[2008] Bind The Combobox To It's Record But Also Display All The Possibilities?
Jan 17, 2009
this code
Me.vendorLookup.DataSource = vendorBAL_C.vendorTable
Me.vendorLookup.DisplayMember = "SimpleId"
Me.vendorLookup.ValueMember = "VendorId"
Makes the combobox have a list of Names (simpleid) and PK (vendorid)
How do you make the combobox also be bound to a specific row of a record in an "case management" table? I've already used the datasource for a table of vendors - right?Or is this where I put two tables into a DATASET and make that be the DATASOURCE?
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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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Jun 27, 2010
I am trying to display a record in my datagridview based on the value selected from a combobox. I tried the code below using SQL Management studio and it works perfectly.
[Code]....
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Jun 22, 2009
I am working on a new winforms application that is receiving data from a WCF service. The programmer has implemented the services like this:Note that this sample is C# but I will be working in VB.NET
[OperationContract]
[FaultContract(typeof(ServiceFault))]
[FaultContract(typeof(ValidationFault))]
[WsdlDoc("Search all cars")]
[return: MessageParameter(Name = "Cars")]
List<Car> FindCars(List<SearchCriteriaItem> criterias);
[Code]...
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Jan 27, 2009
I've got a combobox - style DropDownList.
Three options - blank, EMAIL or PHONE - these three are set at design time.
Do I just bind the TEXT property of the COMBOBOX to the field in the DATATABLE?
This appears to be working fine - but I'm a bit confused about the purpose of SELECTEDVALUE in all this. I'm not binding to that.
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Apr 16, 2010
I am making a checkers program and I am in the phase of starting to evaluate jumps. This is what I currently have so far and allow me to fill you in a bit before you look at the code. Checker pieces are white/green. Each checker is created as a label at runtime and in the tag property a struct is held that possesses all of the information reguarding current and previous checker state.
The problem I am having is that as this sub runs each opposing checker is evaluated for jump capabilites which is all fine and dandy. It is even alright that currently if a jump is executed that the same side will continue to evaluate through the sub looking for additional jumps and if they are found they will be made because that is how it is currently coded. What I am trying to do is find a way to evaluate each piece that can jump. So if checker1 can only make one jump and checker2 can make a triple jump checker2 needs to be the guy making the jump and I honestly don't know how do start that. I am forseeing global vars being created to hold information or even a structure and taking the one that changes the most. If two checkers can only make 1 jump then I will rand the one that gets to jump (not looking to win any awards for AI here). Anyhow, any suggestions on how to start this, at least saving the information throughout the sub even if it is called recursively?
[Code]...
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Apr 18, 2009
I hav a web service which pull records from a database and I am hosting these services in IIS which works fine but I am trying to retrieve the record and display the record in a listbox displaying the time field as the text for that record.I have created the following function
public sub get_data()
dim dt as new data.dataTable
dim service as ws webservice.webservice
[code]...
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Sep 28, 2011
I have a table in my database with 5 columns (ID1 to ID5) and just one row. I'm trying to bind a comboBox, to show ID1 through ID5 in the combobox when my form loads. I have a dataset and tableAdapter's made for this already. I just want to know how to bind a combobox to those ID values.
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Sep 26, 2011
I've started to write an application in Visual Studio 2010 (VB) and I have trouble finding a way to create a button that starts a timer that after 3 sec displays next record of a database (something like slide show). I have a form with 3 textbox (id, field1, field2) and 2 buttons (start and stop).
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Jan 29, 2012
How to i display how many records that i have in a label on my main form for example if i had 3 table called Cusotmers, Orders, Products
How do i get it to show the total amount of each table on label 1 label 2 label 3?
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Jul 23, 2009
In ASP.NET, what is the definitive way to pull one record from the database and bind it and HTML tag?
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Jan 23, 2011
My database : table1
ID FIRSTNAME AGE
1 Sumit 22
2 Sanjeev 23
i have gridview 1 and textbox1 and button1 i want when pages load the gridview displays the all records from table1 and also ...i i wanna search record for firstname by typing sumit in textbox1 and click on button1 then in gridview the record of sumit will be shown ..by default gridview display alll records from table1 How to do this My Selct Query is below : but it doesnot display all record ...but it can display record if you search for a particular record .
[Code]...
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May 23, 2010
I have records in a database. Each record has a Picture path in it eg. "C:\Pics\Image1.jpg". I would like to display a record from my database and also the picture for that record, in a .rdlc report in vb .net 2008. i have succeded in displaying the record but just can't get the picture to show. I am using an Imagebox in the report.
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Nov 15, 2011
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim asm As String
asm = ComboBox2.Text
cmdOLEDB.CommandText = "SELECT * FROM sale "
cmdOLEDB.Connection = cnnOLEDB
Dim ab = DateTime.Now.ToString("MM/dd/yyyy HH:mm:ss")
Dim dr = cmdOLEDB.ExecuteReader
[CODE]...
I choose one record from combo box... that is bind from name after that when i select another it gives error
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Jan 25, 2011
I have a drop-down ComboBox, where the values are a range of indexes, followed by a key value. So one line looks like:01 : 01010101010101010202020202020202
I have set the ComboBox up so that on the form, only "01 :" is displayed, but the DropDownWidth allows the entire string to be seen when the dropdown arrow is clicked.However, once that is done, I am left with "0202" (the last four characters) showing in the ComboBox, rather than "01 :" until the control loses focus. How can I force "01 :" to display?
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Dec 2, 2009
I have a combobox on a form. It works but I want to filter it with a constant value. I don't want to change the query in the dataset because that would affect other programs. So I click on the little arrow on the combobox in the form design view and then click on Add Query and make my new query which I preview and it's okay. The problem is I can't find any way to make the combobox reference the new query. In the properties for the combobox the Data Source is just the binding source. How do I specify a specific query?
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Mar 15, 2012
I have here a combobx1 that has a value of Mr.A and Mr.B. want that if i choose from my combobox1 the selected value will go to my sql database.
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Mar 15, 2012
how do i change the display member of a ComboBox after i have entered a code in a textbox that it represent the combobox value?example
Code: 02-001 Combobox: Provider X
if i change the code the provider combobox must change and if i change the provider combobox the code should change!..
if e.keychar = chr(13) Then
combobox.valuemember = textbox.text
combobox.displaymember = me.stockdataset.selectprovider(@textbox.text)
end if
this code change the combo box display member but if I change the comobox by clicking it the code on the textbox doesnt change, to its corresponding code...the combo box is bound to the provider tables....
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May 14, 2010
I have a listbox that is bound to an observable collection of Audio (custom class).The Audio class has two properties, DisplayText (string) and a property called TarpIds (Observable Collection of Integer).I need to allow the user to change the TarpID in the combo box for each list item displayed and catch the selection change.I created a DataTemplate that styles the DisplayText property from the Audio object and adds a ComboBox to display the available TarpIDs for this audio (These are dynamic and unique to each Audio).The DisplayText works great, but I can not get the TarpIDs to display in the ComboBox.FYI I set the ItemSource at run time that binds the ListUploadAudio to the Observable Collection of Audio.[code]
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Dec 27, 2010
I have cascading data-bound combo boxes, however, if the second of the two boxes does not have the value, I am trying to change the data source of the original process to the default selection.
However I am getting errors no matter what I try to do to get the combo box to clear.
cboSubSystem.SelectedIndex = -1
cboSubSystem.DataSource = Nothing
Call cboSubSystem.Items.Clear()
[Code]....
Currently: "Items collection cannot be modified when the DataSource property is set." at the Items.Clear If I try to remove the clear, I get "Cannot bind to the new value member. Parameter name: value" at the valuemember set
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Oct 22, 2011
I hae a program that opens and reads a textfile database and have several comboboxes with a string of items and the selectedindex is returedn from database
Me.subj_pool_txt.DataBindings.Add("SelectedIndex", Me.BindingSource7, Form10.pool_txt.Text)
Upon opening a new file I run this code to clear exisitng databindings and reset text
For Each ctrl As Control In Me.GroupBox1.Controls
If TypeOf ctrl Is TextBox Then
CType(ctrl, TextBox).DataBindings.Clear()[code]....
My problem is my combobox do not re-bind to new file.They bind fine upon initial instance however
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May 10, 2012
How do I get even basic binding to work between a ComboBox and an ObservableCollection? I can't get anything but error messages.
VB:
Class MainWindow
Dim Units As New ObservableCollection(Of String)
Private Sub Window_Loaded(sender As System.Object, e As
[Code]....
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Apr 16, 2011
I'm maintaining a Datagridview on my Windows Form. When I open the form all the contained records are displaying, which is from SQLserver Table ok. when I open the form the datagridview should show just black and after I insert a new record that particular record should only display on that form gridview. [Code]
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Oct 8, 2011
I have binded the accdb to combobox but it can not bind the data currently, it can only bind the first character of first record of the table for example, if the records are:
abcd
xyz
ijkl
the combobox will display
a
[Code]...
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Apr 22, 2010
I am using a dataset on the server, in this dataset I have a datatable that calls a stored procedure and returns column names from three tables. I call this stored procedure using a web service.i manage to show all the column names in my combobox but when I want to click a button and insert selected column name into a richtextbox I get System.Data.DataRowView in the textbox instead.
My code:
'the combobox
'if I don't have this textblock all the values are shown vertical instead of the normal horizontal lines
'the stored procedure
SELECT COLUMN_NAME
[code]....
how to get the selected text in the combobox to the richtextbox?
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Mar 26, 2010
I have combobox in a form. The combobox is bound to a table and displays the list of values as expected. What I want to do is also bind the combox to another field in a different table similar to the way the datagridview with combobox works. That is the dgv is bound to the combobox column but the dgv's bound value sets/reflects the value selected by the combobox. I can't figure out if this is possible with a standalone combobox.
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Apr 27, 2011
I have bound data from Excel to my project, but now I am trying to pull a specific column from the table and put the information in a combobox. I am trying to pull dates from column O of my excel file, and I want the dates to go into the combobox with no repeats.[code]...
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Nov 18, 2010
I have a DataSet with many tables and a single DataGridView. I need to select a value from a combobox and then pressing aButton to show the selected table to the DataGridView. For example if I select from combobox "Selection1" I would like to show to the Datagridview the contents of the table called Selection1. I paste the event that I thought might work but doesnt show a think: Private Sub aButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles aButton.Click
[Code]...
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May 29, 2009
I'm hung up on the syntax to bind a value to a combobox control. I store the ID of the value in a database. I want the value to show in the combobox control. How do I do this? [Code]
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Sep 27, 2010
I've got a ComboBox with an ItemsSource which I've bound to a List(Of String).What I'd like to do is have the XAML update a String property when the SelectedValue of the ComboBox changes. I've seen a whole bunch of examples for TextBoxes which use
Text="{Binding Path=MyString}"sort of stuff, but I don't really think that'll be the way to go if, in future, I need to change the ItemsSource to a List(Of ObscureObject)...
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