ComboBox - Getting Value From CBPrice Into Textbox?

Oct 3, 2009

In my program when combobox name is changed the combo box next to it automatically selects the correct price, but the user has the ability to change the price from the list. CBPrice is populated by an access database (for this I used the wizard to set up a connection etc.) this all works fine. My problem is that I am trying to get the value from CBPrice into a text box, here I managed to get a code string that will allow the combobox value to be converted into a string (which was an error I was getting for a different part of the program) but now when I select a name from the combo box CBName the text box goes to 0 instead of the value that is inside CBPrice like it should...

This is my current code...
Private Sub CBName_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CBName.SelectedIndexChanged
Me.Txtoutcome.Text = Val(Me.CBPrice.SelectedItem.ToString())

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Combobox Bug - Text Typed In Combobox Appears In Another Control (textbox) On The Form?

Feb 20, 2012

I have a tab control application, each tab loads a particular user control and each of those user controls will then add other user controls that are used amongst other the user controls. For example, I have an "ucQuotes" page and an "ucInventory" page, when the specific tab is selected, the "uc****" user control is loaded on that page, and in the case of "ucQuotes" and "ucInventory" they both use a control called "ucPartNumber"; a user control consisting of a combobox, textbox, and button. I have no issues reusing the shared user controls, in this case. My problem arises with my "ucQuickPrice" control, as it is always present at the bottom of the tab control form (separate from the tabcontrol, but on the same form), and it too uses ucPartnumber.

Here's my issue, as I type into the ucPartnumber combobox, the text I type does not appear in the combobox, it appears in the textbox of the ucPartnumber control that is being used on the tabcontrol page. There are no shared instances of ucPartNumber, nor do I have this issue between typing on one tab page and the text showing on the user control of another tab page.I tried just creating the ucPartNumber controls on the ucQuickPrice control, not adding a new instance of ucPartnumber on the .Load event, and the issue persists.

The combobox(s) in question are bound programmatically with about 40,000 items, ".datasource = dataset.tablename" not to a bindingsource. Autocomplete is set to none, I added code to utilize tool tips and the basic combobox filtering functionality. Is this a bug, or is there something I'm neglecting? I'm about 95% complete with this application, and this just happened today. I made the decision, to just reuse the ucPartNumber control on the ucQuickPrice control (originallly it's size and orientation would not fit, but I added some coding to detect what parent is adding ucPartNumber and to change its appearance accordingly). Before, I made this change, I did not have this problem. And, in trying to go back to how I had things set up before the change, the problem will not go away. if the whole control within a control verbage I used is a bit confusing, let me know and I'll try to better explain what is happening. At this point, I'm going to close and reopen vbexpress, as when I started this ordeal, vb started acting weird and wanted me to save all my work, it usually does this before locking up.

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Feb 7, 2009

i wan to display the text from combobox into the textbox and clear the combobox text when click on the button.But when i select another text from the combobox and click the button, the textbox display and overwrite the previous text.How can i do so that when click, textbox display text from combobox and clear combobox text. Then click again, display the new text at 2nd line of the textbox without deleting the previous text?

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Im trying to make a Quoting system, you select the person you want to get a famous qoute from and then evey time you hit refresh you get a new quote from the txt file (churchill.txt) how do i get the list box to work nd the refresh button

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Jan 24, 2012

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TextBox1.Text = ComboBox1.SelectedValue.ToString

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Mar 15, 2012

how do i change the display member of a ComboBox after i have entered a code in a textbox that it represent the combobox value?example

Code: 02-001 Combobox: Provider X

if i change the code the provider combobox must change and if i change the provider combobox the code should change!..

if e.keychar = chr(13) Then
combobox.valuemember = textbox.text
combobox.displaymember = me.stockdataset.selectprovider(@textbox.text)
end if

this code change the combo box display member but if I change the comobox by clicking it the code on the textbox doesnt change, to its corresponding code...the combo box is bound to the provider tables....

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Apr 20, 2010

I am trying to display an ID which is a primary key in my table by selecting the corresponding name in my table. the names have been saved in a combo box and depending on the name selected the textbox will display that Id. the code I have so far only gets the names from sql server but doesnt show the corresponding id in the textbox. I have been searching and cant find anything similar to this.

this is the code for combobox. i placed it in the formload

[Code]...

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I am unable to initialize textbox and combobox in my form when i click on the binding navigator 'New' button. Why is it so? But at the same time the datetimepicker does!ere's the code:

Private Sub BindingNavigatorAddNewItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BindingNavigatorAddNewItem.Click
Me.CreatedbyTextBox.Text = Master.user

[code].....

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i have a combo box that contains persal numbers and when a persal nuber is selected or entered, it is suppose to populate the textbox for surname and initials and component description. but with the code i have i get the error:An unhandled exception of type 'System.Data.OleDb.OleDbException' occurred in system.data.dll.

[Code]...

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Combobox To Populate Textbox?

Jun 21, 2010

I am trying to display an ID which is a primary key in my table by selecting the corresponding name in my table. the names have been saved in a combo box and depending on the name selected the textbox will display that Id. the code I have so far only gets the names from sql server but doesnt show the id in the textbox.

this is the code for combobox. i placed it in the formload

Public Sub RtnCmbVal()
Dim conn As SqlConnection
Dim str As String = "select ConsultantId, FullName from Derma_Consultants"

[Code].....

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Private Sub UiComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
On Error Resume Next

[Code].....

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FNSysEngnrTextBox.Text = SysEngnrCB.SelectedItem.ToString
LNSysEngnrTextBox.Text = SysEngnrCB.SelectedItem.ToString

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ID Activity ActivityDetails
1 Design Web / Form Designing.......
2 Code Debugging / Trobleshoting.......
3 Install Testing
4 Other (Here is the textbox or combobox where user can type data of select data)

if user select other activity, it will create a textbox where user can write data or a combobox that they can select into it...

how to add textbox, combobox into the datagridview as what i explain above..

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How do i change the display member of a ComboBox after i have entered a code in a textbox that it represent the combobox value?[code]...

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<Employee>
<EmployeeID> </EmployeeID>
<Position> </Position>

[code]....

The Combobox contains Employee and its Position also (eg: A1 - IT professor). When I choose an item in here, its Subject details will automatically show in Textbox (one EmployeeID can have many subjects). I cannot use Combobox.SelectItem because I already set Option Explicit On & Option Strict On. I also make EmployeeID by ascending coming up with its position. How can I show details in TextBox by using Subject.XML? I tried many methods but none can work properly.

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Jan 9, 2009

Im using a combobox that bound to a DataSet. The Dataset retreives it's values from SQL.

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im a newbie, just want to learn vb.net (2010) wel im working on a vb2010 and msaccess2003
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[Code]....

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Sep 23, 2011

I have this controls
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TextBox: view a description
DataSource: list(of MyObject)
MyObject:

property id as int
property combodesctription as string
property description as string

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i have a form in design view. with faremaskedtextbox and a extra_farecombobox,could anyoneplease tell me the vb code to addfaremaskedtextbox +extra_farecombobox together anddisplay result in another total_faremaskedtextbox.so basically i wanttotal_faremaskedtextbox to add the two numbers that are put into each faremaskedtextbox and extra_farecombobox. and show the result in total_faremaskedtextbox.

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