Difference Between Simple, DropDown, And DropDownList In The ComboBox?
Feb 27, 2009What's the difference between Simple, DropDown, and DropDownList in the ComboBox?
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Dropdown - How To Implement DropDownList
Aug 5, 2011I am developing a VB.NET ASPX file in VS 2008. I am having trouble retrieving the selected input parameters however. This is real simple problem. Here is my current code:
[Code]...
This is a really basic question. This code currently sets the dropdownlist like I want, but just doesn't return selected month and year. How can I fix this?Note that Main2 sub is for PostBack = True.
2nd Dropdownlist Depend On The 1st Dropdown List?
Sep 19, 2010i want to create a dropdown list which depend on each other. as example. the 1st dropdown list will let the user to select the type between sector or subsector.
select type: 1) sector
2) subsector
if the user choose sector, the sector value will be appear in the dropdownlist
select sector: 1)technology
2) trading
3) industrial
but if the user choose subsector, the subsector value will be appear in the dropdownlist
select subsector: 1) computer
2) utilities
3) consumer
i try to use the hide code but it turns out to be error. i think because of the data overloading.
Dropdown - Add A Value To A Dropdownlist Populated From Database
Feb 27, 2010this is my code -
[Code]....
this shall populate the dropdownlist data, but in the value i need it to pick up the "ID" field from the stored proc. the stored proc sends two parameters, ID and Name. so i populate name, but how do i populate the id in value like this -
[Code]....
Changing Styling Of DataGridViewComboBoxCell From DropDownList To DropDown?
Nov 20, 2009I have a DataGridViewComboBoxColumn, and want to switch the style of the ComboBox control between DropDownList and DropDown (mainly for the text field editing capability). I'd like to do this on a row-by-row basis (at the DataGridViewComboBoxCell level).How would I do that programatically? Or maybe a different way of asking: How do I access the ComboBox control given an object of type DataGridViewComboBoxCell?
View 1 RepliesDropdown - Make A DropDownList With Readonly Appearance?
Aug 5, 2011I am developing desktop application using vb.net and vs2008.I have a DropDownList that I don't want it interact with use when the info is locked. But if I disable it, it is greyed out and the text is not easy to read.Is there any way to make radiobutton like readonly textbox?I want text of the DropDownList looks black and itself is not clickable.The above shows a disabled DropDownList with greyed out text and a readonly textbox
View 3 RepliesPopulate A Dropdownlist Based On The Changed Event In Another Dropdown
Aug 28, 2009I want to populate the dropdownlist ddVerantwortlich1 with the people with the proper credentials based on the selected process step ddProzesss chritt1.It doesn't work if I want to change it using datasource and databindi have to manually loop through the table in the dataset returned from the query. then it works. but not otherwise.[code]
View 1 RepliesDropdownList - How To Set Value Of ComboBox
May 28, 2010I am using the following method to set a value to ComboBox1 whose dropdown type is set to dropdownlist:
ComboBox1.Items.Clear()
ComboBox1.Items.Insert(0, "ABC")
ComboBox1.SelectedIndex = 0
Is there any other and better way to do it?
How To Select The First Item Of A DropDownList Combobox
Apr 14, 2012I have a combo box with four lines of data:
Reina Beatrix Arpt, Aruba, AW (AUA)
Grantley Adams Intl Arpt, Barbados, BB (BGI)
Owen Roberts Arpt, Grand Cayman Island, KY (GCM)
[code].....
.net - Intercepting Combobox Dropdown?
Aug 15, 2009Urgh, I have spent the last couple of hours on this now. I normally end up finding the answer from a bit of Googling, but not with this one. Bit of a headache.
My questions:How can I catch when a user clicks the dropdown arrow on a combobox and prevent the dropdown list from being displayed.How can I then clear and populate the dropdown list and display it programmatically?
I have one agent program remotely connected to a server over the internet. When you click the dropdown arrow on the agent, it queries the server to determine what needs to be in the dropdown list. It then displays the dropdown list. The comboboxes act as filters for the subsequent comboboxes on the GUI. A delay in displaying the dropdown list is perfectly acceptable while retrieving the data. Initially querying all the possibly entries in the dropdown list is not an option because there are so many! Needs to be comboboxes compared to listboxes as the user may also type an entry that is not in the list.
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DataGridView ComboBox Will Not Dropdown
Oct 27, 2011I am using VB.net 2005. I have a DataGridView with several columns. One of the columns is a ComboBox. What I want to happen is when I populate the DataGridView by binding it with the DataTable I want the ComboBox item that is in the DataTable field to be the one that is shown as selected in the drop down. Then if the user wants to change the value they select a different one from the DropDown (and I will perform some update action). My code displays the correct DataTable item in the ComboBox, but the ComboBox will not drop down so a different item can be selected.
This is the code where I set up the ComboBox in the Form_Load and add all the possible items that can be in the DataTable Destination field.
c10 = New DataGridViewComboBoxColumn
c10.Name = "Destination"
c10.DataPropertyName = "Destination"
c10.MaxDropDownItems = 5
c10.Items.Add(" ")
[Code] .....
Get More Out Of A Dropdown DataGridView ComboBox?
May 24, 2012For this project I am using Visual Basic in Visual Studio Professional 2008 and SQL 2005 Express.
I have a table in SQL 2005 Express with 4 columns. These are ID, ProductCode,ProductDescription and Price all included in a dataset called ProductsDateSet. The ID column is obviously an integer and the primary key. The ProductCode and Description are both nvarchar(50) and the price is a money column.The table is called Products.
Initially this DataSet is used to enter product information into the database in Form1 but it is also used on a second VB Form (Form2) resembling a sales invoice. [code]...
Listview As ComboBox Dropdown?
Feb 11, 2010Can I have a listview in a combo box dropdown ? Is it possible I need to show grouping and multi columns in combo box. How can I achieve this ?
View 3 RepliesCustom Control Combobox - Set DropDownList As Default
Sep 3, 2009i create my custom combobox control and i'd like to set DropDownStyle property on DropDownList but it not works correctly. [Code] When i put my custom control in my form i want to see DropDownStyle set to DropDownList and not DropDown as default.
View 9 RepliesFunction To Return A List For A Dropdownlist Or Combobox?
Aug 27, 2009I have written a function before to delete and update records, but never anything to return values back to my call of the function. Here is my code, and I will try to explain what I'm trying to acheive.
If Not Att1 = "" Then
Attribute1.Text = Att1
Attribute1.Visible = True
ComboBox1.Visible = True
[code]....
That codes goes on up to att20. It works just fine, but it is forever long, and I would like to clean it up.I want to do something like:
Or, should I pass the combobox number also, so that the code can fill the appropriate combobox? Like.comboboxfill(Att1,Combobox1) how to write the function and how to pass back the information or just how to make it work in general?
VS 2010 ReadOnly Combobox Without Making It A DropDownList?
May 10, 2010i have an app that has many suggest append comboboxes in the style of just straight dropdown.
I also clear the text in all of these draopdowns via resettext() in a loop when my user clicks a 'New' button
is there any way to either A:
make the combobox read only (without selecting dropdownlist)
or B:
allow suggest append to fire on all keystrokes instead of only when it sees a match in the combobox....
example: combobox1 contains the following items:
- apples
- oranges
- bananas
as of right now, if my user types in "pears" it won't see any 'P' and won't suggest anything else or even drop down the combobox and allow "Pears" to be entered and because my app does processing only on the items in the list, "pears" then throws an exception....I'm trying to force them to choose only the items in the list and not be allowed to enter anything else while still enjoying the clean look of a resettext() on a combobox
Clearing Combobox Dropdown History?
Apr 18, 2006I have a button to check the available cars on certain dates.
When they check and the dates are ok..then it fills a combobox with "sports, utility, family, etc. categories)
Lets say the user changes the dates and they dont work, aka. return date is before pickup date. How do i clear the items from the combobox?
cbFilter.items.clear() doesnt seem to work :(
Create A ComboBox With A DataGrid Dropdown In WPF?
Jan 5, 2012I'm trying to rig up a ComboBox with a Datagrid dropdown in WPF. I need the the code to be done programmatically and contained in the codebehind. Here's what I've got so far:
[Code]....
This code produces a ComboBox that contains a DataGrid with two columns and seems to look fine. Although when you click on the ComboBox and select one of the rows in the DataGrid the selection in the ComboBox doesn't work properly. (It just shows the colum headers.) I want the value in the first column of the selected row to appear as the ComboBox selection.
Filter ComboBox DropDown On TextChanged?
Mar 8, 2010how to Filter ComboBox DropDown on TextChanged?
View 4 RepliesHide Dropdown Icon Of Combobox?
Jun 17, 2011I have an application using ComboBox with ComboBox.DropDownStyle = DropDown, I want to hide the dropdown button of it, and dropdownitems will be displayed programmatically, when required.
View 1 RepliesVS 2008 Combobox Dropdown Event
Apr 29, 2011I am working on the Combobox.I was bind the data from Access database to Combobox in the DropDown Event.Now whn i click the Dropdown for selecting value , for one click the dropdown list is not showing. Some System is coming within few milliseconds it went out for second click the list is coming.This happens only whn i click the combobox first time in the form.After second time onwards the dropdown list coming properly.
View 2 RepliesCheck Text Entered In Combobox Against The Dropdownlist Generated?
Jan 15, 2009I have an windows mobile application. In the windows form of it, I have a combo box.I load the values in the combobox on frm_load event.Now we all know what the combo box has the facility that it allows to enter text as well as chose from the dropdown.So when they enter the text, I want to validate it against the list that is in it.If not then msbox error.
My loading of the combo box is here.
Private Sub mainfrm_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim con As New SqlConnection("XXXX")
Try
[code]....
VS 2005 Data Deleted But Dropdownlist Of The Combobox Is Not Updated?
Sep 1, 2009i did this code to delete data from the database and update the dropdownlist of the combobox(i.e,remove the deleted data from the dropdownlist of the combobox):
Private Sub Delete_Btn_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Delete_Btn.Click
Dialog1.ShowDialog()
[Code]....
Adding Context Menu To ComboBox DropDown?
Dec 10, 2009How can I achieve this? I've done quite a bit of searching but found no obvious solution? Surely there is a way...
View 3 RepliesComboBox - How To Make Dropdown Arrow Wider
Dec 24, 2010I'm using a ComboBox with the following settings.
Font - 20pt. I need large font because I will use this on a touch screen PC.
AutoCompleteMode - SuggestAppend
AutoCompleteSource - ListItems
How do I make the text in the drop down list as big as in the comboBox? Also, how do I make the drop down arrow wider?
ComboBox DropDown-Area Border Color?
Dec 6, 2010I've created an ownerdraw ComboBox (used as DropDownList only) in Visual Basic .NET 2010. I inherited ComboBox and set DrawMode to OwnerDrawVariable. The control itself and the dropdown items are drawn with Paint and DrawItem.
The control works fine so far, but there is one thing i was unable to change: When i click on the combobox to open the dropdown area, this new area has a very bright border color (nearly white) which I want to change to black. I've uploaded an image of the current control and how I want it to look like:
[Code]...
Datagridview Combobox Dropdown Selection Change?
Apr 20, 2009how can I make program using vb 2005 that will dropdown the datagridview combobox and display to the datagridview textbox everytime the combobox selection change or when you choose the data.The mousemove is not perfect because when the dropdown combobox length more than the datagridview, the mousemove will not work even other features of datagridview.
View 3 RepliesDropdown - Showing List Of Combobox While Getting Focus
Jul 8, 2010When we click on drop down combobox control in our windows form, it shows the list automatically. But when we press tab and navigate to that control from keyboard it doesn't shows the list automatically. So in other to show the list automatically on receiving focus what should be done?
View 1 RepliesDropdown ComboBox With Predictive Text Option
Jul 21, 2010I have a combobox and have 10 items in it (Name of countries). I want to make the users life easy so that when they click inside the combobox and start writing then the text box will start predicting the rest of the text in the combo box. i.e. if i start writing "U" then the textbox will start predicting "UK" as "UK" is already a pre-populated item in the combobox.
How can I restrict the user from selecting only values within the pre-populated items of the combobox. Bearing in mind the combobox allows the user to write inside it (for the benefit of predictive text). But lets say there are values of UK, USA then I dont want the combobox to accept the value of "Ukraine" when the user clicks away from the combobox.
Editor Type For ComboBox Or DropDown For Use In PropertyGrid?
Aug 27, 2009tell me the editor type for a combobox? (for use in propertygrid)Something similar to this:
<EditorAttribute(GetType(System.ComponentModel.Design.CollectionEditor), GetType(System.Drawing.Design.UITypeEditor))>
but for a combobox.