Display All Fields Of A Row From MS Access To A Listbox In .Net?
Mar 17, 2012
I'm trying to pull all records and fields from a MS Access table. My fields are: numOne, operator, numTwo and result. I'd like to display those fields in a listbox as the following output: 1(numOne) +-/*(operator) 2(numTwo) = 3(result) or simply 1 + 2 = 3. I was able to get some coding going. The problem that I have is that I'm not finding a way to add the fields on the same line, since I can find the right syntax to have all fields added together.
Dim ConnString As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:UsersLeo DaCostaDesktopAPUVB AdvancedDaCosta Weeks 5-6MathOp.accdb"
Dim mySelectQuery As String = "SELECT * FROM MathOp"
Dim myConnection As New OleDbConnection(ConnString)
[code]....
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May 27, 2012
I'm trying to create a table in Word using data from a table in Access. There are four fields in the access table that I need. 3 fields are text which I can populate the Word without any issues. However the fourth field is a memo with >255 characters.I'm struggling to come up with the proper code to allow me to populate the Word field with the memo data that has more than 255 characters. The code I have so far is listed below. But when it hits the memo field, it crashes on the line I marked with **. I know it's not text, but I've tried many different field types, but nothing has worked so far.[code]...
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Jul 9, 2011
I need to populate a listbox with my MS Access data (database consists 1 column). [code]...
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Oct 29, 2010
Ok, so I`ve been studying a bit of VB lately.. bought a few books and read lot`s of articles and seen hours of instructional videos, and I slightly start to get the hang of a few things.. :) I`ve recently started a fun little project, but I seem to lack a bit of knowledge to reach my goal. I`ll first try to describe my project:
[Cde]...
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Apr 22, 2010
I am using the code shown below to compare two Access databases with two fields each and write the results to a third Access database. I am getting an error at the "Do While DMReader02.Read = True" line: "Invalid attempt to call Read when reader is closed." Why would the reader be closed at this point if I am using different DataReaders in the two loops?
Imports System.Data.OleDb
Partial
Class Form1
[code]....
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Jul 14, 2011
I need to populate listbox datavaluefield with multiple field. The value will be coming to datatable - (dataset). I can't change the sql statement because it is under stored proc that uses globally lstSearchResult.DataSource = dt lstSearchResult.DataValueField = "EMP_ID" & "LNAME" &"ADD" ->> could it be possible lstSearchResult.DataTextField = "LNAME" lstSearchResult.DataBind()
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Aug 14, 2009
I have a form which is divided into two portions vertically. The first portion contains an listbox in which the user can add names of their family members, and the second portion contains editable fields for details the family members.
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Mar 6, 2012
I want to ask how to display the fields in Crystal report from different tables. I have this line of code:
[Code]...
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Sep 24, 2011
Imports System.Data.SqlClient
Dim con As New SqlConnection
Dim cmd As New SqlCommand
[code].....
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Jan 3, 2011
i have this code which i am using to display data on fields on form.And if i read from the database and the reader has no rows the ballon tool tip should display from some time indication a message.The problem is anytime i select from the database and the if all reader doesn't have rows only the last message of the ballon shows.the rest doesnt.Please what have i done wrong
[Code]...
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Aug 7, 2010
Is it possible to select an item in one listbox and then display the data of another listbox with the same indexed position? I am planning a project and this is something I would like to attempt but I haven't figured out how to do it.[code..]
I tried doing the above code but instead of displaying the listbox text the message box just returned false.
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Mar 26, 2012
i am created a form with DataGridView Binding with ItemStock Table
Table Name is ItemStock
Table fields Names are
Item_Stock
[code]....
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Aug 29, 2011
i am doing a small project for my business and i got stuck with this 2 weeks ago and still no progress.I have an access db table "store" that has columns: (filldate,brand,model,plateno,mileage,litres) where i am storing these info each time a car in my company fills gas. For example (8/25/ 2011,Renault,Megane,5487844,3943,20).What i want to do now is to display in a datagrid the total consumption of gas (litres) with the kilometers driven (mileage) between 2 dates.
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Dec 20, 2011
Can I display two fields of a data in a combo box. E.g. when I have to select a customer, its name and city should be shown.... Like...
M/s Ananad Traders, Mumbai
M/s Anand Traders, Kolkata and so on.
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Oct 14, 2011
I am new to VB.Net and was using VB 6.0 for the last 10 years. I am having some difficulty in accessing fields and changing these.[code]...
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Jun 23, 2012
I enter Names and scores from a text box. Once i press "show me the array" my listbox gets populated with the names and scores. [code]...
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Jun 22, 2010
How do i find out the number, names and datatype of fields in an Access table
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Apr 3, 2010
I am trying to enter a record into an Access database via visual basic programatically.I had this working fine when I had the datagrid bound to the database but now I have decided to do it all at runtime to save on resources at runtime.When I unbound everything and tried running it with my existing code
Try
ds.Tables(
"tblProduction").Rows.Add(row)
[code]....
This is the line of code that has to have another 30 entries in it.
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Jun 12, 2011
Does anyone know how to sum fields in ms access using SQL and then place it in datagridview? I have a ms access table with fields 'Points' and 'FacultyID'. I would like to know how to sum all values on 'Points' field and place it in datagridview. Also, I would like to know how to filter values from 'Points' based on selected 'FacultyID'.
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Jan 5, 2011
I have been tasked with writing a program for our yearly reviews. We want all of the information gathered in the form to be submitted to an access database. I have created the form and the database. I can send info to the database but it is put on a new line everytime it is submitted. I would like to check the first column of the table to see if the user login is already there. If it is there I would like to update the information. If it is not there I would like to create a new row. This seems simple, but I can not figure out how to see if the user login is already there.[code]...
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Jul 13, 2010
I would like to update some fields in access using visual basic(2005).
I established the connection with the DB(access 2000) and when I run the program I edit the fields on DataGridView.
Then I click on the update button and when I access again my DB I don't see any changes... :s
Code from my updateButton:
Me.TableTableAdapter.Update(Me.TestDataSet1.table)
I dont have any problem with the conection to the DB and when I run the program I see all the fields from the DB(it has 2 fields).
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Jun 20, 2011
I'm facing a problem with my current member card reader development.
I'm reading the card number (just a serial number of 4 digits) with a card reader. this seems to work fine (even converting the text string to integers).
This number is then put in a query to find the exact record that corresponds with this number
Me.JSM_LedenTableAdapter.GetDataByKaartnummer(IntCardNr)
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Apr 9, 2012
so far i have this for my code:
Using myConnection As New System.Data.OleDb.OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & databasePath & ";User Id=admin;Password=;")
[Code]......
This did not work but did when i just tried creating the table and not the fields.
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Mar 30, 2010
I use the following code in vb.net to search across several Access database fields, which works well, is there a way to find out WHICH field had the search data in?
[code]
Public Function Incomming_Number(ByVal strNum As String) As String
Dim oConnect As New OleDbConnection
Dim sql As OleDbCommand
[code]....
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Feb 22, 2011
I have noticed that whilst in the past using MS Access you could have a primary key field on a form and have it not visible. You could still use it for Dlookups etc using the value in the field no problem even though it is not visible. In Vb if i hide a textbox that is bound to a PK field in a datasource and try to use its value in code i get an error. Making the field visible again prevents the error. My goal is to use a PK bound textbox not visible to the user but still read its contents.
Also, what is the equivalent of a simple DLOOKUP in VS2010? EG. You have the PK and want to know, say 3 other pieces of information from the record based upon the PK you have.
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Apr 17, 2009
I've been attempting to tinker around with connecting a MS access database to a vb 2008 app. I've successfully connected and can access the data by using the add data sources tab. But what I'm trying to do is create a form that has a (1) single line text box, (1) button, and (1)multi line text box. I enter a name in the single line text box, click the button(search db), and when the info is found, it is displayed in the multi-line text box.
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May 12, 2010
Im not too sure if this is the correct place for this question, but I couldn't find anywhere else..Heres what i want to do. I have two tables in an Access DB. TableA and TableB. Each Table has only one column called Picture, and that column is filled with the names of pictures (picture1, picture2, picture3, etc)
Thing is, that The pictures in TableA have equivalent pictures in TableB. They are not named the same, but the pictures themselves are the same i.e.: TableA Picture1 = TableB Picture3, TableA Picture2 = TableB Picture5.
What i Would like to create is a form that has two datagrids, or Listboxes populated with the data from each table. One for TableA, One for TableB. When the User selects a picture from one of these controls, The other control must show which picture the selected one corresponds to (if i select TableA Picture1, TableB Picture3 becomes selected showing that they match)
I think that most of the work will be at the actual DB, somehow linking each and every field, maybe a one to one link between fields/cells in the DB, then in VB calling that one record that was clicked on, seeing what relation it has to the other table,
[Code]...
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Jan 21, 2012
I have finished my database using Dreamweaver ASP VBScript and Access, the only thing left is to create the searching system. My search form works fine when posting just one filed. The results page Recordset goes as follows.
Code:
I need 7 different fields on my search form, this what I did but it doesn't work.
Parameters:
Name: MMColParam
Type: Text
Value: Request.Form("Ref")
Default value: 1
Name: MMColParam
Type: Text
Value: Request.Form("New_resale")
Default value: 1
"Price" is a special one because this is a list menu with different amounts, like 50.000, 70.000, 90.000, and so one. The idea is to make this list menu post to the result page, only to display records under or equal to the given value. less or equal > than 50.000 or 70.000, etc.
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May 19, 2010
I have to update some fields of a table of access according to the value of parameter. If this paramter is "true" I need to update.
Table
idInvoice
price
[Code].....
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Oct 7, 2011
how to update fields in an Access database through VB. What I'm supposed to do subtract the quantity of the daily orders from the inventory quantity. My textbook is a little bit vague at this point, because the only way it describes updating the DB is manually through the BindingSourceNavigator. I don't want to enter it manually, I want it to subtract the quantity from the orders table.
Public Class frmMicroland
Private Sub frmMicroland_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code].....
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