Binding A Combobox In A Datagridview To A New Table?

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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Binding Master Table To TextBox And DateTimePicker And Binding Details Tables To Datagridview Then Add / Update / Delete In Both

Jul 2, 2011

Binding Master Table to TextBox and DateTimePicker and Binding Details Tables to Datagridview then Add / Update / Delete in both

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Binding Table Record Into Combobox?

Jun 3, 2011

I want to retrive data from table into combobox ..when the user click combobox items it's corresponding data will be show.In details :I have PERSON table , my program allow to the user search by : Person Name When the user enters the name into TextBox the combobox items will be all names existed in database same which user entered. when the user selects item from combobox a new form will show all person' data

[Code]...

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Binding Database Table With DataGridView Control?

Jul 10, 2010

I have one textbox at form named "Ord ID". I have bind database table with datagridview control and now on load event data is displaying correctly. In Datagridview there is one column which is checkbox type, suppose at datagrid there are 10 records displaying, and I have tick 6 checkbox for 6 records, so when I press add button then the value exist in textbox automatically comes to only six records of Datagridview column named "StatusID".

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Datagridview Has Wrong Number Of Columns When Binding To A Table

Nov 4, 2011

I need to have multiple lines in a cell, so I use DataGridViewTextBoxColumn.DefaultCellStyle.WrapMode =DataGridViewTriState.True. I add columns (datagridviewtextboxcolumn) in designer. Then bound datagridview to a table which has exact the same columns as datagridview. Then I find that datagridview has duplicate columns: the first column is empty (which I guess is added through designer), the second column is filled with data from table. My question is how to correctly allow multi-lines and bound to a table at the same time?

In Designer
Friend WithEvents DGV As New System.Windows.Forms.DataGridView
Friend WithEvents columnClient As System.Windows.Forms.DataGridViewTextBoxColumn
Friend WithEvents columnAccount As System.Windows.Forms.DataGridViewTextBoxColumn
Me.DGV.Columns.AddRange(New System.Windows.Forms.DataGridViewColumn()

[Code].....

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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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DataGridView Column - How To Populate ComboBox From SQL Table

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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Binding To A Combobox?

Jul 17, 2009

I am trying to add 2 databindings to a combobox. 1 will bind to the text, andthe other one will bind to the selectedvalue. However, I am only able to add one databinding to the combobox.

cmdCustomerID.DataBindings.Add(
"Text", TblCustomerBindingSource, "strCustomerID", True)
cmbCustomerID.DataBindings.Add(
"SelectedValue", TblCustomerBindingSource, "idxCustomer", True)

This is what I have done. Only the selectedValue DataBindings.Add is being captured.

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Binding Data To A ComboBox?

Nov 25, 2009

I'm trying to bind data to a combo box but it does not appear to be working. I've setup the DataSet and the DataSetBindingSource and all this appears to be working, within the form design I can expand the little arrow in the ComboBox control and preview the data. This appears to be working but when the application is run, nothing appears in the drop down box.

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Binding Foreign Key To Combobox?

Feb 24, 2010

I have 2 tables:

Locations
location_refnbr (pk)
location_name
office_refnbr (fk)

[code]....

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Complex Binding If ComboBox?

Sep 9, 2010

I have combox1 and i want to dispaly Foure Columns in combox1 and I make this

Dim dr As SqlDataReader = SqlHelper.ExecuteReader(conn, CommandType.Text, "select FirstName,FatherName,GrandFatherName,FamilyName from dbo.PersonalData")
Dim dr As SqlDataReader = SqlHelper.ExecuteReader(conn, CommandType.StoredProcedure, "GetSpecialFieldOFPersonalData")
Do While dr.Read
Me.ComboBox1.Items.Add(dr(0) & " - " & dr(1) & " - " & dr(2) & " - " & dr(3))
Loop

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Combobox.items.add - Combobox To Have A List Of Choices From A Table In A Db

Jun 14, 2011

[Code]...

I'm making a combobox on a form. I want the combobox to have a list of choices from a table in a db. The two columns are a String and a Date. I want the date column to only show the year. I'm hoping I have the code right as it is above, but I'm not positive I've done the whole date thing right.

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Asp.net - Gridview Binding With Combobox's In Header

Jul 27, 2010

how one might go about binding to a gridview in ASP.Net 4 in a scenario where the first row of my gridview should be the headers, the second should be a combobox for each column and the third is the beginning of my actual datasource.

If you can imagine what I am trying to achieve is an ability to create a binding between each column in the datagrid and another datasource. This binding is created by the user selecting a value in the comboboxes. However no matter what I try I cant seem to achieve this.

HeaderText1 | HeaderText2 | HeaderText3
ComboBox1 | ComboBox2 | ComboBox3
DataRow1 | DataRow1 | DataRow1
DataRow2 | DataRow2 | DataRow2
DataRow3 | DataRow3 | DataRow3

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Binding Combobox With Concatenated Values?

Jun 3, 2011

My code is:

sqlsub = "SELECT distinct field1, field2"
sqlsub += " FROM tbl I
Dim da As OleDbDataAdapter
Dim lsdataset As New DataSet

[code].....

My prob is how should I bind the combo with field1+"("+ thpr+ ")" thpr is the string i get from function by passing field value 2 from query my combobox should be displayed as field1 + (thpr).

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Binding Label And Value To ComboBox Winforms

Sep 23, 2010

I have this code
Public Sub FillCategoryCombobox(ByVal categoryList As List(Of tblCategory), ByVal LvName As ComboBox)
LvName.Items.Clear()
Dim itemValue = New Dictionary(Of Integer, String)()
For Each category As tblCategory In categoryList
itemValue.Add(category.CategoryID, category.CategoryName)
Next category
LvName.DataSource = New BindingSource(itemValue, Nothing)
LvName.DisplayMember = "Value"
LvName.ValueMember = "Key"
End Sub

I receive an error on
LvName.DataSource = New BindingSource(itemValue, Nothing)
Value cannot be null

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ComboBox - Binding Items To Objects

Aug 24, 2011

VS2008 targeting .Net 3.5x. I have a combobox with a datasource and display member set, and when I run the project, I see the items. I am also binding the selected item to another object which contains the item upon which I want to select. I have verified that both the bound object and its underlying data contain the value I expect. The problem is that I cannot get it to select the correct item - it only ever selects the first item in the list.

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ComboBox - Looping Through Binding Sources

Dec 3, 2009

I can loop through comboboxes likes:
for i=0 to 5
directcast(me.controls ("combobox" & i.tostring), combobox).items.add ("Hello")
next

However, if I do the same thing with binding sources:
for i=0 to 5
directcast(me.controls ("bindingsource" & i.tostring), bindingsource).movenext()
next

It errors me saying that you can't cast binding source as a control or something (they aren't of the same type). How do I loop through binding sources?

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Combobox Binding Data Conflict

Jun 17, 2011

I've got a bound Combobox in a database for a lookup but when i set it up and change the data in the combo the program won't let me go and further. There is a data conflict but i don't know where. The problem is here in the combo setup:

Display member : ProductName (nvarChr(20)
Value Member : ProductID (int)
Selected Member: SelectedLookup (int)

This doesn't work. Everything is displayed in the dropdown by name but when i select a item. I can't go any further. If i change the Display member: to 'ProductID' the program works fine. but displays the ProductID where users won't understand. It's like it is trying to store the 'displayed member' Product Name instead in the Value Member 'ProductID'. if i use a list box instead the program works correctly.

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DB/Reporting :: Binding Two Sources To A Combobox?

Jan 19, 2010

In a manufacturing environment I'm using an Access database to store properties of manufactured parts. I've queried a table to fill a datatable, which then populates the attached form.

[Code]...

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Forms :: Binding Foreign Key To Combobox

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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Gridview Binding With Combobox's In Header?

Aug 23, 2010

enlighten me about how one might go about binding to a gridview in ASP.Net 4 in a scenario where the first row of my gridview should be the headers, the second should be a combobox for each column and the third is the beginning of my actual datasource.If you can imagine what I am trying to achieve is an ability to create a binding between each column in the datagrid and another datasource. This binding is created by the user selecting a value in the comboboxes. However no matter what I try I cant seem to achieve this.

HeaderText1 | HeaderText2 | HeaderText3
ComboBox1 | ComboBox2 | ComboBox3
DataRow1 | DataRow1 | DataRow1

[code].....

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VS 2008 Binding Combobox SelectedIndex?

Feb 25, 2010

I have in my database a smallint field with 2 values 0/1,is it possible to bind that field to a combobox with 2 values "Yes" "No" without creating another datatable for Yes/No values or to modify sql query to bring Yes/No instead 0/1 something like binding to SelectedIndex ?

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WPF - Binding Converted Enum To ComboBox

Apr 7, 2011

I tried to bind the following Enum to a ComboBox
Public Enum PossibleActions
ActionRead
ActionWrite
ActionVerify
End Enum

I can't change the Enum itself, but I do not want to display these strings. My intention is just to cut the prefix 'Action' and display 'Read', 'Write' and 'Verify' in the ComboBox.

Therefore I wrote a ValueConverter
Public Class PossibleActionsConverter
Implements IValueConverter
Public Function Convert(ByVal value As Object, ByVal targetType As System.Type, ByVal parameter As Object, ByVal culture As System.Globalization.CultureInfo) As Object Implements System.Windows.Data.IValueConverter.Convert
[Code] .....

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VS 2010 : Make The Combobox Get Data From One Table And Input It To Another Table?

Jul 7, 2011

I have 1 access database with 3 tables How do I make the combobox get data from one table and input it to another table?ex.I have a table with all my Carriers and another table with jobs that are assigned to Carriers?

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Adding And Binding A Combobox To A Bound Datagrid?

Mar 15, 2012

I have a datagridview bound to a datatable. I want replace one of the cells with a combo box and bind that combobox to one of the columns in the datatable. I have been able to replace the cell OK but currently have two issues I have not been able to resolve.

1. When I add items to the drop down (items.add ("Yes")...) they don't appear in the drop down box.

2. I can't figure out the syntax to bind a particular column in my datatable to the newColumn(combobox) in the datagridview.

dbConnection = New OleDbConnection
cmdCommand = New OleDbCommand
Try

[Code].....

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Binding A Combobox With Strongly Typed Dataset

Dec 10, 2011

I want to bind a column of a strongly typed dataset to a combobox. But the problem is i have to get only the distinct values from the column and also when a user inserts a value into that column the new value should be showned in the combobox at the same time.And also i want to make the first row of the combobox to be unselectable..[code]how to make this column distinct values

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Binding Data To ComboBox - Converting Value To Month Name

May 2, 2011

I have a vb.net application. I just want to store a month as number in database. But frontend itself I want to display the month as name jan, feb ........like way in combobox. How to convert database value to month name . I am binding the data from databse to combobox.

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Forms :: Binding Combobox To Generic List?

Sep 13, 2010

What I would like to do is bind a combobox to my own object which is as follows:

Public Class Categories
Public Sub New(ByVal myConn As SqlConnection)
Dim myConnection As SqlConnection = myConn
myConnection.Open()

[code]....

(I have put breakpoints and I know this object has data.)So on my form how do I bind my combobox to this object? The code I have is below:

Dim bs As New BindingSource
bs.DataSource = New Inventory.Categories(myconn)
cboCategory.DataSource = bs
cboCategory.DisplayMember = "Description"
cboCategory.ValueMember = "CategoryID"

but it returns the following error: Cannot bind to the new display member. Parameter name: newDisplayMember

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Handle Binding A Combobox With Lookup Data?

Jan 19, 2009

I'm wondering what a best practice is for handling this.I've got a standard vendor table - with VendorId (which is PK, numeric) and a field the users call SimpleId (which is usually a name - don't let the column name of SimpleId make you think it's numeric!).I've got one datatable that comes from a data adapter that looks like this. And this already changes the table in the SQL database...SqlDataAdapter("Select VendorId, SimpleId From Vendor_T", _connection)I've got this datatable on one panel of my form with a binding navigator - and you can change the SimpleId for a vendor with this.

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VS 2008 Binding Data From Combobox To Textbox

Mar 29, 2011

I am binding the data from combobox to textbox.In the Combobox Click event i coded as below for binding:[code]In the above code only the first value is showing in the textbox but when i select next value in the combobox the value is not changing..Is any loop i need put for binding? B`se i need when ever i change or select the value in the Combobox then the corresponding value should be change in the Textbox.

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