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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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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May 21, 2011
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
im using the following code but the combobox item doesnt add to the textbox. code im using is:
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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Mar 29, 2010
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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Apr 29, 2009
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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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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May 22, 2010
I have a form with a DGV bound to a SQL database. the DB has three colums: ItemCode, ItemName, Status. The Itemcode field is a combobox complex binded (if this matters), the ItemName colum is a textbox. How can I have the ItemName colum auto insert the text for the ItemName colum when I select the associated ItemCode with the combo box. I'm pretty sure I need to use the "CellValueChanged" event. I'm thinking an IF Then statement with 'e' parameter and colum and row indexes just not sure how to address it.
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May 3, 2012
I have some coding which reads a text file and shows certain columns in a combobox.[code]...
What I would like to do is just show column 1 in textbox1[code]...
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May 20, 2012
I would like to fill a textbox with my selected text in combobox. Could you tel me which code I have to add to following code? [Code]
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Nov 23, 2011
i would like to ask some help regarding combobox and textbox. so here's the problem, i've been trying to figure out how to assign a value into the textbox using the combobox and here's what it looks like [code]what i want to happen is that when i choose "Nursery" "1000" would automatically appear in the textbox.
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Mar 27, 2010
I have this code inside am event in a combobox. Because I don't know the placement off the textbox before I have run the code in the combobox:
Dim txttotal As TextBox
txttotal = New TextBox
txttotal.Name = "txttotal"
txttotal.Location = New System.Drawing.Point(x4, y)
txttotal.Size = New System.Drawing.Size(100, 15)
txttotal.TextAlign = HorizontalAlignment.Right
Me.TabPage3.Controls.Add(txttotal)
I can see the textbox thats works fine. But in another event I will give txttotal a value
But get the error txttotal not declared.
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Dec 16, 2009
I want to populate the textboxs with the access databse fields when i select the combobox.
my combobox is populating but my txtunivdetails is not being populated. I am not able to find my error.
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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Nov 16, 2009
I have 2 comboboxes that I would like to change the selected row to a text from another textbox. Basically..
textbox1.text = "item 1"
combobox1.selecteditem = textbox1.text
When I do the above, my combobox is not changing the selected item, do I have to do something different?
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Jul 6, 2010
I have a datagridview called DgvReturns, in this datagridview I have 2 columns - one is a textbox and the other is a combobox. The textbox is populated from a dataset while the combobox is built with 3 items Full Pay, Part Pay, No Pay.Now, what I want to do is for e.g., Full Pay to be displayed on the combobox column simultaneously.Therefore, for example record A has Full Pay the combo box should show show Full Pay, and if Part Pay it should show Part Pay from the drop down list.
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Jul 6, 2010
Sorry, I though the problem was resolved but unfortunately is not..I added this code to my form; Me.DgvReturns.Item(6, 0).Value = Me.DgvReturns.Item(5, 0).ValueThis Only affects the first line of the datagridview.. The second, third, fourth etc etc records are not reflected. Therefore, the vale of the textbox is not shown on the combobox.
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Oct 1, 2011
I have a form and i have used a combobox along with datagridview and textbox.I have various values in combobox namely Mechanical, Electrical, Etectronics etc.When I select the option Mechanics, I wish only few fields of the table be updated in the gridview, with the type mechanics. The I am getting all the fields, instead of the specified ones in the query, in the grid view.Also, the where clause, is not being executed ie. It gives the entire database as it is.The database in the gridview does not get updated. It keeps giving me the old databse, even after updation, unless I Bind it again, with the data source.I am completely new to the concept of Datagridview and combobox as making the project for first time in vb.net.
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May 15, 2012
I am working on WPF application. I have a window which has "Combobox" and "Textboxes". Well,I want to display the selected combobox values in textbox. (Combo Box displays the concatenated string firstname+lastname+initials).But I have two text box for firstname & second name. I want to display only "firstname" in first text box and "last name" in second text box.I wrote the below code. IT displays the values but concatenated. IS there any way I can just display first name in first text box and last name in second text box.
FNSysEngnrTextBox.Text = SysEngnrCB.SelectedItem.ToString
LNSysEngnrTextBox.Text = SysEngnrCB.SelectedItem.ToString
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Oct 15, 2011
I have a form with multiple combo boxes and text boxes making an invoice.. I have the combo boxes linked to my database and I want each selection to fill a different textbox. The comboboxes fill on form load... How can I fill the textbox with the selected index from the combobox?
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Aug 3, 2009
how to add textbox, combobox, label in the datagridview..
because i have datagridview which has databound field
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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Feb 19, 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?[code]...
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Jul 17, 2011
I have a problem when trying to show details of XML file by choosing an item from Combobox. I have two XML files, called Employee.XML & Subject.XML. The format is like below
<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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Feb 7, 2009
I had a combobox which is generating auto number from DB. i need to get data automatically to the ramain ing textbox , if i select a no from combo.[code]...
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Jan 9, 2009
Im using a combobox that bound to a DataSet. The Dataset retreives it's values from SQL.
I can retreive the values fine. However only displaying (1) Column. Which is fine.
Here's where it gets complicated for me. The dataset has 2 other columns that get filled. I need the resulting columns to be sent to text boxes when I select a value from the combobox.
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Dec 26, 2011
im a newbie, just want to learn vb.net (2010) wel im working on a vb2010 and msaccess2003
i wanted to search ms access data using a combobox and a textbox. i had several columns on ms access like emp_id , last name, first name, position, etc. every item name is already set on the combobox so my code is here for the search button
[Code]....
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Sep 23, 2011
I have this controls
ComboBox: list of myobject
TextBox: view a description
DataSource: list(of MyObject)
MyObject:
property id as int
property combodesctription as string
property description as string
What I want: I set the datasource of combobox with list of MyObject when I select a value on combobox, I would like see description in TextBox is it possible bound text property of TextBox to same datasource of combobox or it is possible change description of TextBox only with changedEvent of ComboBox?
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Sep 10, 2009
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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