Deduct Qty From Database?

May 17, 2012

how to deduct qty from data base i have used this sentex to deduct. cm1.CommandText = "update inventory set qty=qty- " & cust_gv.Rows(i).Cells(3).Value() & " where item_name='" & cust_gv.Rows(i).Cells(1).Value() & "'"

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Deduct Method Not Active?

Jan 31, 2010

Trying to make a calculator. What this subroutine is intended to do is filter out the negative numbers before (accomplishes the task) and also increment the count, n=n+2 so a subtraction can occur (not adding to). Alone the program runs but in the whole it does not. After debugging n has not increased which means the inputs between fuse together to make one bigger number which is bad. For the input1 minus input2 to occur the num1lock must latch to get a valid answer (this does not happen).

Private Sub Button12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button12.Click
'-subtract sign
j = 0
If n = 0 Then

[code]....

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How To Deduct From A Specific Column

Nov 15, 2011

deducting from customers purchases. The fields look like this:

tblStocks:
Name Type Qty
Pencil 2 15

[code].....

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Deduct Lates In A Time Calculator?

Jun 18, 2012

i created a text box that will contains the number of days in a month so i will just devide the number of days into theirs monthly rate so a can get their daily rate then i created a seven text boxes for a single day. the first txtbox is for the AM IN 2nd is for OUT 3rd is for PM IN 4th is for OUT the 5th is for the result of total hour in the AM and 6th is for the result of total hour in the PM and the 7th is for the total of 5th and 6th textbox and another textbox that will contain the earning for that day but i can only that accurately if i can deduct their lates on their schedule. w/c is their daily is deducted 1.16 per minute of lates and under time. this is the code i used on how will i get their working hour

Dim d1 As DateTime
Dim d2 As DateTime
Dim ts11 As TimeSpan

[code]......

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Deduct Some Amount (i.e User Input) From Main Loan?

Jun 6, 2011

i want to deduct some amount(i.e user input) from main loan taken by employee and remaining amount again come as balance loan amount and on nxt month again the some amount should deduct from balance loan amount.

my database is in ms-access and i use vb.net..

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2005 - Login With Database - Only Get Latest Data On Username And Password Column On My Database

Jan 14, 2011

I have code on log in form but it only get the latest data on username and password column on my database

Here is my code

Public Class Users
Dim MyLogIn As New myRecords

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles

[CODE]...

This is my connection:

Imports MySql.Data
Imports MySql.Data.MySqlClient

Module myconnect

[CODE]...

This is my record:

Imports System
Imports System.Data
Imports MySql.Data
Imports MySql.Data.MySqlClient

[CODE]...

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Add An SQL Database File Using VS 2005 Getting Error Message Saying Version Of Database Server Not Supported?

May 18, 2009

I recently upgraded the MS SQL Server installed on my personal computer from 2005 Express to 2008 Express. Problem is when I try to add an SQL database file to a project using VS 2005 I get an error message saying that the version of my database server is not supported, I must have SQL Server 2005 Beta 2 or later installed. I didn't do it yet but I'm pretty sure that when I open the other projects that I included a database file to it, I'm going to get the same error.
My question is it possible to have two SQL Servers installed on my machine? If so, is it a good idea to have two DB servers in the same machine?

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DB/Reporting :: OLE Database Access - Move My Programs And The Database To Another Computer And Hard-disks

Apr 21, 2008

I want to move my programs and the database to another computer and hard-disks. It looks to me as though I nearly have to re-create the controls and rewrite some of the code to make it so the programs still work after the move. At least with ODBC all I would change was the DSN definitions external to the programs. Is there an easy way to move or rename a database without loads of work?

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MS Access Database To Make Program Interactive But Cannot Get The Database To Update With The Entered Data

Apr 20, 2010

This program is very difficult for me, but I must get threw it or I cannot finish... What I am doing is making a Database of foreign Languages with the spelling of the words and the pronounciation inside the database... The USER enters a paragraph of words into the translator textbox and pushed translate. The program has a DATABANK of words with the phonetic spellings and matches the word, then translates to phonetics. The problem is that new words keep appearing inside the language. So I incorporated a Database of 2 fields

[Code]...

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Use 'Data Source' Tab To Create Database Will That Database Be Automatically Created / When Use Software On Another Machine?

May 18, 2010

When I am developing an application and I use the 'Data Source' tab to create a database, will that database be automatically created when I use the software on another machine?

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Add A Remote SQLServer Database To My Database Explorer Window In 2010 Express?

Feb 14, 2011

I'm trying to use LINQ to SQL in Visual Basic 2010 Express.

It allows me to create the .dbml file, but in order to drag items from the Database Explorer window to the design surface, I first have to get my database listed in the Database Explorer!(this is a remote SQL Server database - not a local .mdf)

I already have a good, working connection string to the remote SQL Server database, but that doesn't help me when I'm trying to generate the DBML at design time.

Can anyone tell me how to get my remote SQL Server database identified in the Database Explorere window? When I try the "Add Connection", I am limited to Access, SQL Server Compact, or SQL Server Database File. If I try to enter the IP address & port of my DB Host I get a 'database file does not exist' message. Doesn't seem to want to let me point to a remote DB server...

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Database Application Does Not Work On User Machine If Database Is Password Protected?

Jan 20, 2011

In vb.net I am using password protected database with following connection stringconnetionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:vaivaiDB.mdb;JetOLEDB:Database Password=secret;"Database access works fine on the development machine.

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Database Error - Application When Installed, Doesn't Read Values From Database?

Jul 20, 2011

When I install my application, some forms are unable to connect to the database.

I say some because, when my login form works totally fine. Authentication happens.

But once I go into the main application, and open other windows, I start to get these error mesages:

[URL]

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Developed Database Project On Vb6 Using Adodc And Datagrid Using Ms Access Database File?

Mar 2, 2010

Friends I have Developed my Data base Project on vb6, using adodc and datagrid using ms access database file, it was working nice in vb6, I also put Search box there and used adodc1.recordsource="select * from table" sql query.

later i needed to convert it in vb.net I converted it, every thing is working fine, but one problem appears, an adodc's Recordsource query for searching records is not working, it only works if there is data in dataset (Datagrid),suppose once i pressed search button to search record and if no record found then dataset / datagrid becomes empty, now i wanted to search an other record with other name, but this time it does not work and following error appears Either BOF or EOF is True, or the current record has been deleted. Requested operation requires a current record.

[Code]...

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Firebird Database - Combined All That Data Into One Database File Called RECDATA

Jun 22, 2010

I am sitting with a situation that I have to combined (3 years) for 26 site of 29000 database files where there is 1 table in each data base called RECDATA, I need to combined all that data Into one database file called RECDATA.

For example there is a database called DB1 with a REDATA table inside it, and then DB2 with a RECDATA table inside it, DB3 with a RECDATA table inside it est. So I need to put all the Recdata into 1 Database file, or to copy all the RECDATA from all the database files to 1 RECDATA they all have the same columns All I need is to get all that data into 1 RECDATA table.

The program where this database comes from is a voicerecording system creating a new database every day. There is 1 database just for indexing (to view the recordings) and then the daily database is where the recording lies in, that Colum is called RECFILE. I will give you a example of the 2 database.

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IDE :: Failed To Retrieve Data From The Database, Database Vendor Code 9421?

Jan 17, 2011

I have a report made in Crystal Reports XI. The report is generated and exported to PDF in visual basic script using COM interface. Generally everything is running smoothly, but in one case generation breaks with error: Failed to retrieve data from the database. Details: [Database Vendor Code 9421]

Database used is MSSQL 2005 connected over ODBC to CR XI. When I am opening report with exactly the same parameters in Designer, everything works fine.It looks like it is data related, but it is hard to trace since the whole report is pretty sophisticated. Anyway I spent half a day on crawling over Dr. Google and it seems that he has no clue what might be an issue.

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IDE :: Pull Data From Source Database, Manipulate It And Push It Into The Destination Database?

Jan 22, 2009

I have VS 2005 installed in my sytem fyi.We have two databases, say source database and destination database. The databases is in Oracle. Now we need to pull data from Source database, manipulate it and push it into the destination database on daily basis.We are planning to use VB .Net for this and would like to know if this is feasible. Using windows forms through VB .NET, is it possible to create a exe and schedule the exe on nightly basis to pull the data from source to destination.how to do this as for manipulation of data, there is no intermediate database for us?

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Make A Database Application That Can Write/retrieve Cells/datasets From/to A Database

Apr 8, 2010

i need to make a database application that can write/retrieve cells/datasets from/to a database i buyed a book in there was an example of how to create a database application while debugging i had the "Object reference not set to an instance of an object." error and it highlighted this code

objDataRow = objDataSet.Tables("KlantenTable").NewRow
now the problem is here i declare something later in the code i write to it
objDataSet.Tables("KlantenDataTable").Rows.Add(objDataRow)

[Code]....

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Save Data In Microsoft Access Database And Retrieving It Back From Database?

Nov 19, 2010

can anyone teach me how to save data in microsoft access database and retrieving it back from database?[code]so, how do i save it in that and how do i load their data by typing their ic no only..

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Created An Access Database - Display Items In The Database Base On The Criteria Selected By The User

May 29, 2009

I have created an access database which i want to search with vb.net, I tried a few thing but it didnt work as desired.

Firstly the program is suppose to display items in the database base on the criteria selected by the user. what i've succefssfully done so far is I've added a datagrid 2 combobox, 1 (searchcbo) with the columns in the database and the other (searchcbo1) will autoload the items under the column selected in and a button (searchbtn) but i have no clue of the code to put in the button. i also tried the fill method but that didnt work as i wanted to. ultimately i want a combobox with the list of columns and a textbox to enter criteria and of course a search button.

The searchbtn should act as the "WHERE" sql command, e.g. SELECT EmployeeNumber, Firstname, LastName, Phone, Location....etc FROM CallLog WHERE searchcbo.text = searchcbo1.text And display the results in the datagrid.

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'TODO: This line of code loads data into the 'CallLogDataSet.CallLog' table. You can move, or remove it, as needed.
Me.CallLogTableAdapter.Fill(Me.CallLogDataSet.CallLog)

[CODE]....................

Attached image(s)

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Database Sql Server Compact Edition 2005 - Save In A Database - Column Cannot Contain Null Values

Oct 15, 2009

Ive created one database Sql Server Compact Edition 2005, with one table ("Cliente") I know that I can created my database good, but i have a problem saving information since three textbox, in my table(With columns "Nombre" "Apellido" "Cliente". In my form there is a button save ("Guardar"). When I do click in my button appear the next message : "The column cannot contain null values. [ Column name = Nombre,Table name = Cliente ] " and happen the same with apellido and Id_Cliente. And this happen becouse my code cant save the information....

This is the code

Option Explicit On
Option Strict On

Imports System
Imports System.IO
Imports System.Data

[CODE]...

And the code for my button is:

Private Sub cmdguardar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdguardar.Click

Dim myconnection As SqlCeConnection
Dim mycommand As SqlCeCommand

[CODE]...

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VS 2005 Database Coding - Modify The Above Code To Fetch All The Rows Starting From The Begining From The Database?

Jul 13, 2009

I did the following


Imports System.Data
Imports System.data.OleDb
Public Class Form1
Dim con As OleDb[code].....

By this i can fetch only one row(the last row) of the access....how to modify the above code to fetch all the rows starting from the begining from the database..........

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Copy The Textbox Fields Into A New Database And Then Delete This Entry From The Database?

Nov 7, 2009

[code]....I have a dialog that comes up and asks for a reason for declining the business.I don't want the code to move on after not enabling the "me" until the reason has been entered and saved into the database. Also, at that point where it says "I WANT...." I want to copy the textbox fields into a new database and then delete this entry from the database, how can I do that. I am using VS 2008 and SQL.

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Database Population - Display All The Data From The Database In A Table On Form?

Jan 14, 2009

I am using the tutorial posted here for my database testing. I have gotten it to display the data using a messagebox but it just goes through them 1 by one. I want it to display all the data from the database in a table on my form.

Using connection As New SqlClient.SqlConnection("Server=71.200.87.112MySQLExpress; Database=database_test;User ID=sa;Password=greddy6;Trusted_Connection=False;")[cod

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Database Update - Using OleDbDataAdapter To Insert New Values To Access Database

Jun 6, 2010

I created a dataset and i am using OleDbDataAdapter to insert new values to access database. But when i close the program and after open it, values are not in the database. How can i solve this problem? Also, i have another problem. When i write codes that

[Code]...

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DB/Reporting :: Copy A Table From A Network Database To A Local Database

Mar 30, 2008

I am trying to copy a table from a network database to a local database. I used DAO and could check if the network table existed using a function that tried to assign a TableDef object to the table in question. If there was no error then I assumed that the table existed and the function returned true...Or it would error out and return false.I could then proceed with the copy or not as the case may be.I am converting the code to ADO.net and need to know how to check for a table. [code]

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Form That Cycles Through A Database Table With Next And Prev Buttons Database?

Sep 11, 2010

I have a form that cycles through a database table with next and prev buttons Database name is "China.accb" and the table is called Users Table Users has two fields, both text.One is called UserID and the otheris Password"am getting an error message when I try to click the next button that states: "Unable to cast object of type "System.String' to type System.Windows.Forms.Textbox'. I've highlighted the line causing the error below

Imports System.Data.OleDb
Public Class frmUsers
Dim intMaxRows As Integer

[code].....

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Incrementally Backup MS SQL Server 2005 Database By Program That Uses The Database Also

Oct 19, 2009

before re-inventing the wheel, i want to ask you how i can do this best: I have a VB.Net application that uses a database connection to MS SQL Server 2005 (express version). There are users that input data with the application into the database lets say once to 2x an hour to once a minute. I want to do backups like this: Once a day or once a week (in the evening) a full backup, and whenever the program/user is idle for lets say 10 Minutes, i want to do an incremental backup (so that it does not take so long until he can work on after the backup).

There are no big security issues, just copying the backup data files to a network share / a different computer or server would be fine. i guess the average db size may be 300MB, but the daily increments about 1MB.

[Code]...

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OleDb - Make Path To Database Relative And Save Database?

May 1, 2012

1. First off, how do I make my path to my database relative? The path is currently absolute and is: Data Source=J:/College/AS_DSFinalDatabase1.accdb

2. Second of all, where do I save my database in the project? I want it to be included in like project folders...kind of like the App_Data folder in ASP.Net.

3. I'm recieving an error whenever I try to populate more than 1 DataGridView upon form load for some reason...I've tried 5 different ways of writing the code, and I get the same error...there's no error description, so does anyone know what the issue is? Here's the error:

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Sql Server - Convert A SQL Database To A DBF Database Without Provider Using Text File?

Jun 8, 2011

I work with vb.net I have a sqlServer database and i need to migrate to a DBF database.I know that a dbf file sctructure is a hexadecimal text file.I want to generate this file without a provider...building this file with this hexadecimal structure.

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