Request In Combobox - Get The Data That Saved In Database
Jun 8, 2011
I have form with combobox I have database contained 2 filed "ItemID" and "ItemName" The combobox fill her data from the database from field "ItemName" I do when I choose in the combobox any item and save, the data saved in database "ItemId" Not "ItemName" by define string put on it "itemId" when the user choose any item in combobox I need when I get the data that saved in database the combobox value="ItemName"
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Apr 5, 2012
I am trying to use the combobox to update/edit/view the saved data (in contact form) from sql server.
My Load_Combobox (in contact form):
Private Sub Load_Combobox()
'Type
cboType.Items.Add("Director")
cboType.Items.Add("Principal")
cboType.Items.Add("Project Manager")
cboType.Items.Add("Technical Manager")
[Code] .....
The problem now is when I saved a record into sql server (EG Technical Manager) and try to view back the saved data, it always show the first item (Director) in combobox. But, my sql server has saved is "Technical Manager" for that saved record.
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Apr 3, 2012
im trying to use the combobox to update/edit/view the saved data (in contact form) from sql server. my Load_Combobox (in contact form):
[Code]...
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Dec 22, 2009
Using VB 2008 Express, I've constructed a simple database type app for saving contacts. The table data I save at design time is always saved correctly but data entered at run time seems to get saved even after closing the app and VB. However, after restarting the computer, the newly entered data is usually gone. Why would this be? I've seen a few video tutorials on creating simple database apps and did everything they did and am getting the same problem. I thought it was a configuration problem so I actually re-installed Windows and VB 2008 Express (as well as 2010 Beta 2). I have noticed that in the database explorer, the .mdf file has a red x to the bottom right of the yellow database icon and when I click the + it seems to turn into a black plug. Is this normal?
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Jan 17, 2011
I have datagridview in which 2 & 3 rd columns are Combo Box. I have saved the data to the database from datagridview. But while retrive if i assign datatgridview.datasource= mydatatable.It addes new coulm show the values. for my combobox columns it shows the value member values. If change the datagridview.autogeneratecolumns =false
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May 12, 2009
I have tried to test out the add delete and save function on a datagridview but the data that I added during testing would disappear after I made some changes to the code.
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Jul 27, 2010
I'm using this code to update my access database.
[Code]...
If i run the program in debugmode and then do a update it will be saved to the database.(must stop and run again to see the update. How to se the update directly?)
My main problem is that if a build the program and run it outside VS then update never being saved. How can i solve this. I tried using "commit"(maybe totaly wrong) but that didnt work.
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Jan 26, 2012
Program works but data is not saved in database and so it executes "Not According to Specification
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Jun 30, 2011
I got the System.Data.DataRowView when I tried to select the data from sql database. These are my code:
......
myCommand = New SqlCommand("SELECT FirstName +' '+ LastName FROM tblVisitor", myConnection)
myAdapter = New SqlDataAdapter(myCommand)
[Code].....
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Mar 29, 2012
Im trying to send data from a Windows Form to an aspx page and send back a response. Im running around in circles trying to make this work. The data im trying to send is 4 strings. So fare I have this in my code, using the build-in webclient in visual studio 2010, in the windows form sending to the aspx
[Code]...
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Jul 13, 2010
Imports System.Reflection
Imports System.Data.SqlClient
Imports PSXSTL.Data.DataAccess
[code]....
How do i generate a new GUID and Add a new "CustomerName" to my table if the GUID doesnt exist.
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Jun 10, 2011
I'm having a problem to pull data from MS Access to my combobox. I know how to search one data using another data (e.g: using IC num to search name) but this time I just want to pull the data (e.g: name) that has several rows to my combobox. I think the method is the same but don't know where to change it.
Then when I added new names to the combobox, want to save it to my database, can each name be saved in different rows? I added the names to the combobox 1st, after that then I saved it. [code]...
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Aug 23, 2011
trying to put data from a database into a combobox. i've tried different way, still not working.
Public Sub SaveNames(ByRef SQLStatement As String)
Dim cmd As MySqlCommand = New MySqlCommand
With cmd
[code]....
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Mar 24, 2011
Im now creating an inventory system for my project.
i having difficulty with my project im using combobox to select data from database and i want to update the data. if i selected second row of the data it will update the first row of the data.
eg.
"comboboxitem_name" - red ball pen
- blue ball pen
- black ball pen
"quantitytextbox"- 100
"reorder_quantitytextbox"-20
when i selected the "blue ball pen" and fill the information that i want to update then press the submit button. the red ball pen will update with the information that i want to update to "blue ball pen" and the "red ball pen" will change it name to
"blue ball pen". and now i have two "blue ball pen", one with "red ball pen" information and the other one with original "blue ball pen" information.
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Mar 5, 2012
I'm doing small system using database 03. I had function to add data into a comboBox. When i add a new data into the the same field using another form, then back to the main Form the comboBox does not update the current data in database..
Codes i tried:
'Form Load
Private Sub FrmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[CODE]...
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Feb 3, 2010
how to retrieve data from SQL Database using SQL Connection by selecting the individual value in a ComboBox which the data in the ComboxBox is also retrieved from the SQL Database using DataBound. A 'Display' Button will be clicked to display the data in a TextBox, based on which value the user had selected.
Below is my current
Private Sub displayBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles displayBtn.Click
'Create Connection
[Code]....
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Mar 11, 2010
I cannot get my combo box to populate using a select statement from mysql database.
[Code]...
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Jan 27, 2012
Here is the code for the loading the combobox. I want to load the combobox with the Name of client. so that user can select the Name and then the details which are associated with that ClientName are to be displayed in the desired textboxes.
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Jul 19, 2010
i want to view data(from database) in textbox or combobox itried to use the code as same as datagridview but it doesnt work
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Dec 14, 2009
I know how to pull data from an access database and place it into a combobox, but I am trying to make certain that I dont have multiples of the same information.
Like one column is for countries of origin.
United States
Canada
Mexico
In the combo box, it should only list the United States only once, not multiple times.
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Mar 9, 2010
How to filter data from the database to combobox? For example, the database have the data, and i have a combobox, then i want to type the first letter, and the dropdown list comes down that the data have the first letter that i type in the combobox.
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Oct 20, 2011
sample code for show id from database ke combo box. i use sql database.
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Nov 9, 2009
my problem goes like this:i am making a system of a certain bakery...i already saved some products in the database and i also imported it in the combo box...my problem is this....from my combo box...i want to print it in the list box with its price
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Jul 26, 2010
I did populate data from db into the combo box and display it into the text field .
Below is my code :
Imports System.Data.SqlClient
Public Class MPEJobEntry
'declaration of connection string
[code]....
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Jun 2, 2010
What I am trying tot achieve is the following:User inputs data in one form that saves to the dataset table no problems. On an edit screen I want the current data saved to appear in this page within all the relevant fields but when saving I want this data to add to the dataset table as an additional line of data so the transaction records are kept.I want to add a new datarow regardless of it saving one change or all 7 changes that are possble.
e.g. Line 1 - user inputs 7 cells of data Line 2 - user amends 2 cells of data Line 3 - user amends 1 cell of data an so on. Unfortunately the terminology for certain items above may not be correct as I am still new to this programming and still on a massive learning curve.At the moment I do not have the code for what I am trying to achieve as I really dont know where to start with it.I am currently able to save the data and have it appear in the "edit" panel however only the cells changed are saved an it overwirtes the initial input.
[code]...
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Jun 30, 2009
i am creating app , its a question i am stciked at , i am using vb 2008 by using databinding my combobox has the list ready from one column but as selection change the values from all textboxes and labels should change as per the combbox's selection can anyone help
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Aug 31, 2009
I have a checkbox in my application,when the checkbox is checked then i want to fetch the data from the database and add it to the dropdownlist of the combobox.Again when the checkbox is unchecked then i want to ramove all the data from the dropdownlist of the combobox.
I did this
Private Sub CheckBox1_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles CheckBox1.CheckedChanged
If CheckBox1.Checked = True Then
con = New OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0;Data Source=Etech.mdb")
[CODE]...
When the checkbox is checked then the data is added from the database to the dropdownlist of the combobox but when i uncheck it then the data is not removed from the dropdownlist of the combobox. In the above code i think i need to add an else condition to remove the data from the dropdownlist of the combobox and make it empty when the checkbox is unchecked.......but i cant give the proper else condition in the above code.
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Jul 10, 2010
I have been searching the Forums for a solution to my problem, but I can't find anything that relates to my specific situation. All of the postings regarding not being able to save changes to a database have had to do with a datagridview. On forms that I do have a datagridview, my changes are saved.But I have a form with textboxes, comboboxes, and pictureboxes bound to a bindingsource,
Private Sub Back_Button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Back_Button.Click
Try
[code].....
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Sep 19, 2010
I have a very large Access database and the code which try to edit a record is below
[Code]....
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May 5, 2012
so i added a service based database in my visual basic project. At this time the project only exists of logging in or registering, after which you'll log in.now all my SQL seems to be correct and working, the code is good, but when i register new user, it doesn't get stored in the database. but it does get stored...
i know sounds weird right, well what i mean is that apparently the data is getting stored somewhere because i check whether or not the username exists already. if it does i get a message box. Now the weird thing is that between builds and runs it remembers all the users i registered, but when i close the program and later re-open it, all the data is gone...
i used parameters to insert the date, everything from code below:
Private Sub btnLogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLogin.Click
[Code]...
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