this data into the database.
And is a data structure really required for me to use a database?
I've never used databases in VB before (but have used them elsewhere, mainly Access) and so am completely new to this. Any help will be much appreciated.
Thanks
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Jan 18, 2007
Hi, i'm writing a SOCKET Port Listener for a Database, it must be multi-threaded and listen on a port for a record that when it comes in, it must write the record to the SQL database (MS SQL Server). I've got the listener to read the data over the port already and write the record into a string which i have already sliced up. Now i need to create a connection to the database and insert the variables into the database.
If Someone will please be able to give me a rough idea of how i could accomplish this with some sample code, then i will be greatful, i'm new to C#, but here is my code that i have so far.
//This is the Connection that i have made and where i am currently stuck, i dunno how to go further. Any help will be welcome.
public class ConnectionToMSDatabase
{
public void InsertDataIntoDatabase(string TableName, string connectionString, string dataFields)
{
string InsertSQLStatement;
InsertSQLStatement = "INSERT INTO " + TableName + " VALUES (" + dataFields + ")";
OleDbConnection ConnectionToDatabase = new OleDbConnection(connectionString);
ConnectionToDatabase.Open();
OleDbCommand command = new OleDbCommand();
command.Connection = ConnectionToDatabase;
command.CommandText = InsertSQLStatement;
command.ExecuteNonQuery();
command.Connection.Close();
}
}
//Here is my connection string, all the retrieved data is stored in a string array call fullRecord
ConnectionStringToDatabase = "Provider=SQLOLEDB.1;Integrated Security=SSPI;Persist Security Info=False;User ID=" +
"Administrator" + ";Initial Catalog=FORGE;Data Source=FORGE";
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