Select The Value Of Combobox Programmatically?
Jul 11, 2009
i am trying to select the value of combobox programatically.. like my application has a form in that they can edit some field.. one of them can have only few values and they cant be edited.. i am populating them in combo box (dropdownlist type) and later ,
Dim cs As String = reader.Item("Category").ToString
ComboBox1.SelectedText = cs
reader is data reader.. when user click id, it loads all values in all text boxes.. then string cs gets value of that record but fails to select it.. in Main UI the Combo box is blank.. when i click drop down item all values are coming(that are defined previously, but i want only 1 values to be displayed that is associated with that id and its present in that drop down)..
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Aug 10, 2009
I had added the items
1
2
3 to the combobox.
Then I gave the "Select" to the text of the combobox.
How can I able to reset combobox to select the text("Select").
I had tried by giving -1 to the SelectedIndex. But it gives only Empty.
This is for VB.NET Windows Application
I have given an Image for your reference
Image path for the reference [URL]
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Aug 11, 2009
I had added the items 1 2 3 to the combobox.
Then I gave the "Select" to the text of the combobox.
How can I able to reset combobox to select the text("Select").
I had tried by giving -1 to the SelectedIndex. But it gives only Empty.
This is for VB.NET Windows Application
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Jul 18, 2010
got myself a bit stuck here
Private Sub tbMisconfig_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles tbMisconfig.Click
Dim SelectedTabName As String = tbMisconfig.SelectedTab.Name
[code]......
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Mar 7, 2012
I am a beginer in vb.net. For a school project, i have chosen inventory control as the subject. WIth help from videos, i have developed some basic forms with adding/updating.
The product table design is like this:
Name
Type
Size
[Code]...
Now, i am designing the purchase/sales screens. I am showing the items name, qty, price in a datagrid. From the products table, I am able to select the 'ProductName' by giving it a combobox . I want the ProductSellingPrice also to appear in the next column of the grid.
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Dec 8, 2009
I have a DataGridView with about 250 rows. I want to select a row programatically and scroll to it. Whatever I set FirstDisplayedScrollingRowIndex to the value is never greater than 2 and the required row is out of sight. I can manually scroll to the correct row.
iSelectedRow=136
gdgvTasks.CurrentCell = gdgvTasks.Rows(iSelectedRow).Cells(1) ' Method to set Current Row
[Code].....
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Aug 13, 2009
Is there a way to select the CurrentCell programmatically? I want to cycle through the list of SelectedCells and if they don't have a specific ColumnIndex then deselect the column. An error though is thrown when it reaches the CurrentCell though.
For i As Integer = 0 To (dgvStaffHoursNotes.SelectedCells.Count - 1)
If dgvStaffHoursNotes.SelectedCells(i).ColumnIndex = _
dgvStaffHoursNotes.CurrentCell.ColumnIndex Then
[code]....
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Feb 22, 2012
I'm having a problem with combo boxes. I usually use Java and it's been awhile since I used VB but I never remember having this much difficulty.My application is using an SDF file. From Data Sources, I drag the details on one of my Tables to my Form to get all of the fields. Three of them are comboboxes. Each of the three is an INT64 and each corresponds to a primary key in a different table. I click the tasks button on a combobox and for data source I select the appropriate table that has the data to go with the combobox, for display member I select the field that I want users to see, and for value member I select the primary key. Then I run a quick test and start the app, open the form, and add a new record. When I select a value from the combobox the selection won't validate because it doesn't think it's an INT64 like it should be. It seems to be using the display member as the actual value instead because if I change display member to the primary everything works great.
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Jan 5, 2012
I have a form in my vb.net application used to take the data about the returned stock. The form contains two comboboxes. One, named combobox5, contains invoice numbers and the other, named combobox3, contains party codes. Both the comboboxes are pre_loaded using sqldataadapter.
Now what i want is to change the party code in combobox3 when the invoice number is changed in combobox5. Elaborating it further, When Stock is issued the party code is stored along with the invoice number to keep track of to which party was the stock issued. Now when stock is returned i want to keep track that which party has returned the stock and i want that the party code should be automatically selected when the invoice number is changed and it should be what is stored in the database against that particular invoice number....
I'm using the following code for doing so:
Private Sub ComboBox5_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles ComboBox5.SelectedIndexChanged
' defines a new connection to the database
Dim con As New SqlConnection("Data Source=TAHA;Initial Catalog=ADT;Integrated Security=True")
[Code].....
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Jan 3, 2012
I had a DataGridView, and already able to add DataGridViewComboBoxColumn to it. It read data from database StoredProcedure using custom ValueDescriptor class, this is the code for it:
Shared Sub fillComboBoxCellUsingSP(ByVal comboBox As DataGridViewComboBoxColumn, ByVal proc_name As String, ByVal param As Object(), ByVal firstitem As String)
Dim dt As New DataTable
[Code]....
Actually, the line that read comboBox.Value = o is okay. But still, the combo box cell didn't display the value. Just empty. And sometimes, DataError event raised.
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Apr 25, 2012
If have a textbox that is used to search a datagrid when a user types into it. This seems to be working properly, as the correct row is highlighted when text is entered. However, something isn't quite triggering properly because if I try to get the selected row, using dgSchedule.CurrentCell.RowIndex, it always comes up with whatever the last row that was physically clicked on, rather than the row that is actually highlighted.[code]...
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May 9, 2005
How would I go about programatically selecting items in a litsbox? I need a quick way for the user to be able to select all items in the list.
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Jul 19, 2011
I want to select many items from the listbox in vb .net i. e i have the following code:
For i As Integer = 0 To Me.lstdep.Items.Count - 1
If dt.Rows(0)(3).ToString.Trim = Me.lstdep.Items(i).ToString.Trim Then
lstdep.SetSelected(i, True)
End If
Next
running the above code i can select only a single item from the sql server 2005.But i want to select multiple items which are seperated by comma in the back end ....
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Feb 19, 2009
I'm modifying a windows application , and I would like to programmatically select a row inside of a DataGrid. It seems like it should be pretty easy to do, but I'm have a hard time with this.
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Jun 11, 2009
Is there any way I can select multiple items in a listview programmatically in WPF?
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May 28, 2011
Can I let my program select an item in a listbox based on a string (f.e. textbox.text)?So basicly, if an item in my listbox containst a certain string (text from a textbox), it should select that item..
I've been searching for a while, but nothing is doing the job.. Could anyone give me an example of this?
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Jul 10, 2009
I am trying to programmatically select all items, including subitems, in a listview and can't seem to get the result I am looking for. I have FullRowSelect = True set and when I click on the items, all is fine. However, if I use the following code, only the ListViewItem is selected and not the item's subitems. Is there a way to achieve this?
[Code]...
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Feb 5, 2012
I'm using the following sub routines to allow the user to move treeview nodes up/down:
Public Sub MoveNodeUp(ByVal Nod As TreeNode)
Try
If Not (Nod.PrevNode Is Nothing) Then
Nod.Parent.Nodes.Insert(Nod.Index - 1, CType(Nod.Clone, TreeNode))
Nod.Remove()
[Code]...
Is there a simple way to keep the moved node selected after the move?
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Apr 15, 2011
In a Windows Form application (VB.NET) I have a combo box and under certain conditions, when the user opens the DropDown list, I want to display a warning message.All of this works well: In the DropDown event, I check the conditions and if required I display the warning message.The problem is that when the user clicks on Yes on the warning message, I move to another tab on the main form and the drop down list still shows even though I've moved away from the tab containing the combo box.I've searched quite a bit and tried to set DroppedDown to False, call OnDropDownClosed, etc but nothing worked.It seems that when I try to close the drop down list from within the DropDown event, it doesn't work.
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Jun 21, 2010
For my application i'm trying to generate a datagridview with a comboboxcolumn in it. This combobox I wanna fill with some data from a table in my database.I've figured out how to add items to the combobox but I can't assign a value to it. The combobox is suposed to fill with product name items, and the value should be the weight of the product, so later on i can calculate the total weight.But now it's just displaying the product name, and the value is also the product name.
Dim palletds As New DataSet
Dim palletsql As String
Dim i As Integer
palletsql = "Select * from pallets"
[code]....
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Aug 21, 2009
Is there a way to loop through each constant in the ControlChars module programatically? I want to add each of the enumerated control characters to a combobox control.
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Nov 19, 2010
I have a DataGridView with 3 columns (metric_key, metric_name, metric_value).There are for example, 6 ROWS in this table (6 different metrics), added programmatically (DGV is not bound in any way)
Now, when I assign values in my grid I do:
dataGridView1.item("Metric_value",0).value = "value of the metric in row 0, in the column named "metric_Value".
[Code]...
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Feb 20, 2012
I have a website where I am filling form data through VB.Net 2010 through WebBrowser control.
I am able to set value for input:text, input:password, checkbox, select and able to submit form.
But I am not able to select input:file programmatically. I am also able to open "Choose a File" Dialog.
How can I send file name to select and press OK button from VB.Net Code?
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Mar 20, 2011
I need to select the address option on this webpage programatically with vb 2010 webbrowser.I think the html code is here
<select size="1" name="bytool" style="font-family: Arial; font-size: 12px; letter-spacing: -1pt" onChange="searchTool(document.frmNavigation.bytool.options[document.frmNavigation.bytool.selectedIndex].value)">
<option value="none">Select Item</option>
[code]....
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May 21, 2010
I have a datagrid with first coloumn as combobox and second one as textbox. The combobox had datasource with displaymember and valuemember. The problem is when i try to retrieve value from database and put it into the grid i get exception
[Code]...
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Aug 12, 2011
Im Using a datagridview to display items in an invoice. when the user enters the data in, they use a DGVcombobox to select which particular item they want. what i want to know is. can i change the text of the combobox programatically after the items have been filled
Edit The DGV in question has 2 predefined columns one is a comboboxcell and the other is a text box cell im trying to fill it using
[Code]...
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Feb 4, 2010
i using VB.Net to developing my application.in forms i have comobox, in combobox datas are filled by using datasource from process layer.i want '--Select--' is first items in all combobox. but i tried my ways, i cann't bring it.
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Aug 11, 2009
I have a combox which is droplist dropdown.
It has : Item1,Item2,Item3....
When i use :
cob1.selectedindex =1 then it worked.
BUT when I use : cob1.selectedtext= "Item2" or cob1.selecteditem="Item2"
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Apr 20, 2010
I have a form with controls on it which are binded to a table, I have records selecters and so on... Just a simple display and edit form(yes I also want to be able to edit them so...) I created this form just by dragging items from the Data sources window.
Now I want to add a combobox which has a list of titles. And here comes the difficult part: When I select a title in the combobox, all the other controls show the matching info(matching to the title), in other words the datatable which is attached/binded to the controls must move to the right record. I have added a query to the combobox , which has two columns: ID and Title. the displaymember is Title and the Valuemember is ID. So I must look in the datatable for the right ID.
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Oct 9, 2009
I have a combo box with a list of book conditions. When a book is loaded into the form, the condition the book has needs to be selected. How can I do this? Here's what i have: Excellent Very Good Good Fair Poor just for example, how would i select "Good" WITHOUT USING THE INDEX? The database knows the condition text, and condition id. I need to select the condition in the combo box with either. However, I don't know how to add the condition id to the items in the combo box. How would I do this in Visual Basic 2008? **EDIT** I forgot to mention, although i am using a database, i am NOT using SQL Server. I just need a way to select it with a variable containing either the id or condition.
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