VS 2008 ComboBox Selection Populating DataGridView?
Feb 7, 2012
I have a form with a DataGridView and ComboBox, both of which are populated with data from an Excel spreadsheet, the source is unbound. My problem is in repopulating the DataGridView with data from another worksheet in the same Excel file when the user selects the corresponding value from the ComboBox. For example if they were to select January from the ComboBox then the DataGridView would load in and display the data contained on say Sheet2, selecting February would load Sheet 3 and so on. I am running Visual Studio 2008.
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Jan 8, 2010
I'm trying to populate textboxes on one form based on a selection on a combobox on another form. All data will be pulling from the same SQL table. I've got the combox to work fine to show the correct data in one of the textboxes by using the lines:
Dim connectionString As String = "Data Source=F03D3S-DEV01; Initial Catalog=dos_track;" _
& "Integrated Security=True"
[Code].....
,but not sure how to get the other textboxes to fill with the correct data (from the same SQL table row) associated with the combobox selection. I've spent SO MUCH time on this trying to figure it out, but am getting nowhere fast...
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Feb 20, 2011
in my windows form i have 2 combobox. populating combobox2 according to selection of combo1. combo1 i am binding on formload.
[Code]...
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Mar 26, 2012
I have a database with table "Customer" that will be the datasource for my form controls. My form has a combobox and various textboxes that need to change based on the selectedvalue in the combobox, cboCustNo. Firstly, I'm try to get the combobox to populate with the customer names on the table but have the value member of the combobox set to their customer numbers (just for ease of indexing). Based on the user's selection I'm trying to have various textboxes show the corresponding data (Address, City, Balance, etc.). The code I have so far is below:
Dim cnnDB As New Data.OleDb.OleDbConnection
Dim cmdSelect As New OleDb.OleDbCommand
Dim rdCustomer As OleDb.OleDbDataReader
Dim CustTable As New DataTable
[Code]....
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Nov 2, 2010
I am using the below code to populate my combobox inside datagrid view; i got the code below from different source hoping that it will work;
Private Sub Form1_Load(ByVal sender
As Object,
ByVal e As System.EventArgs)
[code].....
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May 19, 2012
I have a scenario. Database name my_db
[Code]...
Am Using an Untyped Dataset to populate a datagridview from Table_3. Issue is i really need to Show the 'ColumnStudentsName' from 'Table_1' that corresponds to 'Table_3'
[Code]...
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Mar 26, 2009
I have an unbound DataGridView control that displays a few columns of account data. The first column is a combobox that I fill with data from a dataset of names filtered by what's in a customer field on the form. When you click on a combo on one of the populated rows, the available names come up in the combo. But if the first click in the datagridview is on a new row's combo, various (incorrect) names appear. Only after you click on one of the populated row's comboboxes, does the correct data appear in the new row's combobox control.
I don't really understand why this is happening. I have been using the EditingControlShowing event to populate and add the combo to the new row, but it doesn't seem to be working very well. I hope someone out there has some ideas about the correct way to do this.
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Nov 16, 2009
I've got a window with multiple datagridviews. Each with data from a separate dataTable. All of which are part of the same DataSet. There are a couple of places where one DataTable has a field joined with the lookup dataTable from the dataset. For example a lookup table for LugSizes has a field called LugSize that is also it's primary key. Another table called Device Terminations has a field called LugSize to which the user can only select those values from the LugSize lookup table. I thought it would be as simple as using the Items.Add method for the combobox column whenever a new lookup table row was added to its own datagridview. Unfortunately, when I try to initially clear the items list, the data error event is triggered for every row.
Here's a sample of my code if it helps:
HTML
Private Sub FillLugSizeComboBox()
Try
If colDTLugSize.Items.Count > 0 Then colDTLugSize.Items.Clear()
[Code]....
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Jan 22, 2012
I have a ticketing system that reads a MS 2003 MDB. I can easily fill the DataGrid view with all of the items on the data set How ever I need to be able to have agents filter the rows by login(key)
I have a large list
made this way
csrLogin.Add("james", "TomJim")
I select agents on the menu strip and the combo box populates all the names in that collection (combo box displays TomJim in this instance
I have an SQL query made (I think it is correct)
[Code].....
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Apr 9, 2012
How can i bind a comobox selection to a datagridview without writting code...
i Need to select an item from a combox and based on that item refresh the datagrdiview. I did something like that in Access but i don't know how to make it work in visual studio 2008.
once i select the datagridview itme that i want to edit i'd like to be able to update back to the database. I know i need to write code for this but at least i'll have the data refreshed on the datagridview.
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Apr 20, 2009
how can I make program using vb 2005 that will dropdown the datagridview combobox and display to the datagridview textbox everytime the combobox selection change or when you choose the data.The mousemove is not perfect because when the dropdown combobox length more than the datagridview, the mousemove will not work even other features of datagridview.
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May 19, 2008
I have a datagridview (datagridview1) on my form which onload displays all the records from the bindingsource (bindingsource1) via an sql connection to a table in sql server called "article".
I also have a combobox on the same form which displays the name column from the same "customer" table -
Me.ComboBox1.DataSource = customerTable
Me.ComboBox1.DisplayMember = "custname"
Me.ComboBox1.ValueMember = "custid"
I would like to enable my combobox to filter the datagridview via itsSelectedIndexChanged event . So if custname "xxxone" is selected in the combobox then the datagrid shows only the results for custname "xxxone".
So far I have worked out how to enable the combobox to move to the position in the datagridview depending on which custnameis selected-
Me.myBindingSource.Position = Me.ComboBox1.SelectedIndex
But this method still shows the other titles,it doesnt filter them out, it just points to the selected custname. I cannot find how to filter the datagridview so ONLY the selected custname is shown.
I will be changing the field names, I have used custname and custid just to describe what I am trying to do.
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Aug 15, 2010
I have on my form a combobox, a datetimepicker, a button and a unbound datagridview. The datagrigview is fild with data like a yearcalender.So i have in first column all dates of januari, then a blanc column, then the dates of februari, then a blanc column and so on...This is wat the user will do :
select his name from the combobox, select a date from the datetimepicker and press the button.What i would like to happen then is this : Find in the datagridview the same date as the selected one and then place the selected name in the blanc cell next to that date.
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Feb 28, 2010
I am trying to populate a datagridview with the content of a text file.
the text file contents are as follows:
[Code].....
I get no error while building the project. The textline variables are being populated correctly.
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Jun 10, 2010
I have developed a drawing tool that allows the user to add graphically referenced database records to a picturbox.While for testing purposes i was simply loading any picture into the picture box what i want is on selecting a building name from a combobox that it automatically populates the related floor levels (that apply to that building)to appear as a selection in a 2nd combobox. On selection of say 1st floor i want to load the relevant floor plan (JPEG)image into the picturebox.The tool i have developed has an estate builder function where you ccan build your estate profile i.e specify the buildings and floors etc and these are added to a database file. What i would like to do is at the same time specify the floor plan JPEG file location and for this to be stored in the database in a way which would enable me to load the image automaticaly when i select the floor level
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Mar 19, 2010
i had this working and i foudn the info on this forum, but i cant for the life of me renemebr how to do it, and searching for the thread all i can find is this:
[URL]
Which is not it, the method i used only involved a few clicks per item to set up and it made it so what ever selection was chosen in a combobox for example was saved, and then that selection was loaded on the apps next run, i know i had to do something in the application setting/databinding area of the properties.
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Dec 15, 2011
I have a DGV I am working on, and I have many columns.
For example I have Columns colcase(Combobox), colreportTime(Time)
the combox shows 4 cases {A,B,C,D}
what I need to do is if the user select "C"
the the colreporttime will show the time of this change unless the old value is C
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Sep 23, 2009
I've been playing with a DGV. Let's say for my question here, I want a grid that is 10x10. I would like the font in each cell to be Arial 10 regular. Only one character will be in each cell (I'll use "M"). I would LIKE the cells to be 17 pixels by 17 pixels. But, if I manually force the column width to be 17, I get about half of my M and three dots "M...". I'm thinking this is a padding thing but as far as I can tell, everything is set to 0. See code and then more comments below:
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
With DataGridView1
[Code]....
Question 1: How can I reclaim some of what seems to be lost space around the cell contents so I don't have to make them bigger than they need to be? I'd like them to be 17x17 with the single character centered within.
Question 2: Do I have to manually set the height and width of each row and column? I'm thinking the RowTemplate setting but can't seem to get it to work.
FYI: This is a new project with a DGV dragged onto the form. All changes have been made programatically.
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Apr 14, 2009
I have a product table with ProductId,ProductName,ProductCode as fields. I've populated a combobox with productnames. Next I have two other tables called Result_Header and Result_Detail. The Result_Header table has ProductId as a foreign key and BatchNo,TestDate etc. The Result_Detail table has ResultId as a foreign key which is the ResultHeaders Primary Key and other fields such as Result,SpecHi etc. What I need is when I select a Product from my combobox my two datagridviews must be populated via the Result_header and Result_detail tables respectively.
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Jun 4, 2010
I have a program that needs to display a playlist of songs, for a band performing someplace, from a .txt file. The songs in the file are listed as follows:
All You Need is Love-Beatles
Rock
4.25
[code]....
The first line is the song's title and group name. The second is the songs genre. The third line is the songs length, 4.25 is 4 minutes and 25 seconds.upon clicking a button, I need to display a playlist from this .txt file based on the number of minutes the band has to play, minutes entered into a TextBox, and the songs genre, selected from a ComboBox. The songs cannot repeat and must be random.I have already coded the program to read the .txt file but have not clue where to start with the rest.
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Jan 23, 2010
I had created 3 datagridviews dynamically. In each dtatgridview a single cell is selected by default. I want to avoid this default selection how can I do this?In a single form 3 cursors.....Not active but looks very boring.
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Aug 25, 2010
Ive got a datagridview, which the user can put in to 'edit' mode by double clicking. If they then make changes but click to another row, I want to msg asking if they are sure they want to discard then changes. If they say No I want to stop the selection change from being made.
Private Sub DataGridView1_SelectionChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DataGridView1.SelectionChanged
If edit = True Then
[Code].....
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Mar 27, 2011
Is there a way to update source combobox to printer combobox selection?So going from printer1 to printer2 the source will update according to what that printer has to offer.
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Nov 27, 2009
I'm pretty new to VB.Net programming, but have already been able to figure out many things using this forum, but also via the many other forums on the internet.I'm currently stuck with a question though regarding getting the clicked value in a datagridview comboboxcolumn.When I use _Selected IndexChanged and then check the current cells value, what I get is the value before I clicked the new one in the comboboxcolumn.When I use _CellEditFinished, I can get the new value, but only after I selected another cell, or changed focus to another object.How do I get the new value from a DataGridViews ComboBoxColumn the moment I clicked it in the pulldown menu from the ComboBoxColumn?
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Apr 15, 2012
Populating the combo box with the list of items from the one of the column in table from database.Based on the selection of item in the combo box, the another combobox should be populated with value corresponding to the selected item in the first combo box.[code]The problem with this code only the first row that is populate in the 2nd combo box.
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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 15, 2012
I have two comboBoxes, one is CountryCombo and second is StateCombo.What I want is the that when i the clicks country combo and select a one country then the States of that the country should get populated in the State Combo.I have tried things many many many but nothing working. Below is my code of how my CountryCombo is getting filled.
query="select CountryName from CountryMaster"
if dr.hasRows()
{[code]......
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Apr 4, 2012
I have a combobox which populates information from a textfile, however I was wondering if it would be possible to only populate the fourth field? each field in the text file is separated by tab (space).
For example the text file has the following information
orange yellow blue brown green
pink purple green yellow black
red purple pink black neon
green blue purple gold silver
The combobox I want to display brown yellow black gold I have the following coding in place however it shows all fields in the combobox.
[Code]...
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Dec 27, 2009
So im having a problem getting data from a table to display in my ComboBox
This is what i have:
' 2LT_Priority is the table name
' PriorityName and Priority_ID are Columns
Dim ds As DataSet = _2LTDataSet
[Code]....
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Nov 28, 2011
What is the best way to populate a combobox from a database?I've looked at previous questions but they all seem more complex than my query.Data base table has just two columns, ItemId & ItemDiscription I just need itemId field to show in the combobox.
ie
Connect to DB
put data into dataAdapter
fill dataset from dataAdapter (sql statement)
Fill combobox from dataset
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