Populate Combox Based Upon Selection Of Another Combobox?

May 17, 2012

I'm new to programming and I'm using vb.net 2010 and I'm stuck with this problem. So here are the details, I have 2 tables in my database, a product table and a category table. In my product table I have product no, product description and category no. In the category table i have category no and category desciption. So this is where Ive been stuck for the entire day, I want my combox(product) to populate based on what is in the combobox(category). For example I have "Chair" in my combobox(category), then what would appear in the combobox(product) would be "sofas", "dining chair" etc.'the part below is where the program will read the category description from my database

Sub fillcomboDesc()
Dim fillcatDesc As MySqlCommand = New MySqlCommand("Select catDesc from category;", connection)

[code]....

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Populate Textbox Based On ComboBox Selection Not Using Databinding

Apr 27, 2010

I have a form, frm1 w/a combobox, cboLocations, which is being populated using a sql string. There is also a frm2 w/a series of textboxes and other comboboxes. I want it so that once a selection is made from cboLocations, the textboxes and comboboxes on frm 2 are populated with the corresponding data. Here is what I have so far:

frm1:
Public Class frmLocations
Dim conn As New SqlConnection("Data Source=f03d3s-dev01; Initial Catalog=dos_track;User Id=vbuser; Password=tran3;")
Dim depot_refnbr As Integer
Private Sub frmLocation_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
conn.Open()
[Code] .....

What's happening right now is that I make a selection from cboLocations on frm1 and click on the OK button, frm2 loads, but none of the textboxes are populating and one of the comboboxes, cboDepot, shows the different data when you click on the down arrow, but it's not displaying anything it its text field when frm2 loads.

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Forms :: Populate Textboxes Based On Combobox Selection NOT Using Databinding?

Apr 27, 2010

how to go about this? I have a form, frm1 w/a combobox, cboLocations, which is being populated using a sql string. There is also a frm2 w/a series of textboxes and other comboboxes. I want it so that once a selection is made from cboLocations, the textboxes and comboboxes on frm 2 are populated with the corresponding data. Here is what I have so far:

frm1:
Public Class frmLocations
Dim conn As New SqlConnection("Data Source=f03d3s-dev01; Initial Catalog=dos_track;User Id=vbuser; Password=tran3;")
Dim depot_refnbr As Integer

[Code]...

What's happening right now is that I make a selection from cboLocations on frm1 and click on the OK button, frm2 loads, but none of the textboxes are populating and one of the comboboxes, cboDepot, shows the different data when you click on the down arrow, but it's not displaying anything it its text field when frm2 loads.

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VS 2008 - Populate Master / Detail Datagridviews Based On A Combobox Selection?

Apr 14, 2009

I have a product table with ProductId,ProductName,ProductCode as fields. I've populated a combobox with productnames. Next I have two other tables called Result_Header and Result_Detail. The Result_Header table has ProductId as a foreign key and BatchNo,TestDate etc. The Result_Detail table has ResultId as a foreign key which is the ResultHeaders Primary Key and other fields such as Result,SpecHi etc. What I need is when I select a Product from my combobox my two datagridviews must be populated via the Result_header and Result_detail tables respectively.

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VS 2010 Populate Textbox With Excel Data Based On Combobox Selection?

Nov 29, 2011

Visual Basic 2010 Express: I have a form with a combobox that is populated with the names of locations from a datagrid which in turn was imported at run-time (Form_Load) from an Excel database. The Excel database (and the datagrid) also stores the information for addresses and phone numbers for their respective locations.

What I would like to do is have the phone number and address text boxes automatically be updated with the proper corresponding data when the user selects a location from the combobox. Whether the text boxes are updated from the datagrid or Excel database is not a concern; I'm mainly looking for whichever way is simpler.

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Have One Combo Box Populate Another Based On Selection?

Jun 22, 2010

I am currently stuck in one part of my application. I have two combo boxes that i am having the users select from. The first combo box is simply bound to a datatable. that is working properly. The second one i need to populate off another datatable after sorting out what the first one is requesting. Basically it's choosing a line number on the first box and then selecting the machine associated with that line number.[code]...

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Populate A Datagridview With A Selection From A Combobox?

Apr 9, 2012

How can i bind a comobox selection to a datagridview without writting code...

i Need to select an item from a combox and based on that item refresh the datagrdiview. I did something like that in Access but i don't know how to make it work in visual studio 2008.

once i select the datagridview itme that i want to edit i'd like to be able to update back to the database. I know i need to write code for this but at least i'll have the data refreshed on the datagridview.

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Populate A Combobox Using Selection In Another From Excel Sheet?

Jan 30, 2012

I need to populate a combobox using the selected value in another combo. The coding that i use doesn't produce the required output. i have an excel sheet with columns called "BaseStation" & "SectorID". Combobox2 must display the related sector id with respect to the selected BaseStation[code]...

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Populate Combobox From Selection Of Another Combobox?

Jan 1, 2012

I currently have a form with two comboxes. The first cbo is being populated with a project number, which is being pulled from the first column of a spreadsheet. I now want the second cbo to read the first cbo and then find that project number on the spreadsheet; when it finds that project number, I then need it to copy data from the row the project number is on. I have converted to vb from vba. Below is the code I used in vba (which obviously does not work). I only need certain cells from the project row.

Dim proj_num, rng As Range
Dim data, i As Long, j As Long
With Sheet1

[code].....

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Wpf - Populate ComboBox Based On Another ComboBox Using XAML?

Jul 29, 2011

I have two ComboBoxes

<ComboBox Name="cmbMake" DisplayMemberPath="MakeName" SelectedValuePath="MakeID"/>
<ComboBox Name="cmbModel" DisplayMemberPath="ModelName"/>

I use LINQ-to-Entities to populate the cmbGroup ComboBox

Dim db as myDataEntity
cmbGroup.ItemsSource = db.Makes

How do I populate my second ComboBox (cmbModels) based on the selection of the first ComboBox (cmbMake) using XAML so that whatever I select in the first ComboBox automatically filters the ItemsSource in the second ComboBox?

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DB/Reporting :: Combobox - Get Data Based On The Selection

Jan 31, 2009

I have VS2005, Microsoft Access 2003

ComboA is binded to the Customerstbl and displays the CustomerNames. ComboB is Binded to the CustomerContactstbl for the selected customer above and displays all Contacts for that customer is a second cbobox.

I am having a hell of a time with this, When I select a customers name in ComboA, I want ComboB to automattically query the contacts in ComboB based on ComboA's selection. where do I create the query for getting the contacts for that customer?

In the Customer or Contacts tbl?

Is this something that would be better hard coding or is VS2005 that much improved that its ok to use these binding features?

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Forms :: Get Hidden Value / Tax From Combobox Based On Selection

Feb 17, 2010

I have a combobox populated from the DB with:

-ID
-State
-Tax

State is the only value that is shown.I'm trying to get the hidden value, Tax, from the combobox based on the selection but can't figure it out.

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Apr 9, 2009

how to generate unique ID based on combobox selection?

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Populating Textboxes Based On Combobox Selection?

Jan 8, 2010

I'm trying to populate textboxes on one form based on a selection on a combobox on another form. All data will be pulling from the same SQL table. I've got the combox to work fine to show the correct data in one of the textboxes by using the lines:

Dim connectionString As String = "Data Source=F03D3S-DEV01; Initial Catalog=dos_track;" _
& "Integrated Security=True"

[Code].....

,but not sure how to get the other textboxes to fill with the correct data (from the same SQL table row) associated with the combobox selection. I've spent SO MUCH time on this trying to figure it out, but am getting nowhere fast...

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Dec 13, 2010

How do i populate my state combobox,such that when i select the appropriate country my combobox will automatically display the appropriate state?

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Aug 31, 2011

I have a combobox wich I want to populate based on the value of another combobox.[code

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Jun 3, 2010

I am creating a program that will allow me to manage server EXE's for which I have the method to do so already completed. The problem comes when I want my front end to be able to use a database of different server configs stored in a dataset.

My Database has 4 columns (ServerID | ServerName | ServerPath | ServerMod)

I wish to be able to select the ServerName in a combo box (already done via Datasource/DataMember) and then load the ServerPATH and ServerMOD for that row into two variables.

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Mar 26, 2012

I have a database with table "Customer" that will be the datasource for my form controls. My form has a combobox and various textboxes that need to change based on the selectedvalue in the combobox, cboCustNo. Firstly, I'm try to get the combobox to populate with the customer names on the table but have the value member of the combobox set to their customer numbers (just for ease of indexing). Based on the user's selection I'm trying to have various textboxes show the corresponding data (Address, City, Balance, etc.). The code I have so far is below:

Dim cnnDB As New Data.OleDb.OleDbConnection
Dim cmdSelect As New OleDb.OleDbCommand
Dim rdCustomer As OleDb.OleDbDataReader
Dim CustTable As New DataTable

[Code]....

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DB/Reporting :: Dependent ComboBox Based On Selection In Major Category

Apr 3, 2009

I'm running into a little problem making one combo box dependent on the selection of another combo box. I'm using a access back-end to this project. I have two tables: MajorCategoryTbl and MinorCategoryTbl , MajorCategoryTbl has PK and description field, MinorCategoryTbl has a PK, MajorID (foreign key), and description field. I have two combo boxes on my form, one that displays the Major description, and one that displays the MinorCategoryTbl description, but the stored value is the PK for both. I want the selection of the minor category combobox to depend on what was selected in the major category combobox.

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Populate Text Box Based On Value Selected On Combobox?

Sep 13, 2011

I have the following code which add items to a combobox in my form:

Public Class Contas_Bancarias Private Sub Contas_Bancarias_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim conn As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:BDadosBANKREC.accdb;Persist Security Info = False"

[Code]...

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Apr 14, 2010

I'm writing a standalone application in VB.NET using Visual Studio 2005. I want to display/hide a bunch of Buttons based on the selected value of a ComboBox. Each selection would have a different set of Buttons to display, and I'd like to have them arranged in a nice grid.

Driving a TabControl with the ComboBox value would be the kind of behavior I want, but I don't want it to look like a TabControl to the user because it might be confusing.Is there a way to do this?

Basically, I'd like Selection1 of the ComboBox to show Buttons 1-4, Selection2 to show Buttons 5-11, Selection3 to show (maybe) Buttons 1, 3, 5, 6, and 8, etc., have them arranged nicely, and have the GUI show only the ComboBox and the buttons.

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Mar 18, 2008

How Do I show the values from the dataset to the text box based on the selection from the combobox list i already populated the combobox my code is. [code]

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Nov 3, 2011

I know that sounds strange but I came across this website today that uses this ability and I've been going nuts trying to figure out how they do it.

The website is [URL]

Also here is a screenshot of the options I am speaking of

There is a combolistbox that has a list of topics.

Depending on what topic you choose will determine what checklistbox option will appear in the check list box.

What are they doing there to create that option? I was thinking that maybe they created 20 checkedlistboxes and then if the selection of the combolistbox is "THIS" then they set the getfocus to that checkedlistbox but that didn't quite work for me.

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Populate A Combox Box With Counter Object?

Feb 27, 2009

How do i populate the combo box with counter object like in add counter dialog box in Perfmon in Xp.bottom line is i would like to get a dialog box like in perfmon add counter

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Populate Data Into Datagridview With Combox In It And Then Save?

Jun 10, 2011

how to populate data into datagridview with combox in it and then save. Using Visual Basic 2005.I have to populate CrewID, CrewName, Address, Position, ReplacementCrew, ReplacementCrewPosition from employees.When the data was populated, I have to click the ReplacementCrew Combox and find the CrewID of employee and display the Position to ReplacementCrewPosition cell. Then save.

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Dec 10, 2010

I am using Visual Basic 2010 to develop windows forms and when I use two comboboxes one after the other with the dropdown turned on with the ComboBox_Enter event I lose the displayed value of the first combobox when the second combobox dropdown occures. If I comment out the second combobox ComboBox_Enter event so the dropdown for the second combobox dosen't drop down the display value displays in the first combobox. I have also put an empty text box between the two comboboxes and that also fixes the problem. So how can I use two combobox in sequence with the dropdowns and not lose the display value on the first combobox? My version of Visual Studio is 10.0.30319.1 RTMRel.

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Show Another Combobox By Combox Selected Item VB 2008

Feb 1, 2012

I have a little problem that i want to show a "sub Combobox" with the help of super combobox. i don't know it is possible or not becux i'm beginner in VB.

[Code]....

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Populate Combobox With Database, Select To Populate Second Combobox?

Jan 27, 2011

I need to pull from an access database to populate a combobox. Then from there I need to have a second combo box populated depending on the selection in the first box. My thought of an example would be a website that is setup for selecting car make, modle,year...can that be done in VB?

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Mar 27, 2011

Is there a way to update source combobox to printer combobox selection?So going from printer1 to printer2 the source will update according to what that printer has to offer.

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Feb 23, 2011

I am currently using the NorthWindDataSet from the msdn tutorials.So far, here is what I have to populate one of the listboxes on my form:[code] I make a selection in ListBox2 I would like ListBox3 on my form to be populated with that particular person's Order #'s.

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