Combo Box Doesnt Update?
Feb 26, 2011
I have a combo box with "Existing Customers" Full Names in it.This combo box gets updated when a "New Customer" entry has been entered in a different form.When the new customer entry has been saved, the user is directed back to the combo box, here the user should be able to pick the new entry at the end of the combo box.This is not working currently, and the combo box only gets updated when I press stop, and play the program again. I was thinking that I possibly was not closing and loading the forms corretly for the "new customer name" to be added to the combo box? [code]is it possible to sort the combo box alphabettically? I tried setting the "sorted" propety to True, but it gives this msg box "ComboBox that has a DataSource set cannot be sorted. Sort the data using the underlying data model."
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Apr 23, 2009
I have this code to edit the datarow of my table adapter but t doesnt update the table. I think i have a missing code that's why but i cant figured it out. by the way im using vb2008 and SQL as my database. [code]
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Dec 1, 2010
So I've looked at some of the posts on updating the combo box and none of the methods seem to work for me.
I have two forms I will refer to as Parent, Child. The Parent form contains a combo box of Business names from my database. The Child form adds a Business to my database. After I exit the Child form I want the combo box on the Parent form to update with the new business.
Also I created the combo box by click-dragging the Business table from my Data Sources window to my form.
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Oct 2, 2010
I have a single table that has (3) Fields displayed in their own combo boxes. Right now they can only be sorted by one set of criteria. Unfortunately that leaves the other (2) Combo Boxes in random order. When "One" of the values, in "One" of the combo boxes is updated, ALL 3 of them jump to the same record and display the correct data. This part works as designed.The problem is, I need to have a way to sort the other (2) Combo box's data, which is also populated from the same table, AT THE SAME TIME, so that all (3) present sorted data in each of the (3) Combo Boxes. Then when one of the combo boxes is updated, ALL (3) will get updated, just like they do now.THis data populates three of the cells in a data grid, and then the underlyting table(s) after saving. Like I said, the (3) work, but only with one of the orders sorted. I need the same exact functionality, but with (3) different sort orders on the (3) Boxes.The (3) Combo Boxes are:
1.) cb_PlayerNumber - A Sorted list by the Player's Number (2 Digits as String)
2.) cb_Lastname - A Sorted List By player's Last Name (String)
3.) cb_FirstName - A Sorted List by the Player's First Name (String)
The table these three combo boxes is populated from is the "Players" Table. they all populate perspective colums in the "Gamedata" Datagrid, along with selected data from combo boxes populated from other tables which, when saved updates the "GameData" Table.
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Jul 14, 2009
I have several combo boxes which are mapped to the same datasource (an array), when user selects one combo box, all other boxes are get updated to the same selection too. what is the problem?
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Jul 16, 2009
See the below
Imports System.Data
Imports System.Data.OleDb
Public Class Form1
[Code]....
the last value inserted into the access database will be add to the drop down list of their corressponding combo box.
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Sep 27, 2009
In a windows forms project, I have several combo boxes. The first combo box contains a list of objects. Those objects then have several lists which are used as the datasource's for the successive combo boxes, depending on which item is chosen in the first.
[Code]...
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Feb 24, 2009
i wanted to link options selected from Comb box A (general) to specific options in combo box B (specific). I want to pick a word in Combo box A that has specific words/phrases in Combo Box B show. But not all the words to show in the combo box B if they aren't associated with the Word picked in Combo Box A. Ex.When "Soda" is picked in A, only "Coke, Sprite, Fanta" should be visible in combo box b, not everything else.This is the code i used to make the boxes, but i don't know how to link them.
Private Sub MainForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
' fills the combo boxes with values
Me.xGeneralComboBox.Items.Add("Soda")
Me.xGeneralComboBox.Items.Add("Juice")
[code]....
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Feb 21, 2012
How to use a databound combo box to display one field in the drop down, and another as the combo box text on roll up? Using VS 2005... For example, I have a datatable that has 2 fields. One called "ShortDesc" and one called "LongDesc". I want to be able to see the "LongDesc" column values in the drop down on the combo box. When I make a selection, I want the text in the combo box to read the corresponding "ShortDesc" value.
[Code]...
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Nov 16, 2011
I am getting an error when i try to populate some combo boxes with a value, the combo box has values in and the right amount the code is getting the right number.
the error msg is "Object reference not set to an instance of an object."
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Jun 7, 2012
Combo box 2 is filled based on a selection made in combo box 1 and a listview is populated based on the selection made in combo box 2.When the LostFocus event completes in combo box 1, it hits the LostFocus event in Combo Box 2 but it shouldn't. How do I prevent this from happening or if I can't prevent it, how do I work around it? The following is the code used.
Private Sub cboCategory_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles cboCategory.LostFocus
[code].....
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Jan 12, 2012
I've got some code like the following. I want it so that when I chose an item in 'select 1' it changes the in the second combo box but I'm not sure of the best way to go about it. Does it have to be AJax or can it be done with just Javascript?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
[code].....
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Jul 20, 2011
I have used if commands a lot over the years, and one thing i have noticed is that unless you get the logic right, thiings can slip through the net. I think i am having that problem here:
For mm = 0 To 1 'ds.Tables("AddressBook").Columns.Count - 1
If Night = DataGridView1.Columns(mm).HeaderText Then
If DataGridView1.Rows(0).Cells(mm).Value < 1 Then
[code].....
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Jan 15, 2012
Im using ms-acess 2007 as database and this issue is ridiculous.i run the FORM and enter some details ! and now i click display and display the data that was entered! this thing happens while im DEBUGGING sometimes when i stop debugging and debug again the data that was stored previously its not even getting displayed!! and its not even present in the actual database ! this doesn't happen every time!! this is weird and i dont understand , whats causing this issue?
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Dec 2, 2010
well i have been looking all over the internet for hours and i just cant sseem to find a working line of code. ok i know this isnt efficent or anything but i just wana know how to use sendkeys to send control c (copy to clipboard) ive tried using this: Sendkeys.send("^C") and many varriations of that but none of them seem to work and i dont understan why. My program is highlighting some text then i want it to copy that to clipboard.
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Nov 11, 2009
MsgBox(Session("fllog_ref"))
Dim query As String = "SELECT customer_name FROM tblFixedLine_order_summary WHERE fllog_ref=@fllog_ref"
[code]....
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Feb 13, 2009
is there a way to set a single cell as a combo box? it looks to me that you can only set the whole column.
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May 27, 2011
how do i program by saying if a certain item is selected in a combo box then that item will not appear in a second combo box. i have this code for now but it does not work
[Code]...
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Mar 11, 2010
I know how to add the items during design time but how do you add the items through code. I want to fill the combo box in the datagrid with the results of an SQL query?
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Aug 15, 2009
My.Computer.FileSystem.WriteAllText("my.resources.highscore", TextBox2.Text, True)Im trying to use the resources as the directory but it doesnt work
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Jan 23, 2012
Possible Duplicate: How to use SubReport in XtraReport? I'm having a problem with my XtraReport it doesnt display the Sub Report but it Displays the main Report
[Code]...
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Nov 23, 2009
I am adding values and descriptions manually to a list box.I have a class for the items [code] and in a form the most basic example click a button to add a value and some text and then show a messagebox to get the value [code]however ListBox1.SelectedValue is always blank , however no error is thrown when adding the values.I have gone right back to basics with this example , but just cannot get a value added in manually and stored in the listbox.value property.
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Mar 9, 2010
on my program that im making when closing the app by on my app it is file then exit and it executes Application.Exit()
which works fine but if i exit the program by the x mark in the top right corner it closes the app but the apps name is still in task manager and if i re run it there is 2 instances of my app running so basically it closes the app but it leaves in in the memory i believe can anyone explain why this is happening and a solution because it makes no sense to me because that it part of windows itself not my programming so i don't understand it at all.
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Jan 30, 2012
I created an ASP Table Control and added a row to it programatically. I then repeated the process to add another row. The first row that I added disappeared and only the newest row is being displayed. Is there a property that needs to be set to allow the state of the table to be saved?EDIT:All I do is click a button on the page and it adds a row to the table. Repeated clicks of the button only add one from to the table., here is the function that adds the rows.
Protected Sub addItemButton(sender As Object, e As EventArgs)
'get the id of the item they selected
Dim id As String = CType(sender, Button).Text
[code]....
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Jun 22, 2012
Ive created a program for work which is very plain and simple, a problem i have been having with it is that the OK button. the OK button deletes a key from registry and copies a pdf to the desktop and also creates a .txt file in a folder and as well closes the program. This seems to work on the machine that i have created it on and also from a Flash drive but when i have the folder and program on another PC every button works apart from the OK button.
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Jan 21, 2011
durl is the download url nicely tested and gives right urlthe download path is also ok as i tested smaller files they work...
VB.net
My.Computer.Network.DownloadFile(durl, Application.StartupPath & "games" & info1 & "game.zip", "", "", True, 10000, True)
[code].....
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Apr 11, 2012
I'm not quite sure why, but this program doesnt work as intended. It's kind of difficult to explain but if you tried it, it doesn't work properly.
Private Sub btnApply_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnApply.Click
'clears the changes box before going through if statements
Me.txtChange.Text = ""
[CODE]...
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Jul 28, 2011
The following lines are supposed to display to a text box the phones numbers that match the condition in the sql statement, however it shows me all the phone numbers:[code]
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Mar 17, 2010
i have a problem, from some reason i'm getting an error when "i" and "i+6" value within the str i = 1 To str.Length If i Mod 79 = 0 Then Dim c As Integer = str.Substring(i, i + 6) If c = "" Then str = str.Insert(i, "b") End If End If Next i
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Apr 10, 2011
I tested every example I found but it doens't work in vb 2010 express... Do I need to install anything moor to make it work?
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