Used A Combobox Along With Datagridview And Textbox
Oct 1, 2011
I have a form and i have used a combobox along with datagridview and textbox.I have various values in combobox namely Mechanical, Electrical, Etectronics etc.When I select the option Mechanics, I wish only few fields of the table be updated in the gridview, with the type mechanics. The I am getting all the fields, instead of the specified ones in the query, in the grid view.Also, the where clause, is not being executed ie. It gives the entire database as it is.The database in the gridview does not get updated. It keeps giving me the old databse, even after updation, unless I Bind it again, with the data source.I am completely new to the concept of Datagridview and combobox as making the project for first time in vb.net.
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May 22, 2010
I have a form with a DGV bound to a SQL database. the DB has three colums: ItemCode, ItemName, Status. The Itemcode field is a combobox complex binded (if this matters), the ItemName colum is a textbox. How can I have the ItemName colum auto insert the text for the ItemName colum when I select the associated ItemCode with the combo box. I'm pretty sure I need to use the "CellValueChanged" event. I'm thinking an IF Then statement with 'e' parameter and colum and row indexes just not sure how to address it.
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Jul 6, 2010
I have a datagridview called DgvReturns, in this datagridview I have 2 columns - one is a textbox and the other is a combobox. The textbox is populated from a dataset while the combobox is built with 3 items Full Pay, Part Pay, No Pay.Now, what I want to do is for e.g., Full Pay to be displayed on the combobox column simultaneously.Therefore, for example record A has Full Pay the combo box should show show Full Pay, and if Part Pay it should show Part Pay from the drop down list.
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Jul 6, 2010
Sorry, I though the problem was resolved but unfortunately is not..I added this code to my form; Me.DgvReturns.Item(6, 0).Value = Me.DgvReturns.Item(5, 0).ValueThis Only affects the first line of the datagridview.. The second, third, fourth etc etc records are not reflected. Therefore, the vale of the textbox is not shown on the combobox.
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Aug 3, 2009
how to add textbox, combobox, label in the datagridview..
because i have datagridview which has databound field
ID Activity ActivityDetails
1 Design Web / Form Designing.......
2 Code Debugging / Trobleshoting.......
3 Install Testing
4 Other (Here is the textbox or combobox where user can type data of select data)
if user select other activity, it will create a textbox where user can write data or a combobox that they can select into it...
how to add textbox, combobox into the datagridview as what i explain above..
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May 22, 2010
I have a form with a DGV bound to a SQL database. the DB has three colums: ItemCode, ItemName, Status. The Itemcode field is a combobox complex binded (if this matters). How can I have the ItemName colum auto insert the text for the ItemName colum when I select the associated ItemCode with the combo box.
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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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Dec 23, 2011
I have a DataGridView with several columns. One column is a TextBox column named "Status". This column can only show one of three values: 'Final', 'Ready', or 'No Reportable'. I want to have some code that would turn the TextBox cell into a ComboBox cell when the user left-clicks on the cell to allow the user to choose one of these three options. When the user clicks elsewhere or the cell loses focus I want the cell to change back to a TextBox cell.
Here is what I have so far, but the code throws an exception indicated below Plus, I don't think the code would remove the combobox when the cell loses focus.
Exception: "Provided cell does not belong to this DataGridView control."
Private Sub dgvCalculatedResults_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles dgvCalculatedResults.MouseDown
Dim ht As DataGridView.HitTestInfo = Me.dgvCalculatedResults.HitTest(e.X, e.Y)
[Code].....
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Feb 20, 2012
I have a tab control application, each tab loads a particular user control and each of those user controls will then add other user controls that are used amongst other the user controls. For example, I have an "ucQuotes" page and an "ucInventory" page, when the specific tab is selected, the "uc****" user control is loaded on that page, and in the case of "ucQuotes" and "ucInventory" they both use a control called "ucPartNumber"; a user control consisting of a combobox, textbox, and button. I have no issues reusing the shared user controls, in this case. My problem arises with my "ucQuickPrice" control, as it is always present at the bottom of the tab control form (separate from the tabcontrol, but on the same form), and it too uses ucPartnumber.
Here's my issue, as I type into the ucPartnumber combobox, the text I type does not appear in the combobox, it appears in the textbox of the ucPartnumber control that is being used on the tabcontrol page. There are no shared instances of ucPartNumber, nor do I have this issue between typing on one tab page and the text showing on the user control of another tab page.I tried just creating the ucPartNumber controls on the ucQuickPrice control, not adding a new instance of ucPartnumber on the .Load event, and the issue persists.
The combobox(s) in question are bound programmatically with about 40,000 items, ".datasource = dataset.tablename" not to a bindingsource. Autocomplete is set to none, I added code to utilize tool tips and the basic combobox filtering functionality. Is this a bug, or is there something I'm neglecting? I'm about 95% complete with this application, and this just happened today. I made the decision, to just reuse the ucPartNumber control on the ucQuickPrice control (originallly it's size and orientation would not fit, but I added some coding to detect what parent is adding ucPartNumber and to change its appearance accordingly). Before, I made this change, I did not have this problem. And, in trying to go back to how I had things set up before the change, the problem will not go away. if the whole control within a control verbage I used is a bit confusing, let me know and I'll try to better explain what is happening. At this point, I'm going to close and reopen vbexpress, as when I started this ordeal, vb started acting weird and wanted me to save all my work, it usually does this before locking up.
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May 2, 2012
DataGridView TIPs has TextBoxes and ComboBoxes in it and the data comes from an SQL table. I see how to get or set the cell values that come from the ComboBoxes using Item, but how do I access the actual ComboBox events and properties?
[Code]...
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Dec 5, 2010
I would like to manually insert values in a combobox colum of a datagridview.I am using the DGV as an UNBOUND control.
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Feb 7, 2009
i wan to display the text from combobox into the textbox and clear the combobox text when click on the button.But when i select another text from the combobox and click the button, the textbox display and overwrite the previous text.How can i do so that when click, textbox display text from combobox and clear combobox text. Then click again, display the new text at 2nd line of the textbox without deleting the previous text?
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Jan 29, 2010
I am using VS2008 and I have a form which has a datagridview. This is for an invoice where I already have the user select the customer from a details view and want to have the items in the datagridview change based on what the customer selected. Then when the item is selected I want to have the price change accordingly.
So far I have the customer selction as well as the item combobox(not limited to cust items yet) appear, but I cannot figure out how to get the join of the 2 items (cust+item as the price varies from cust to cust) to change the price. Question is, is it possible to do this in the same datagridview, or should i try to just break this down some other way?
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Jun 29, 2009
I have combobox column in datagridview.I have loaded a particular database table column value into it from my mysql database. The combobox in all the rows is filled with my database value successfully.But i am unable to select values from it.
And my second problem is I am unable to retrieve the penultimate row values in datagridview before the new row which is automatically generated.The error for it is nullpointerexception. But i have values in that row.
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Feb 20, 2011
I have a dtagridview with textboxcell type. I want to add combobox at row9 and in coulum 1.[code]...
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Jul 6, 2010
I have a combobox on a datagridview on my form. The problem I encounter is I have to click the button twice to see the items at the dropdownlist rather than once at runtime. Is there any change I can make probably in properties of the datagridview / combobox to show the dropdown list by clicking once rather than twice..
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Jul 6, 2010
I though the problem was resolved but unfortunately is not.. I added this code to my form; Me.DgvReturns.Item(6, 0).Value = Me.DgvReturns.Item(5, 0).ValueThis Only affects the first line of the datagridview.. The second, third, fourth etc etc records are not reflected. Therefore, the vale of the textbox is not shown on the combobox.
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Jul 7, 2011
Is it possible to have a column in a Datagrid with Only one combox at the second row and rest of the column remains empty ?.. means I want to have only one combobox at the 2nd Row and nothing else in that entire column...
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Jan 20, 2010
i have seen the message describing the problem where the autosizing of the combobox column in the datagrid view will cause an error stating "datagridviewcomboxcell value is not valid"
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Nov 1, 2011
I am using visual studio 2008, vb.net Windows app and ms access 2003.I just wanted to know that there is a form in which i select an option from the list of options in combobox.. While the user selects a type, i want the data relevant to the type be displayed in the datagridview. I have bound the datagridview to datasource in design..But am blank as to which event can i use and how should i start it ?? Went through various sources, but seemingly vague.
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May 21, 2011
Im trying to make a Quoting system, you select the person you want to get a famous qoute from and then evey time you hit refresh you get a new quote from the txt file (churchill.txt) how do i get the list box to work nd the refresh button
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May 18, 2012
I have a datagridview which have a ComboBoxCell, ComboBox is bound to data,, I want to use it as Traditional ComboBox,, I mean I want to display its Item (from display members) on the base of its value.
For example:
When I do this
Datagridview1.CurrentRow.Cells(4).value = 4 'Cell 4 is the DatagridviewComboBoxCell
It gives me the error that
"DatagridviewComboBoxCell.value is not valid",
But I want that this combobox should Select And Display the item which value is 4.
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Nov 16, 2009
Using VB.Net, I have a DataGridView with a ComboBox Column. What even do I use for when the user changes a selection in the ComboBox?
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Jun 21, 2010
I am trying to add a combobox into my datagrid which connect to access database by using the code below. The result I wish to get is the combobox is locate at my datagrid column that already exist, but what I get now is it will add a new column with combobox that I want to add. Can I just update the combobox into my existing column7 but not a new column?[code]...
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Nov 17, 2009
I have datagridview connected with sql datebase and i want to add combobox to datagridvew (example:Time1 column)
Option Explicit On
Imports System.Data
Imports System.Data.SqlClient
[Code]....
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Sep 9, 2010
I bound a column ("Initials") of DataGridView (which is bound to dataset ds) to dataset ds2 ("employees"). This part works fine (comboboxes appear loaded with employees initials in combobox selection), but theere is no default value in the column. Do I have to add some event handler or binding stuff??
[Code]...
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Sep 3, 2009
Because there was no aswer in Windows Forms General general forum i decide to post the same question in here... is about cascading comboboxes in vb.net.. Could somebody give me a guideline how to stop previouses selections of dissapearing when another selection is madein a new row... [URL]
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Mar 3, 2009
I am trying to have cascading comboboxes within a datagridview.I have it partially working. dataset1 has 2 tables, with a parent-child relation built inDatagridview1 contains:column 1: combobox, bound to bindingsource 1 which is bound to dataset1column 2: combobox, bound to bindingsource 2 which is bound to bindingsource 1when column 1 is selected, column 2 choices are limited to those related to column 1however, if column 2 is chosen in a row that previously had data, and was loaded with the form, then its choices stay the same as the last row where column 1 was physically selected before column 2.I seem to need to refresh the binding source somehow to emulate how it works if I was to go into column 1 and make a selection by hand.H
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Jun 3, 2010
I add a combobox column in datagridview. When I select differnet value from the drop down list, combobox's text dose not change. What should I do for this?
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Aug 1, 2011
For example; I have a DataGridView bound to a MYSQL Database. There are two string columns "Name" and "Gender". I need to make the "Gender" column a ComboBox where they can select "Male" or "Female".
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