Retrieving Data From Ms Access DB To Combobox
Oct 15, 2011
i want to retrieve my data from my ms access database and i it gave me this error..
"Index was outside the bounds of the array."
i put my code on my radio button function because, what i wanted to happen is when the user selected the "vote by party list" selection the party list names will automatically load on the activated combo box.
here's my code..
Private Sub rbPartylist_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles rbPartylist.CheckedChanged
If rbPartylist.Checked = True Then
[Code]....
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Jan 3, 2010
I have a datagridview that is populated using an oledbconnection:
Private Sub FileSpecs_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim cn As OleDbConnection = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & My.Settings.DBLocation & ";")Dim cmd As OleDbCommand = New OleDbCommand("SELECT specFieldno AS [Field No],specFieldName AS [Field Name], specFieldType FROM fileSpecs WHERE ClientNo='" & ClientSetup.clientNo.Text & "' AND direction=" & ClientSetup.fileDir, cn)
[Code]...
The problem I now face is that the 'index' value of the combobox item for each row is in the field specFieldType which is populated into the datagrid.I need to be able to set the value of the ComboBox for each row when the form is opened, and also be able to save the index value of each row selection if any changes are made/saved.
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Mar 2, 2009
Dim cn As OleDbConnection
Dim cmd As OleDbCommand
Dim dr As OleDbDataReader
Dim intaccount As Integer
Try
[Code]...
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Oct 15, 2011
Below is my code for login page I would like to show login user detail on home. For login my code works properly but does not show currently login user show following error "NO data exists for column/row".
[/CODE]
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Login.Click
RetrieveUserPass()
End Sub
[code]...
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Jun 11, 2011
i am working on a module in vb 10..i have to retrive data from the database between two dates...i have used the following code but not able to get ny output,,nt even an error
Imports System.Data.OleDb
Public Class Form4
Dim con As OleDbConnection
[Code].....
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Mar 12, 2011
I'm working on this project and i need to retrieve data from my access database and display it on my vb.net windows application
i tried the code below..but there are still some errors on it..
[Code]....
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May 19, 2010
I am trying to build a front end for an access database I created I can connect to the database but when I try to pull data into a data grid view I get no results Here is the code what did I do wrong(I'm also new to vb)
search
Private Sub searchbtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles searchbtn.Click
Dim srval As String
Dim type As String
[code]....
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Jun 11, 2011
I am trying to retrieve data from a Ms Access backend DB. However, for some reason it is not working. Hence me asking for help lol. Here is my good faith effort
Public Class Form1
Dim dsMenu As New DataSet
Dim con As New OleDb.OleDbConnection
Dim dbProvider As String
[Code]...
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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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Jun 26, 2011
In my form, I have TextBox/ComboBox to add data into MS Access. There is a Seacrh Option too, When I search it, the results are shown on a DataGrid on same form. When I click on a particular ROW on the DataGrid, the info of that row are displayed on the TextBox/ComboBox that I have, I m using this code for that :
Dim i As Integer
i = DataGridView1.CurrentRow.Index
cboPoll.Text = DataGridView1.Item(1, i).Value
txtHn.Text = DataGridView1.Item(2, i).Value
[Code]...
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Mar 10, 2010
I have a databound combobox that contains 2 fields but obviously only 1 is displayed. My question is...how do I retrieve the field that is NOT the "Displaymember"?
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Jan 14, 2010
Retrive ms accees data in vb form using combobox control. If user select combobox vale 1 then record display in textbox.
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Dec 14, 2009
I know how to pull data from an access database and place it into a combobox, but I am trying to make certain that I dont have multiples of the same information.
Like one column is for countries of origin.
United States
Canada
Mexico
In the combo box, it should only list the United States only once, not multiple times.
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Mar 11, 2010
I have a problem in my code I can't seem to find a solution for.. One combobox is being filled up with a datatable like this:
CbUsers.Datasource = usersDAO.getUsers()
The getUsers() returns a datatable from my acces database. Users have a name and id, I want to use both of them but it should be something like this:
CbUsers.DisplayMember = "username"
CbUsers.valueMember = "userid"
In other words, I want to see the user name, but work with the user ID. So far the code worked, but it only displays stuff.
Now, in a method I want to use the id of the selected user in the combobox but that has been given me some trouble.
If I use this line I get a DataRowView: CbUsers.selectedValue
When I try to retrieve information from it, it throws an exception. I've tried lots of different code and it never worked..
If I put the DataRowView in a local variable and do this:
id = drv.items(0)
I only get exceptions..
way to work with a combobox that displays usernames but works with their id's?
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Jan 8, 2012
I am working on a small concept but since i am a novice in .net i am not getting the concept.I have 2 controls on the page.1st is Text Box: User enters the int value and that value is checked from database. In database there are 3 fields. One for ID, second for int value and 3rd for country.If the text box value in database is associated with country US then it should show US in 2nd control ( can be text box or combo box) in UI. Else for anything else it should show London.
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Jan 15, 2010
This is the code
Imports System.Data, System.Data.OleDb
Public Class Form1
Public CON As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source =" & Application.StartupPath & "\bible.mdb")
[Code] .....
I got that Error for
data2.Fill(ds1, "Bible")
Data type mismatch in criteria expression
the combobox1 value is numbers
I tried this code
Dim sql1 As String = "select distinct ChapterNum from Bible where BookNum ='" & Trim(ComboBox1.Text) & "'"
And this code
Dim sql1 As String = "select distinct ChapterNum from Bible where BookNum ='" & Val(ComboBox1.Text) & "'"
And it still got the same error.
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Jun 10, 2010
I have developed a drawing tool that allows the user to add graphically referenced database records to a picturbox.While for testing purposes i was simply loading any picture into the picture box what i want is on selecting a building name from a combobox that it automatically populates the related floor levels (that apply to that building)to appear as a selection in a 2nd combobox. On selection of say 1st floor i want to load the relevant floor plan (JPEG)image into the picturebox.The tool i have developed has an estate builder function where you ccan build your estate profile i.e specify the buildings and floors etc and these are added to a database file. What i would like to do is at the same time specify the floor plan JPEG file location and for this to be stored in the database in a way which would enable me to load the image automaticaly when i select the floor level
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Nov 2, 2009
I'm currently trying to add all the sections of a specified .ini into a combobox.[code]Now that's my section in the .ini, but it's scrambled and placed into multiple lines. I just want it on a single line as said in the .ini.Does anyone have any idea how to get values between brackets "[hi]" and place the value between the brackets into the combobox items?
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Jun 18, 2009
when this button is click, it will retrieve all the records in different fields in MS Access 2007 and display onto the RichTextBox. But when i run the code and press the retrieve button, an error occurs. (NullReferenceException was unhandled. Object reference not set to an instance of an object.) Plus im sure my code to display records on richtextbox is wrong as i created another project purely with a button and a richtextbox, only the last field in access is displayed.
Imports System.Data.OleDb
Public Class Form1
Inherits System.Windows.Forms.Form
[code]......
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Oct 24, 2010
I've been trying to get information from a Access DB that I have added into VB 2010, the code is as follows:
Imports System.Data.OleDb
Private Sub login_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmd_login.Click
[code].....
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Nov 7, 2010
Am using MS Access as my back end and I am having a table called "Dept" with 2 columns (dename & cname). In Vb.Net when I click a command button, all the data's of the first column should be displayed in ListBox1 and the Second column in ListBox2. I do not know how to proceed
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May 18, 2009
I have a problem when trying to retrieve records from my Access database through WCF. In my application the user enters a Customer ID and the function then searches the database and retrieves all records related to that customer. However, it isn't working as it should. The code behind the search button is as follows:
Private Sub SearchButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SearchButton.Click
[Code]...
this code isn't doing as it should. The DataGridView should display the records relating to a customer but nothing is being returned at all, I'm not even getting any error messages. I've been looking at it so long I must be missing something ,
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Jan 28, 2012
rs.Open("select * from CSOptions where OrderNumber = '" & cbstrCurrOrderNumber & "' and OrderLine = " & CBLI, strConn, 2, 2)
If rs.EOF Then
rs.AddNew()
End If
[code]....
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Mar 26, 2012
I'm trying to retrieve record data from an MS-Access database and store it into a variable. i'm using this SQL command to query the database: Dim cmdRead As OleDbCommand = New OleDbCommand("SELECT UserID FROM [User] where Username=?", conn) How do I do it in VB.NET to read data from the UserID column (in the db) and store it into a variable in VB.NET?
What I basically want to do is to retrieve the UserID so that I can then retrieve the Name and Surname of the user from the same table.
Note: I'm using ASP.NET with Web Develop 2003 and an MS-Access 2003 db.
[Code]...
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Jun 12, 2011
is there a way in storing image and retrieving images using ms access and display in picture box randomly or just like a slideshow?which slides form left to right?or vice versa..i have some codes here but i does not display.
str = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:Program FileschuloaderChu'sLoadComputeChu'sLoadComputeinReleaseImagebank.accdb;User Id=admin;Password=;"
[Code]....
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Jul 11, 2011
I've managed to get the following code...
[Code]...
To retrieve a list of Views in my Access database, but now I want to retrieve the results based on a selected View. Is there a correct method in doing this, or do I take the SQL Statement from the DataTable returned for each row?
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Jul 15, 2010
Although a few people around here have said that Dates are not a huge deal that they're simply data, I always seem to get stuck on them, and my current issue is no exception. I am trying to save/retrieve data between my Access 2003 data and my VB2005 form. I have tried any number of combinations (even the forbidden Value.ToString, and having the Data Type in Access as string, and although it worked fine for saving the data, it doesn't work for loading it back into the form.). Here's my code for saving the data to the database:
[Code]...
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Oct 16, 2011
I'm using a mysql as my backend database and i'm using the mysqldata adapter for binding the data, i have my data in the database, but the problem is i don't know how to retrieve it, for example when i want to add a record, before i add that record, i want to retrieve the data in my database to trap that the record i'm adding is an existing record
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May 2, 2012
DataGridView TIPs has TextBoxes and ComboBoxes in it and the data comes from an SQL table. I see how to get or set the cell values that come from the ComboBoxes using Item, but how do I access the actual ComboBox events and properties?
[Code]...
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Aug 3, 2009
Yes, you read it right! Exchange Server 2000. I want to create a script that retrieve information(ie. Last Access Time) of all the files that are place within the public folder of the Exchange Server 2000.
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