Change The Item Value Or Text Of Combobox Control At Run Time?

May 15, 2012

What I to do is really simple. I want to add a group of text boxes in my VB net application. note that the number of text box only can be known at run time.

I want to give default value to this group of text boxes. At run time, users can input text and change the text for each item.

How can I do this? Is there a control to do this?

What I can remember is ComboBox control. However, I only can display the item text and do not know how to change the text for each item.

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Select An Item Of A Combobox To Change A Control Property?

Apr 7, 2010

I can't seem to get this to work so I need a fresh set of eyes on it! I have a combobox dropdown with some names. When I select a certain name from the list, I want it to change the textbox property.I tried :if combobox1.selecteditem= "edward" thentextbox1.maxlength= "2"

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Change Particular Item Font(or)text Color Of A Combobox In VB6?

Apr 10, 2012

How do I change particular item font(or)text color of a Combobox in VB6?

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Change The Label Text When Select One Item From The Combobox?

Aug 12, 2009

how do i change the label text when I select one item from the combobox.

E.g my combobox contain : A, B, and C

When i click "C" from my combobox, my text label will also change to "C"

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Check Combobox Item Then Change Labels To Item Selected

Oct 31, 2009

Just started on

I have a combo box with "yes" and "no" with i select Yes i want the label2 to change the text to "yes" likewise with "no"

I've tried to code it in a logical way as possible but it just doesn't works except for the "wtf" so i think that overall my code is correct but the way i want to retrieve the selected item from combo box is wrong.

Public Class Form1
Dim aa As String
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As


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Change List Of Combobox A Based On Item Chosen From Combobox B?

Jun 17, 2011

I am new to and I am using visual studio 2010. I have two comboboxes on a form, each combobox is set to DropDownList so that a list of items can show in the combobox, but no text is allowed to be entered.

For combobox A, if user chooses item 1, the list of combobox B should be updated accordingly. I think this is quite common on a lot of applications. But I do not know to implement it. I even do not know the keyword to search for the relevant property or event handler.

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Match Combobox Item With Text In Textbox And Set Selected Item

Dec 29, 2011

i have a combobox containing countries name and their codes like INDIA:CNT001 then i have a textbox that store the code of country i.e CNT001(fetching from database) Now i want to match that code with the combobox code so that the combobox is set to that item when i click a button. i m using and sql server as database.

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VB 2010 Change The Image In A Picture Box Using A Combobox With Item Collections 0-8?

Oct 19, 2010

I am trying to change the image in a picture box using a combobox with item collections 0-8.When I run the program no matter what I choose in the combobox it selects case 0 and willnot change. code below for selected index changed.

Sub ComboBox1_SelectedIndexChanged(ByVal
sender As System.Object,
ByVal e


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VS 2008 - Change Individual Item Color In DataBound ComboBox

May 8, 2009

I have a combobox called cbMaterialType on a windows form that's bound to a table in SQL - everything loads great and the combobox displays 'Material' items as it should, in that table I have two fields - Material (as mentioned above) which is a char(25) and InStock which is an nchar(1). If the InStock field contains a '1', I'd like the individual material to be green in the combobox, if '0', then red. I have the simple code in the drawitem event of the combobox as follows, but can't seem to get any results at all:

Private Sub cbMaterialType_DrawItem(ByVal sender As Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles cbMaterialType.DrawItem
If MaterialTableAdapter1.GetData.Item(cbMaterialType.SelectedIndex).InStock = 1 Then
cbMaterialType.ForeColor = System.Drawing.Color.Green
cbMaterialType.ForeColor = System.Drawing.Color.Red
End If
End Sub

I've never worked with any form of color in comboboxes before and this is my first attempt at the drawitem event.

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SQL Statement - Change The Word Mobinil When The User Choose Another Item From The Combobox?

Oct 14, 2009

the below statment is right 100% but what i need is to change the word mobinil when the user choose another item from the combobox

cmd.CommandText = "select * from warehouse where mobinil ='" + ComboBox2.Text + "'".I thought that i can do the follwoing dim x as string x= here will be the item selected by user- and ofcourse i need it to be put instead of the word Mobinil
cmd.CommandText =

"select * from warehouse where x value ='" + ComboBox2.Text + "'" is that possible ?

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Change/delete Item From Form, Who Was Created As A Non-global Variable In Rum-time

Nov 4, 2009

I have created a picBox inside a function, this function then adds some properties to it and then adds to: Me.Controls.Add(thisarray(count))

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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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Add Text Item In A Bound Combobox?

Feb 12, 2012

Need some direction not looking for code,

How do I add text such as 'please select' to a bound combobox that populates from parameters?

I want to make this text the selected index 0.

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Run Time Control Creation - Add X-number Of Text Boxes At Run Time

Jun 9, 2011

Just getting started in VB.NET. I would like to add X-number of text boxes at run time. And then be able to address them by their index or some sequential numerical value (like an array)

This is what I have so far:


When I turn this into a loop to create multiple toolboxes, how do I assign a name to the controls, or will all of them be named "MyTextBox" ? I'll increment their position so thats no problem.

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Add Text And Integer Value To A Combobox Menu Item?

Oct 21, 2009

I want to manually assign a text and integer value to each combobox menu item. I have tried the following and it doesnt work[code]...

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ComboBox Selected Item To Textbox1.text?

Jul 15, 2009

i'm trying to make simple process killer... but i do not know how to make a selected item apper in textbox1

something like??

combobox1.item selected = textbox1.text

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Could Not Get Selected Item Text In Combobox Selectedindex

Dec 6, 2011

could not get selected item text in combobox selectedindex changed event return value is "System.Data.DataRowView"..[code]want to get the value from the combobox but i always getting ""System.Data.DataRowView".

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Change NumericUpDown Control Value Depends From ComboBox Value?

Oct 20, 2009

The form has 2 ComboBox and 1 NumericUpDown controls. I would like to change value of NumericUpDown based on selection in ComboBox. For example:

ComboBox1 has three value. for instance, AAA, BBB, CCC
ComboBox2 has three value. for instance, DDD, EEE, FFF

The NumericUpDown should has range 0-6 sum of both ComboBox. For instance, if user select from ComboBox1 AAA and from ComboBox2 EEE the NumericUpDown should display value 5.

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ASP.NET Change Dropdown Control ID Inside Repeater Item Dynamically?

May 31, 2009

how I can get this to work. I want to distinguish dropdown controls inside a repeater control. I understand now about the lifecyle and how the buffer is already writen, but what are my alternatives? Here is what happens

Code File

Dim repeatTimes((TotalAdInsured - 1)) As Integer
myRepeater.DataSource = repeatTimes


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Change The Listview Control Selected Item Background Color?

Nov 7, 2010

How can I change the listview control selected item background color?

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ComboBox Set To OwnerDrawVariable Causes Item Text Mis-encoding End Displaying Blocks?

Apr 30, 2012

I have a problem with combobox. I set the DrawMode into OwnerDrawVariable so I can draw items seperately with styles, but the characters of the items are now displaying blocks. The block characters are none ASCII. It used to display well but not now and I don't know what caused it to happen. I didn't change my system locale. At the same time, other combobox that have Normal DrawMode displays nicely fine.

My custom drawing code:

e.Graphics.DrawString(combo.Items(e.Index), combo.Font, b2, rect.X, rect.Y)

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[2008] Display Text Item In Combobox By Selectedvalue Function?

Feb 4, 2009

i want to set the current displayed item in combobox by combobox.selectedvalue = valuehere is the code

Combobox.selectedvalue = value
rivate Function populateComboSupplier(ByVal supplierID As Integer) As Boolean
Dim readSupp As New SupplierCRUD


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Change Selecteditem In From Webpage Combobox In A Webbrowser Control?

Feb 27, 2010

How can i get or change the selecteditem in from a webpage combobox in a webbrowser control?

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Change An Item Text In A Listbox Using A Textbox

Aug 5, 2011

l am trying to do this listbox1.selected item.text =textbox1.text.l am using 2010 , that syntax doesn't work.l just want to be able to change an item text in a listbox using a textbox.

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Change Listview Text When Item Is Cloned?

Jun 4, 2012

I have two listviews the first one has all my items in it, the second one is for when I click a button and clone an item from listview1 and add it to listview2. Here is the code I am using for cloning.[code]...

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Change Text Of An ContextMenuStrip Item Which Is Used By A NotifyIcon?

Mar 25, 2010

How can I change the text of an ContextMenuStrip item which is used by a NotifyIcon? and how can I delete a item form the menustrip?

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VS 2008 - Change Text Of An Item In Listbox?

Jul 21, 2009

In the event of SelectedIndexChanged() I need to updated text of an item that is highlighted. If I remove it and .SetSelected again, this event will be entered repeatly. So how to update the text of this item in this event without deselecting and re-selecting it?

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Outlook Lastmodification Time Doesn't Gets Modified After Change Of Synced Outlook Item

Jul 3, 2009

I have written a code in VB.NET using "Microsoft Outlook 11.0 Object Library" to create an appointment, task or contact in Outlook. Now the problem is once i create an appointment, task or contact from my VB.NET code and then if i open these item in outlook and modifies and save the content (like body of an appointment) then the lastmodification time of these item doesn't gets modified. It always shows the previous lastmodification time. This happens only for those item which got created from my VB.NET code.

I have tried realsing the COM object in my VB.NET Code.

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Partial Classes - Add A Control Or Change A Property At Design-time

Mar 26, 2008

In my never ending search for more knowledge, I have come across Partial Classes. I was wondering if some of the kind people who actually understand the uses could explain some of them to me. Now I know that when we create a form that we actually create a partial class which the generator rewrites when we add a control or change a property at design-time, and this allows us not to have to worry about setting up the controls ourselves.


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VS 2008 Make The Text In RTB Control To Change Without Clicking On It (RTB Control) Again?

Mar 22, 2010

1) How can I make the text in RTB control to change without clicking on it (RTB control) again? I notice that the event handler is mousedown so its only occurs whenever the users clicks on the controls. But I really have no idea how to do that. Anyone can guide me how to do that???

2) How to make the RTB's Back Color to transparent??? Cause it is not supported. Or is it I use the wrong control???


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