How To Retrieve Data From Sqldatasource?

Jul 18, 2006

Okay, I used the SQLDataSource control to get my data from the database
table. What or how do I retrieve individual data from the
sqldatasource? I want to do some string comparison and manipulation
before I display it to the browser. How can this be accomplish?



Help is appreciated.

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Retrieve Data From SQLDataSource

Jan 23, 2008

Background:I am using Visual Studio 2005 Standard SP1 to create an ASP.NET website that accesses an SQL 2005 database.  I am using vb.net as well.I am passing an ID in a query string from one page to the next, where I retrieve it using an SQLDataSource.  The data will only be one row; it is returning customer information.Problem:I need to be able to get specific fields from the SQLDataSource and populate some textboxes.  Honestly, I'm not really sure where to begin.  For the sake of argument, let's say that I am working with this:'My TextboxDim LastName As Textbox'My SQLDataSource (filtered by query string using the customer's ID to only get 1 customer's information at a time)SQLDataQuestion:So, how would I go about retrieving the lastname field from SQLData and inserting it into the textbox LastName?Thanks,    J'Tok

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May 21, 2007

I'm an "old" programmer but new to ASP.NET.
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Typically I want to get a value from the database that I then after manipulating it, like multply by 5, use to format something on the page.
thanks in advance,
Thommie
 

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Jun 10, 2007

I have made a SQLDataSource control with the select command:
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I want to use the "Antall" result programmatically in C# code. I try the following statement:        IDataReader MyReader;
 
       MyReader = CType(SqlDataSource2.Select(DataSourceSelectArguments.Empty),IDataReader);
but it doesnot work. Can somebody help me how to get the data from th control ?
Tom

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Sep 4, 2007

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Jun 29, 2007

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Jan 11, 2006

Hi! I'm a novice in asp .net
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Dec 8, 2005

Hi
I am trying to get the last ID value of a table. 
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sqlConnection1.Open();
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Pen
 

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Apr 11, 2007

I'm trying to figure this out
 I have a store procedure that return the userId if a user exists in my table, return 0 otherwise
------------------------------------------------------------------------
 Create Procedure spUpdatePasswordByUserId
@userName varchar(20),
@password varchar(20)
AS
Begin
Declare @userId int
Select @userId = (Select userId from userInfo Where userName = @userName and password = @password)
if (@userId > 0)
return @userId
else
return 0
------------------------------------------------------------------
I create a function called UpdatePasswordByUserId in my dataset with the above stored procedure that returns a scalar value. When I preview the data from the table adapter in my dataset, it spits out the right value.
But when I call this UpdatepasswordByUserId from an asp.net page, it returns null/blank/0
 passport.UserInfoTableAdapters oUserInfo = new UserInfoTableAdapters();
Response.Write("userId: " + oUserInfo.UpdatePasswordByUserId(txtUserName.text, txtPassword.text) );
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May 8, 2008

Good day., please help me,in a formview control, i set it in Insert Mode, so it should display info from table 1 but when i click on the insert button, it will insert it in table 2.btw, table 1 and table 2 are in the same database?? how about if they are not in the same database?how?please help me,Thanks.,SALAMAT PO., 

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Oct 24, 2007

Hey All,
I am developing a data acquistion system which monitors the amount of energy that a user consumes in different parts of a house and displays the information in real time on their computer screen. I am collecting the data through tranducers attached to the circuit breakers in the breaker box and sending the data to analog-to-digital converter channels in a MCU. I am retrieving the data from the serial port and storing it to a text file. Each line of data in the text file represents three fields which are separated by commas. I will be reading data from multiple data collection boxes so the first field is the unit number, the second fied represents the analog-to-digital converter channel number from each unit, and the third field is the data that is collected from the ATD channel. I am trying to use SSE to retrieve the data from the text file, and parse each line of data into individual columns in a databse. Then I want to be able to extract the data associated with a particular ATD channel number from the databse and display it in the appropriate text field on a windows form.
I've got the MCU programmed. I have no problem collecting the data from the serial port, and I can do the visual basic programming okay. I have absolutely no clue how to read the data into the database, continuosly read new values into the databse, and then access the stored data to update the text fields on the form. Please help if you can, I've been working on this specific problem for a couple of weeks and I'm not making any progress. Thanks.

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Retrieve Text File Data In SSE For Data Acquisitio

Oct 24, 2007

Hey All,
I am developing a data acquistion system which monitors the amount of energy that a user consumes in different parts of a house and displays the information in real time on their computer screen. I am collecting the data through tranducers attached to the circuit breakers in the breaker box and sending the data to analog-to-digital converter channels in a MCU. I am retrieving the data from the serial port and storing it to a text file. Each line of data in the text file represents three fields which are separated by commas. I will be reading data from multiple data collection boxes so the first field is the unit number, the second fied represents the analog-to-digital converter channel number from each unit, and the third field is the data that is collected from the ATD channel. I am trying to use SSE to retrieve the data from the text file, and parse each line of data into individual columns in a databse. Then I want to be able to extract the data associated with a particular ATD channel number from the databse and display it in the appropriate text field on a windows form.
I've got the MCU programmed. I have no problem collecting the data from the serial port, and I can do the visual basic programming okay. I have absolutely no clue how to read the data into the database, continuosly read new values into the databse, and then access the stored data to update the text fields on the form. Please help if you can, I've been working on this specific problem for a couple of weeks and I'm not making any progress. Thanks.

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Jan 18, 2008

I need to retrieve points column from my database for the specific user that is signed on and sum all of them. How can I do it using the Gridview and also code in vb for a label? Thanks.  

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Nov 19, 2005

Here is my sql procedure:
ALTER PROCEDURE dbo.SoftWareShow /* ( @parameter1 int = 5, @parameter2 datatype OUTPUT ) */ @SoftID uniqueidentifierAS SELECT [SoftID], [SoftName], [SoftJoinDate], [SoftSize], [SoftMode], [SoftRoof], [SoftHome], [SoftDemo], [SoftFirstClassID], [SoftSecondClassID], [SoftDesc], [SoftReadCount], [SoftDownCount],ltrim(rtrim([SoftUrlOne])) SoftUrlOne, ltrim(rtrim([SoftUrlTwo])) SoftUrlTwo, ltrim(rtrim([SoftUrlThree])) SoftUrlThree, ltrim(rtrim([SoftUrlFour])) SoftUrlFour FROM [SoftWare] WHERE ([SoftID] = @SoftID) RETURNwhere I retrieve data using sqldatasource, an error appear. how can do ?

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Retrieve Data

Mar 18, 2008

Hello,

Before I ask a question, I am visually impaired and cannot read printed words only on a screen. I am 51 years old and have been coding professionally since I was 23 (yes that long). I have four apps on the market and run a small consultancy company in the UK and my SQL knowledge is scant. I have read two books on the subject and thought I had an idea on how SQL works.

I used to belong to another forum but they gave me a hard time so please go easy on me.

I developed an ADO app ages ago and remembered some of it ...

I have four tables (the following is a simplified version of the real thing)

MainTable (Contact data like name address etc. 23 fields)
Towns (Two fields TownUIN and TownName)
Counties (Two fields CountyUIN and CountyName)
Countries (Two fields CountryUIN and CountryName)

My database is normalised to 3NF and contains no duplicate or redundant data.

My problem ...

Sample data

Main:
MainUIN MainName MainTown
1000 Fred Bloggs 1
1001 Fred Smith 2

Towns:
TownUIN TownName
1 Bradford
2 Leeds

SELECT MainName,MainTown FROM Main WHERE MainUIN=1000 returns
'Fred Bloggs' 1 (the TownUIN)

I want ...
'Fred Bloggs' 'Bradford'

It was suggested I use
SELECT MainName,MainTown FROM Main,Towns WHERE MainUIN=1000 AND TownUIN=MainTown
This returned 'Fred Bloggs' 'Bradford' but was slow.

My question is what am I doing wrong?

I am using SQL Server 2005 Express with VB.Net 2005 on Vista Business and XP.

I am sorry my SQL knowledge is weak please dont get angry just tell me the basic thing that I do not know.

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Jul 20, 2005

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Jun 19, 2006

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Feb 28, 2007

Hi,
I have a website which is designed to search for employee information. I have the search system working which does exactly what I want to, but as an added feature I want there to be a button which, when someone clicks on it, it takes whatever the previous search was and generates a set of data in XML format which is based on the results. For example:
User searches for all entries with Forename = John; Results are listed in a gridview as per expected.
User then presses button with XML on it, and page pops up with just the XML output on it, i.e. whatever results are on the gridview but in a nested XML format
<records>    <record>       <Forename>John</Forename>       <Surname>Smith</Surname>       <Email>j.smith@blah.com</Email>       <Ext>1234</Ext>       <DeptList>History</DeptList>    </record></records>
I have created a stored procedure which will take the parameters from the search boxes and return the above information, but I don't know if this is the best way. Here it is for those interested:
CREATE PROCEDURE ps_record_SELECT_NameSurnameEmailExtDeptasXML
@Forename varchar(50),
@Surname varchar(50),
@Email varchar(50),
@Ext varchar(4),
@DeptList varchar(50)
AS
SELECT Forename, Surname, Email, Ext, DeptList
FROM dbo.record
WHERE Forename LIKE COALESCE(@Forename,Forename) AND
Surname LIKE COALESCE(@Surname,Surname) AND
Email LIKE COALESCE(@Email,Email) AND
Ext LIKE COALESCE(@Ext,Ext) AND
DeptList LIKE COALESCE(@DeptList,DeptList)
FOR XML AUTO, ELEMENTS
If someone could be kind enough to help me out with this, I'd be really grateful.
Many thanks,
Tom

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Right Way To Retrieve Data From Sql-server

Mar 19, 2007

Last night I face performace problems in web site. I got like 100 000 users and site fails because of sql-connections.
Currently I'm making a new connection for every query, and my code looks like this:Public Shared Function executeQueryReturnDataset(ByVal strsql As String) As DataSet
Dim sqlConnection As New SqlConnection(Connstr)
Dim sqlCommand As New SqlCommand(strsql, sqlConnection)
Dim sqlDataSet As New DataSet

Try
sqlConnection.Open()
Dim myDataAdapter As New SqlDataAdapter
myDataAdapter.SelectCommand = sqlCommand
myDataAdapter.Fill(sqlDataSet)
Catch e As Exception
Console.Write(e.ToString())
Finally
sqlConnection.Close()
End Try
Return sqlDataSet
End Function I was wondering would it be better to save an instance from connection object to memory and use that same connection for all querys?

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I Can't Retrieve Data After Inserting It ?

Mar 1, 2008

Dears,
I'm using FormView to insert and retrieve data from SQL Server Database 2000. I'm using stored procedure to insert and display data by using C#.
Every time I insert the data, I can't retrive it. To retrieve all the inserted data, I have to close my website, and then reopen it again.
I close the connection every time after using the stored procedures, but nothing happened.
What do you think the problem is ??
 

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Mar 14, 2006

Let us suppose that there are 900 rows in One table, and that table contains neither primary key, nor Identity column.
How can I retrieve all the roows from 201 to 250?(like the middle limits)
In oracle there is a property called RowID, but is there any such item in SQL server?

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Jul 23, 2007

I wonder how to get top 1 row per account number. Let's say I have

--snip--
IDENTITY_ID | ACCT_NUMBER
0001 | 1111-2222
1001 | 1111-2222
2002 | 2222-0000
3003 | 2222-0000
4004 | 1111-2222
--snip--

I used the SQL-Query here


Code:


SELECT * FROM BACKUP_LOG ORDER BY IDENTITY_ID DESC
[code]

Since they are in descending order by IDENTITY_ID, so I only want to get 1 distinct account number somehow.. Like this...

[code]
4004 | 1111-2222
3003 | 2222-0000



I couldn't figure it out.

Thanks...

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How To Retrieve Data Randomly?

Jul 21, 2004

I have a table called Questions and I need to retrieve 10 rows of data randomly each time. If I use

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I'll get the same questions each time when I execute the sql statement. Is there a way to get the random data? Thanks.

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Feb 20, 2005

Hello
Is there any way in which i can retirve data using input parameters?

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Query To Retrieve Data From XML

Sep 9, 2014

Here is the sample xml

<ClinicalDocument xmlns:sdtc="urn:h12-org:abcd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="urn:h12-org:v3">
<realmCode code="US" />
<typeId extension="POCD_HD000040" root="2.16.840.1.113883.1.3" />
<templateId root="2.16.840.1.113883.10.20.22.1.1" />
<id root="226ff30f-3b1f-11e3-a969-005056bb0109" />

[code]....

how to write a sql query.

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How Can I Retrieve Data From One Table To Another

Jan 12, 2006

Hi, everione,

I am having a big problem, trying to create datebase.
I have 3 tables: SUPERAVATAR, MASTERAVATAR, MEGAAVATAR.
- SuperAvatars are heroes in an online role playing gaming. They have an ID, ‘superavatarID’ which contain an UNIQUE NUMBER NOT NULL PRIMARY KEY to identify them.
A wisdom – ‘trickster’,’conjuror’,’magician’, etc..
A current owner… who is the user or player of the game and has that Super Avatar– we associate the link to USERID to know the person.
SuperAvatars can be fathers or mothers of Mega Avatars.
-MegaAvatars are the children of SuperAvatars…. They also have an ID UNIQUE NUMBER NOT NULL PRIMARY KEY to indentify them.
A magic power – it can be a ‘Leader’ or ‘Sheep’…
A ‘parent’ – parent is the number identifying to know to who Super Avatar belongs.
e.g.
SUPERAVAT WISD CURRENTOWNER FATHEROF MOTHEROF
1 Thick 3 1
2 Mentally Ch. 11 3
3 Smart 9 2
4 Genius 16 4
5 Thick 19



MEGAAVATARID MAGICPOWER PARENT
1 MAGICIAN 1
2 WIZARD 3
3 SORCERER 2
4 MAGICIAN 4

-We see that MEGAAVATAR 1 has a magic power as Magician and his father is ‘1’. ‘1’ identifies the SUPERAVATAR.
We see SUPERAVATARID…. who has the number ‘1’? the first in the row… who has wisdom – thick and he belongs to the USER with ID number 3.
-We see MEGAAVATARID… we choose the number 2…. His magic power is as WIZARD… and his father is the number 3.
We see SUPERAVATARID now… we look up the SuperavatarID 3…. We can see he has a wisdom – GENIUS… who belongs to the USERID 16 and he is father of MEGAAVATAR number 2.
The list can carry on and never stop.

I have this Problems:
We create in this example 3 tables: Users, SuperAvatar, MegaAvatar

SQL
CREATE TABLE users(userID NUMBER CONSTRAINT pk_user PRIMARY KEY,email VARCHAR2(50) NOT NULL UNIQUE,password VARCHAR2(15) NOT NULL UNIQUE,subscription CHAR(8) NOT NULL CHECK (subscription IN('ACTIVE' , 'INACTIVE' ) ) );

CREATE TABLE superavatar(superavatarID NUMBER CONSTRAINT pk_superavatar PRIMARY KEY, wisdom VARCHAR2(19) NOT NULL CHECK (wisdom IN ('THICK', 'MENTALLY CHALLENGED', 'AWAKE', 'SMART', 'GENIUS')), currentOwner NUMBER NOT NULL, fatherOf NUMBER,motherOf NUMBER);

CREATE TABLE megaavatar (megaavatarID NUMBER CONSTRAINT pk_megaavatar PRIMARY KEY, magicPower VARCHAR2(12) NOT NULL CHECK (magicPower IN('TRICKSTER','CONJUROR','MAGICIAN','WIZARD','SORCERER')), parent NUMBER);

Now, the 3 tables are created…..
What happen when we try to insert values to this table?
In this case we insert to User Table some examples:
INSERT INTO users VALUES('3','john@hotmail.com','great78','ACTIVE');
INSERT INTO users VALUES('9','chrisandsandra@gmail.com','chrisandra)','ACTIVE');
Now, we insert to SuperAvatar some examples;
INSERT INTO superavatar VALUES('1','THICK','3','1','');
INSERT INTO superavatar VALUES('3','SMART','9','3','');
|
|
‘9’ is the UserID that we already insert to the User table
What’s the problem?
We have to insert manually the data from USERID to CURRENTOWNER as we didn’t match or link CURRENTOWNER from SUPERAVATAR Table to USERID from USER Table with a SQL CODE.
What happen if we have thousands of USERS that they register to this game…? We will never know to how belongs that SUPERAVATAR but if someone do it manually can spend a year.

I am trying to fix this problem …. I add in SUPERAVATAR TABLE ‘CHECK’ in currentOwner..

SQL> CREATE TABLE superavatar
(superavatarID NUMBER CONSTRAINT pk_superavatar PRIMARY KEY, wisdom VARCHAR2(19) NOT NULL CHECK (wisdom IN ('THICK', 'MENTALLY CHALLENGED', 'AWAKE', 'SMART', 'GENIUS')),
currentOwner NUMBER NOT NULL CHECK (currentOwner IN(SELECT userID FROM users)),
fatherOf NUMBER,
motherOf NUMBER);
*
ERROR:
ORA-02251: subquery not allowed here

It doesn’t work.

Please HELP, I have exam tomorrow

thank you
Desy

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Apr 26, 2006

palli writes "how to retrieve data from two tables..."

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Nov 29, 2006

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Hi, Im new to SQL 2005.
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Dec 3, 2007

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Jan 25, 2008

I need to retrieve data from 2 tables (I have a sp that populates each table) regardless if they have a match or not.

First table:
#JobListTable
job_date datetime,
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qty_delivered decimal(8,2)

Second table:
#EquentialJobListTable
job_date datetime,
job_number char(15),
job_phase char(15),
qty_received decimal(8,2)

There could be a match between the two tables, or a record could exist in one and not in the other. Result will be loaded into a DataSet and dataGrig

Can I use a join?

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