[2008] Multiple Results - Data Entries In My Database That Have A Common Field

Jan 31, 2009

I have data entries in my database that have a common field. For example:

account_id type user_id

1 new 1
2 old 3
3 new 1
4 old 1

I am using a query like this(mysql): SELECT account_id, type, user_id FROM table WHERE user_id = 1

This is just all theoretical. The problem that I am having with this is it is only returning the first result in this case account_id 1. How can I get it to find all the results with the user_id 1 because in the way I am thinking that it is failing is that it is finding only the first result and then ending?

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Algorithm - Take A Database With Multiple Entries Of 11 Digit Number?

Jun 21, 2011

I am trying to take a database with multiple entries of 11 digit numbers and run a check sum algorithm that adds the 12th digit to the 11 digits as an output.The algorithm is as follows:

Add sum of odd digits starting with first digit, then multiply by 3.

Add sum of even digits, then add to result of odd digits multiplied by 3.

Take result and divide by 10. The remainder is the check sum which needs to be added to the end of the original 11 digits.

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Sep 2, 2010

I am working on getting a multiple values from a single column displayed in a single textbox or label. I know I should be able to find the information I need online, but I am coming up empty. I am using Visual Studio 2010 with SQL Server 2005. For example, I want to pull all the email addresses, that have a value, from a table and display them together. The output I am looking for is like this:

[Code]....

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saving data from a text field and multiple combo boxes to a file on a server in visual basic 2008

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String Search Listbox Entries To Avoid Duplicate Entries In VB 2008?

Nov 29, 2009

I have a program where you have three entries, CD name, artist, price and it goes into a listbox and .txt file when closing. I have to have a message box if you enter the same CD name. I have a code to open the .txt file and compare strings but I need to change it to compare only the CD name and not all three entries. Is there a way to do my string compare against my listbox without opening the .txt file?? The program loads the listbox from the .txt file when opening. Private Sub btnAdd_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnAdd.Click' adds CD information to the list box

' declare variables
Dim strName As String
Dim strArtist As String
Dim strPrice As String

[code].....

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VS 2008 Relational Database Entries?

Jun 27, 2010

I created a simple database that has 3 tables & 2 joint tables for data entry purposes.The tables & fields are listed below. All items that appear in red are the primary keys

Employee
EmployeeID
- FirstName

[code].....

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Nov 10, 2009

How can i select all the entries from a field?

e.g. here's the database:
| Username=Password |
| Nick=23123|
| John=asdf|

[Code].....

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How To Prevent .net Combobox From Displaying Multiple Results From A Single Data

Dec 9, 2010

I am currently having a headache on how to solve this problem that i am facing.here is the situation:I have a combobox and a list box on the main form. The combobox will get the data from the ms access database.In the database, i have the details of a person's IC, Name and DOB say for eg on one entry I have D215311523C,SHAWN,13/04/1987

So now, my combobox on form load will show the list of dates in the database to allow the user to search base on the date itself by clicking on the selected date. So when the user clicks on the particular date say 13/04/1987, people in the database whose birthday is 13/04/1987 will be shown on the listbox.Meaning to say if i have 3 entries whose dates are the same 13/04/1987, 3 entries will appear. If there is only two entry, then two results will be shown.

[Code]...

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Mar 4, 2010

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VS 2008 Connect Database Field To Database Field?

Feb 16, 2011

I created a local Database in VB2008 with 4 tables, the problem is that I have a textbox in one table and a combobox in other table and I want that the information that I put in textbox appear after in combobox from the other table... that's possible?

Table: Filmes ... Field: NomeTextBox
Table: Tempo de Aluguer ... Field: Nome_FilmeComboBox

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Dec 29, 2011

I have three dropdownlist which values are to be inserted in one particular field in the database. But i am new to ASP.

This are my following codes:
Dim strConn = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString
Dim myConn As New SqlConnection(strConn)

[code].....

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Multiple Data Items In Single Field?

Apr 30, 2009

What I'm trying to do - VB 2005 express and sql 2005 express editions - Trying to set up just a basic hardware/software inventory program. As is I've got separate tables for computer and software licenses...with ComputerID and LicenseID primary keys respectively...where I'm bumping into walls is that I wanted to be able to link them together with a foreign key, for example the computer record would have a foreign key for LicenseID and when a license would get installed the ID would go in and there'd be a nice pretty link. However I run into scenarios where a computer might not have any software installed...or might have more than 1 software item. Or a single software item may be installed on 1 computer, multiple computers, or nowhere. It possible to have that single foreign key field link to multiple records from the opposite table?

What was originally suggested to me was to have a 3rd table called Installations. It'd have 3 rows...one named InstallationID as the primary key, and 2 foreign key rows named ComputerID and LicenseID that linked to the other tables, so that when a license was installed, a record would be added to the Installations table, and later on when we wanted to see where all a particular license was installed or what licenses a single computer had, the table could be filtered by computer ID or license ID and all matching records could be displayed. When I tried that out though I'm having a heck of a time getting the correct items to display.

Just as a basic test i set up a new form and dragged the tables onto it from the Data Sources window using "Details" view for each of them, so that it set up the table adapters and binding sources and navigator for me. I got rid of the auto-added labels + textboxes on the form and added just a couple new textboxes, 1 linked to the licenseID and one to another row i had in that table for productkey...tested it and it moves through the records fine and the correct data shows up in each box to correspond with the other. now though I'd like to add another control to display each of the ComputerIDs that are linked to the particular license being displayed in the other controls via the foreign keys routing through the Installations table, but I'm not having much luck.

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May 11, 2011

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Jul 22, 2010

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Member Information
DVD Information
Borrow DVDs

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SELECT [Member Information].[Member ID]
FROM [Member Information]

but that has been coming up with error codes and completely not working.

Borrow DVDs table fields are: Borrow ID, Member ID, DVD ID Number, Hiring Fee, Borrowing Limit?

DVD Information table fields are: DVD ID Number, Title, Rating, Hiring Fee, Borrowing Limit Member?

Information table fields are: Member ID, Family Name, Given Name, Address, Town/Suburb, Postcode?

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I Following code I am using for single entry:

Private Sub Button1_Enter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Enter
Dim query As String

[code]....

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I am trying to delete multiple selected entries from a listbox. When I run the code I have now, instead of deleting all of the items that are highlighted, it deleted all the items in the listbox.[code]

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Oct 5, 2009

I have a problem, again. I don't know how to store multiple entries from one listbox into one cell from the database.

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I'm new to the .NET platform (old-time ASPer) and for a project have a simple pair of .aspx scripts that take some querystring data and process it. They both make use of the same Subs, Functions in them, so naturally I'd like to move the code to a common resource.vb file. Having done some reading, it looks like my options are a Code-Behind type setup, and placing the Subs, Functions in a .vb file and placing that file in App_Code.So, the Code-Behind model doesn't seem to make sense here, as the functions are shared by both files. Placing the Subs and Functions in /App_Code/resources.vb and I am getting the following error when trying to call any of the routines:

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[2008] Count The Database Results?

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I am using a mysql database and I am trying to get the number of results. I should only have 1 result because this is for a username/password login. I tried this

If loginReader.HasRows Then
'do whatever here
Else
'do something else here
End If

The loginReader gets the results and does the ExecuteReader. The problem with this is that if I use a good username and password it works but if I put in a bad username and password it doesnt do either one of them. Any ideas on how to just count the number of results?

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I am using Visual studio 2008 to build a web application. What I am trying to do is retrieve data from a database and populate text boxes based on the results.

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Jun 1, 2012

I have the following code to try and change a field in a Microsoft SQL database. I don't get any Exceptions when processing the code but I use the Microsoft SQL Management Studio to view the data before and after but the data does not change.

myDataAdapter.SelectCommand = New SqlCommand
myDataAdapter.SelectCommand.Connection = New SqlConnection(myConnectString)
myDataAdapter.SelectCommand.CommandText = mySqlString

[code]....

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Mar 19, 2012

i have an access 2007 database in wich i have a table named abc_PersonalLog, wich also has three columns: Id (auto number), StarDate (text) and LogEntry (Memo). It is a Diary application. So, when the user makes a log entry, the StarDate column receives a string formed of concatenated year, month and day, i.e. if date is 20th march 2012, the string will be 120320, and the Log entry column, the text entered by user in a textbox.My problem is that, somehow, i have to retrieve that data, when the user will want to read log entries he made. I managed to assign the text property of a label to the LogEntry text for a given date.But, if the user makes multiple entries in a single day, the table will have several rows containing the same string in the StarDate field, but different text in the LogEntry fields. How can i display ALL the LogEntry texts for all the rows containing the same StarDate value? Here is my code so far:

[Code]...

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DB/Reporting :: Database Unrecognized Field, Can't Insert Data

Apr 19, 2009

I've been staring at this and can't seem to come up with a solution. I've tried several different methods that i found on the web but to no avail. I'm hoping you all could take a look at the code below and give me some direction as to why I'm receiving the error "The INSERT INTO statement contains the following unknown field name: 'Deposit_Date' . Make sure you have typed the name correctly and try the operation again. Sorry if it's kinda jumbled below

Code:

Dim SQL As String = "INSERT INTO Deposits ( Deposit_Date, Deposit_Time, Location, Miscellaneous, " & _
"Miscellaneous_Adjustment, Dispense, Dispense_Adjustment, " & _
"Replacement_Card, Replacement_Card_Adjustment, Deposit, " & _

[code]...

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Public Class Form2
Private Sub btn_search_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btn_search.Click
Dim str_search As String = txt_search.Text
Dim str_dob As String = txt_dob.Text

[code]....

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