Forms :: .NET - Combobox Searching Functionality?
Sep 29, 2009
I have a combo box having multiple items and I want by typing the item should select automatically and combo box style should be "DropdownList" type.Let�s say I am typing "I" then country like "India", "Indonesia�,� Italy" should sort automatically. It is happening by default in VB.NET for one character.But I want If I type "India" this should select "India" instead of "a...." because my last character is a. in VB.Net it is selecting country like starts with "a�. But I want the full typing option should be present for the combo box.
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May 5, 2009
I'm trying to implement cut, copy and paste functionality in my application. My menu is on the main form of my MDI application and I would like to cut copy or paste from any textbox from any mdichild.
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Apr 10, 2009
Im building a, lets say kiosk, that has only one form of input and that is a keyboard. I've got an up/down/left/right arrows and the enter button. I have a form that needs to have hundreds of buttons. I've arranged all my buttons in a giant grid and want the user to use the arrows to navigate through the buttons. The button that is 'highlighted', lack of a better term, has different colors so we know which button we currently are on. So when the user hits the down arrow the button below the current button gets highlighted. My issue is that when the user hits the left and right arrows the 'cursor' doesnt move left and right it moves up and down.
The left and right arrows follow the tabindex sequence.
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Mar 14, 2008
I want to create a Class Library that has forms to that the users can perform some functionality. Is that possible in VS 2008? I believe it is, but can't find any examples out their to provide a template or a guide to create mine. What I am trying to do is put common functionality in a class library to multiple applications that I create can access this class library to perform some functionality.
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Mar 21, 2011
Im new to db access and Im not quite familiar to searching. How can I search all my field and will show the nearest match for the keyword and will be shown under the combobox the nearest results that it can find in my db. Like searching search engines like Google that you can find their suggestions under the combobox ?
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Jun 11, 2011
I have a problem searching my record using a Combobox to display the data in a textbox or lablelbox
Eg;
txtUsername.text = rs!username
lblAddress.text = rs!Address
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May 28, 2010
I have one registration form which consists of username, password, confirmpassword and Register button. When I will be typing the username, it should show whether the username is available or not. And I have changed the username column as primary key in sql database.
Private Sub txtusername1_KeyUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles txtusername1.KeyUp
Dim da As New SqlDataAdapter("select * from Register", con)
da.Fill(ds, "Register1") If txtusername1.Text = ds.Tables("Register1").Rows(0)(0).ToString Then
lblusernameerror.Text = "Username is not available,choose another"
Else
lblusernameerror.Text = "Username is available"
End If
End Sub
In the Bolded line, it is reading only one username but i need to read all the columns. Here I have written key up event in the text box of username, but here it is loading only one username. I am using visual basic 2008 and i am writing the program in disconnected architecture in vb.net.
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Jun 18, 2010
I am creatting an windows application software in which many controls like Buttons, textBox, combobox are remain same in 12 different form. In this 12 diff form the activity of those controls will remain same.The scenareo id
1. I have 12 forms.
2. Each form containing 3 labels (Country, State, City). These labels indicates 3 combobox from which we can select location.
3. Now I need to use these 3 controls in all 12 forms with same activity.
4. When I change forms to another, these buttons shud remain same.
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Feb 10, 2009
I am using .net 2008. I have placed a ComboBox on the form and I do not have an additem.
[Code]...
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Jan 28, 2012
i have 2 forms, in form1 i have 10 textboxes and in form2 i have a combobox. I need that when i press a button, the text in each textbox (in form 1)appears as a choice in combobox in form 2). How can i do this?
i suppose i have to set form 1 as public..
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Jul 21, 2011
I need to pull the name of some forms in my project and add them to a combobox. How would this be achieved?
Here is a image of the directory layout.
[URL]
I need window1.xaml through window6.xaml to appear in the combobox on my admin form.
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Dec 13, 2009
Here's my scenario...I have 2 datagridviews in my Windows Application.When I click on a row in the parentgrid, a child grid shows up with data regarding to which I have clicked.both grids are from the Database (SQL2005) only. In the child grid am using a combobox and that is my headache...this part is working fine and the problem is in the child grid.
When I try to add a new data (at the sametime into the Parent and Child) its working fine and am able to insert data into the tables...
But when I want to edit a data in the child grid, the combobox is making problem.I selected a value from the combobox and go to the next cell OMG the combobox value changed to the corresponding ID of that instead of showing the text.But I neglected this as I was getting the correct value tat has to be inserted into the DB.
Now while editing the main data am tryn to add a new child data ( assume that there are few child data already and am adding a new one).When I click save the values in the combobox are retreived as string and am not able to update the database.This happens to the rows that were already there.the reason is because of the strange behaviour of Combobox in the grid..
Am after this for 2 days and still after this..
Also am populating the combobox from the DB only.
Find the code below, how I did the combobox population
CODE:
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Aug 4, 2010
I have a combobox, I set its "drop down style" property to "drop down list"Then I wanted when th user clicks on the form the combobox becomes unselected so i wrote this
PHP
Dim String
ComboBox1.Text
[code].....
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Oct 14, 2009
This seems to be the toughest thing I've had to search for. It seems there's not a good thread that clearly explains how to add items to a combo box that's bound to a SQL Server table (of course, I'm a newbie so I'd like a step-by-step on how to get it done).
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Sep 7, 2009
I started a Windows app using all code for database connection and validation. However, it was always losing the formatting that I had set at run time. So I thought I would use the long tedious process of using all of the studios objects with minimum code.
I am now at the position where I am mostly happy with the layout and how this operates. However, I want to be able to add a non-databound value to a databound combo box. I have set the properties for the combo box in the combo box tasks.
Also, I want to add the ability for the user to update that table that is bound to this control, when a value is not in the list. I know that there is a NotInList event in Access, but I can not find it in VB.Net. I did get so far with updating from the combo box using the Leave event. However, when the database was updated the control could not find the ID in the Clients table to save to the Quotes table.
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Dec 12, 2011
I am totally new to VB.NET and Visual Studio. I am creating a new form, which includes a combobox. I have figured out how to add the items to the combobox using the properties box, but I would rather code them. I tried the below code, but no luck. Any ideas what I am doing wrong? Me.cboSTATUS.Items.Add("A")
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Nov 26, 2009
I have a combobox with multiple names. When I select one of the names from the combobox I want to display a value(number) instead of the name itself. How could I do that?
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Feb 24, 2010
[code...]
On my first form, I have a combobox that is bound to the Locations table and displays all the different locations. Once a location is selected, a 2nd form is loaded which has textboxes which are also bound to the Locations table and are populated with the corresponding data.
Here's my issue: on the 2nd form, I have combobox that is bound to the Offices table. Currently, when this form loads all the available offices, displaying with the first office in the list. I need it to populate with the correct office based on the selection made on the combobox on the first form. I guess what I'm asking is, how does one bind a combobox to a foreign key b/c it is the foreign key, office_refnbr, from the Locations table that needs to display in the Office combobox.
I've tried a variety of bindings, including:[code...]
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Nov 22, 2009
Wanted users to choose two options 1.(tick) 2 blank text so they can write things.
Was thinkin how this can be achieved using a comboBox. ?
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Jan 13, 2012
I am successfully hiding a combobox, based on the selection of another combobox. However, I can not get the label of the combobox to hide as well. The code I am using, which is basically the same code for hiding the combobox itself returns the following error:
Error 1 'DOCUMENT_EVALLabel' is not a member of 'WindowsApplication1.Form1'
Here is the code I am using for the label:
Me.DOCUMENT_EVALLabel.Visible = (EVALUATIONComboBox.Text = "Text")
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Jul 15, 2009
I want my ComboBox to display items from the AutoCompleteSource AllSystemSources.
Basically, I want the Items property to get its items from the AllSystemSources.
But I don't know how to do this.
I am using Visual Studio 2008 Express (Not the WPF forms though)
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Dec 14, 2009
I am a beginner designer in vb.net,, I have designed a simple form,, added a menu with add, update, and delete the records,,In the "delete" form,, I have added a combobox to list the records "StuID" from database,, it is successfully showing,, my query is when building the form the combobox appears empty unless you dragdown the list,, I want that the first record to be displayed directly so that the user knows that there are records in the conbo box,
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Dec 15, 2011
I used this
[Code]...
Nevertheless, mycontrol remains empty after this.
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Mar 23, 2010
I have created a drop-down list box that holds 8 numbers representing a month span (3, 6, 9, 12, 15, 18, 21, 25 months). In order to prevent users from typing just anything into the text box above the combo box, I changed it to a drop-down listbox. The other requirement that I was hoping to implement was for the user to be able to type a number, after which the selection would jump to the appropriate item (i.e. the user types in '1', and the selection jumps to 12). This partially works. It will jump to 12, for example, but immediately after the user types the '1', the Selected Index event changes. The user cannot scroll down or up after typing in a number.
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Sep 30, 2009
I am facing prblm in selecting compbobox...I have a 2 combobox...cboxSelunits and cboxseldept
In selected index change of Cbxunit i am filling CbxDept.and in selected index change of cboxseldept i need to populate the treeview
[Code]...
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Jul 14, 2009
1st Query - I have a combobox which has around 10 entries. They are the names of students.
Vaibhav Agarwal
Karan Kabra
Vinay Chhawchharia
Puneet Kabra
[Code]...
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Aug 28, 2009
I am having a problem to get the results of a combobox when the user uses the tab key to exit the combobox. The combobox uses a database as the datasource. When the user uses the mouse to click on the selection the selectedindex is set proprerly, however when the user will enter some text and presses the tab key, selectedindex is set to -1.
I have attached some test code to duplicate the issue.
Imports System.Data.OleDb
Public Class Form1
Protected dvNames As DataView
Dim conDBTest As OleDbConnection
[Code]....
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Mar 25, 2009
I have a ComboBox that items are highlighted when selected. I there a way to turned the highlight feature off? Is it ComboBox.SectionLenght???
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Nov 15, 2011
i have a combobox and few textboxes in Form1.i inserted new item into combobox by entering new item in one of the textbox.i manage to add item into combobox in Form 1. But how can i achieve if the item i added in Form1 to be inserted automatically into Form2 combobox as well after the operation in Form1. How can i achieve that?
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May 19, 2012
I have auto complete functionality in combo box ,it works properly but there is little issue ,I made the suggestion list appear for the text length more than 3 chars ,but the list appears after the length of 4 char (when user enters the fifth char of the text) which means when the code executed in the first time the list doesn't appear here is the code in Text_Changed Event
Private Sub TxtItem_TextChanged(sender As System.Object, e As System.EventArgs) Handles TxtItem.TextChanged
If Trim(TxtItem.Text) <> "" And Trim(TxtItem.Text).Length > 3 Then
'Autocomplete
[code].....
Note : This issue causes the application exit (sometimes) on Windows XP, but Doesn't affect on Windows 7
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