Bind Table To DataGridView Using Combobox?
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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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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Feb 5, 2010
[code].....
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Feb 28, 2011
I am trying to bind my SQL param's qurey to bind to a table. My problem is i get this error "Fill: SelectCommand.Connection property has not been initialized."
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
If RadioButton3.Checked = True Then
Dim connectionGrid As SqlConnection = New SqlConnection("Data Source=BST;Initial Catalog=dsfs;uid=dfsdf; pwd='dsfsf'")
Dim commandgrid As SqlCommand = New SqlCommand()
[code]....
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Oct 26, 2011
I'm using VB.net 2005. I have working programs that I populate DataGridViews with something like the following:
[Code]...
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Apr 29, 2012
I have set up at DataGridView "cdgvExp" for data entry. cdgvExp.Datasource = ExpTab. The datagridview can accept new rows according to how many entries there are. I will then use the data in ExpTab. The Fourth colum is called "Lot" and is a combobox in the datagridview. The goal is to have the Combobox in the fourth column have the datasource be LotTab which is populated according to other choices in the form. I am hunting for something that would work like an independant combobox like cbLots.datasource = LotsTab
How do I dynamically set the Datasource and Datamember of a combobox that is already set up in a datagridview?
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Mar 5, 2009
I have a datagridview that the columns are bound to a SQL table. I want the collection of a combobox in the datagridview to contain a list from a SQL table.
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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 2, 2010
I'm currently developing an application with a reasonably complex DataGridView that allows the user to build the lines of a sales document: Quantitiy, Description, Price, etc with some additional fields to help calculate price based on cost or discount i'm sure you get the jist - all this means we're not just diplaying data but adding and manipulating it - It also means there's mainly decimal fields, nit just simple text fields
Now, i'm new to VB.net, so i've perhaps done things a bit backwards during my learning curve, namely designing and coding my DGV before creating the underlying database table and binding to it - so as i'm sure you can image there's a bit recoding to do to allow for the fact that it's now bound to a datasource.
I'd got the DGV working just how a wanted it to, but now that i've bound it to a datasource i'm hiting multiple problems with: Formating the appearance of figures in the DGV Problems with blank fields while enering data (before the i try to save the data back to the database) How the DGV is functioning - it seems to behave differently when adding lines to a new sales document than it does when adding lines to an existing sales document
And given that when saving edits to an existing line i need to provide a valid update command i'm begining to think that it might be easier to scrap the databinding altogether and just Select, Add and Edit the database with code rather than binding the DGV in the IDE
I've read various threads about avoiding databinding due to it's limitations, but i've also read that it's far better in later versions of Visual Studio and .net. and i'm using VS2010
I'd just like some advise as to whether my gut feeling is right or whether i should persevere with databinding the DGV. i've noticed some quirks of databinding while working with other controls such as text and combo boxes, but i've overcome these and the result seems to be easier than coding the data transfer manually.
But i'm really struggling with databinding the DGV and the fact that i'm dtatbinding to a seperate table to the rest of the controls is leaning me away from databinding
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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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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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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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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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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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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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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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Jan 21, 2011
Please forgive, I'm new to Silverlight and am still trying to wrap my head around data binding...
I have a generic list obtained from a class using LINQ. The list has 4 objects, each object consisting of a Letter property (string - A, B, C and D) and a corresponding Number property (integer - 1, 2, 3, and 4).
In Silverlight, I have a combobox control and a text block. I'm trying to figure out how to:
Bind the combobox to the generic list so that the letters populate the combobox.When the user selects a letter in the combobox (say C), the corresponding integer value (3 for this example) is displayed in the text block.
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Aug 21, 2011
it's possibly to bind the values in a combobox to a column in a dataset? If so, how would I go about doing it? For example, If I have a column named 'Names' in a DataSet, each comboBox item would be a name from that column.(There will only me at maximum, 10 entries)
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Jun 30, 2011
I actually have three combobox bind to diffrent table. and I got such the error in my title. Bellow are my codes:
myCommand = New SqlCommand("SELECT (FirstName +' '+ LastName) AS FullName FROM tblVisitor", myConnection)
myAdapter = New SqlDataAdapter(myCommand)
[Code].....
Through this code, i got only the first comboboxthat display the query result, but the other two do not, and display the message 'Cannot bind to the new value member. Parameter name: value'.
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May 14, 2012
I am developing a Windows Form Application against a SQL Server relational database. An example of the database schema is:
TableA
------------------
PK A_ID uniqueidentifier
A_NAME varchar(254)
[code]....
In the form I have a ComboBox (cboA_ID) to select the TableA record (DataSource = TableA, DisplayMember = A_NAME, ValueMember = A_ID) and a TabControl where controls on each tab are bound to fields in either TableB or TableC.My question is, is it possible to bind cboA_ID to TableB.A_ID and TableC.A_ID?This is my first database application so if there is a better way to do this I'm all ears. I have set everything up using the wizards in Visual Studio 2010, so I'm still not 100% familiar with what all the various TableAdapters and DataSets do.
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Dec 21, 2009
I want to Bind a BindingNavigator to a table using OLEDB or any other method (excluding the automatic stuff for increased complexity of my CW). I bound the Data Grid to the data using the following code
Try
Dim DA As OleDb.OleDbDataAdapter = New OleDb.OleDbDataAdapter("SELECT Question.Question_ID, Question.Question_no, Question.Question FROM Question INNER JOIN Quiz ON Quiz.Quiz_ID = Question.Quiz_ID WHERE Question.Quiz_ID =" & GetID(combQuiz_Title.SelectedItem), myConnection.GetConnection)
[code]....
Then I created my own delete and save commands. But I dont how to do the same using BindingNavigator
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Feb 1, 2011
I had a previous thread asking how to make an unbound column work, but quickly found that this causes huge performance issues. I have a table called TieIns, it contains a column TieIn_ID and some other various information.
[Code]...
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Jun 21, 2010
is there a way to caputre the values in a datagrid and bind them to a sql table? I have a datagrid bound to a sql query with some editable cells and I wanted to know if the updates could be sent back to the sql table. is there a way to set the updated datagrid to a new dataset and bind the new data to the existing sql table?
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