Cells in DataGridViewComboBoxColumn have ComboBoxStyle DropDownList. It means the user can only select values from the dropdown. The underlying control is ComboBox, so it can have style DropDown. How do I change the style of the underlying combo box in DataGridViewComboBoxColumn. Or, more general, can I have a column in DataGridView with...
I've got a DataGridViewCobmoboxColumn that has to be on the far right side of the screen. The items in the cell are wider that the cell width, so the dropdown list is also wider than the cell, so the user can see what top select. When the list drops down, the right side of the dropdown is not visible, and thus the scroll bar is also not ...
The data sources have the same structure, but different data. One would be used for rows that are saved (view mode), and the other one would be for rows that are being added or edited (edit/new rows). How can that be acomplished? I have a standard foreign key column that references a standard lookup table which has an ID, Name and Activ...
I have a DataGridView with one DataGridViewComboBoxColumn in my WinForms application. I need to drop down (open) this DataGridViewComboBoxColumn manually, let's say after a button is clicked. The reason I need this is I have set SelectionMode to FullRowSelect and I need to click 2-3 times to open the combo box. I want to click on the co...
Hi, Any suggestions on how to improve DataGridViewComboBoxColumn performace with large item sets? I've got a DataGridView with several columns of type DataGridViewComboBoxColumn. I'm databinding those combobox columns to a rather large collection (10k+ items). As a result it's very slow to display the items (when i click on the down-ar...
I have a ComboBox inside of a cell of a DataGridView Row on a Windows form. I need the following to happen: click on the ComboBox pick a value recalculate a total & display inside of a lable that is sitting outside of the DataGridView. Currently, the following is happening: Click on the ComboBox Click it again to open the ...
My Application creates a DataGrid based on XML. The XML is not optimized, but I have no control over that, so I have to "convert" it, and then add it, row by row, to the DataGrid. I have an event handler that must be fired when any of the DataGrid's ComboBoxes (all in one column) are changed. Problems: The event handling I have (in ...
i have two DataGridViewComboBoxColumn that i add at run time i need the items of the first DataGridViewComboBoxColumn to stay the same in all the rows of the gridview but i want the items of the second DataGridViewComboBoxColumn to be different from row to the other depending on the selected item of the first DataGridViewComboBoxColumn ...
Like the title says, I'm trying to populate a combo box column in a datagridview. Here's what i have so far: Dim lc As System.Web.UI.WebControls.ListItemCollection = _ DataAccess.Part.GetListItems() dgvcboPart.DataSource = lc ' This is a standalone combo box and it works ok cboTest.DataSource = lc Any suggestions as to what I'm...
Hi, I have a DataGridViewComboBoxCell, whose DataSource is a List. When an item is selected from the list, I wish to store the index of the item, not the item itself, in order that I can switch DataSources and still display a relating list entry. e.g. I have a list of months (January-December). I want to select "April" and store "3" in ...
I'm bringing down a strongly typed dataset table into a datagridview. then adding a column of combo boxes to let the foreign keys be selected by name instead of ID. Perhaps there's an easier way to do this. can I transform the typeID column into a comboboxcolumn while still being able to cast the datasource back to my strongly typed da...
I am setting up a DataGridViewComboBoxColumn like this: var newColumn = new DataGridViewComboBoxColumn() { Name = "abc" }; newColumn.DataSource = new string[] { "a", "b", "c" }; dgv.Columns.Add(newColumn); This works: each row has a dropdown box in that column, populated with a, b, c. However, now I would like to trim the list f...
I have a DataGridView where one of the columns is a DataGridViewComboBoxColumn. When the grid is populated, that column looks different because of the drop-down arrow appearing on each cell in the column. I'd like to change this so that the drop-down arrow is hidden and only shows up when the row is actually highlighted or when the combo...
Hello! I have a windows forms application containing a datagridview control. The datagridview is populated by the contents of an xml file. At the moment, all of the columns are displayed as datagridviewtextboxcolumns. I want to select one that is populated by a particular xml tag and display it's content in a datagridviewcomboboxcolumn a...
So I have something like the following data structure (constructors omitted) class Child { public string Name { get; set; } public int Age { get; set; } } class Parent { public string Name { get; set; } public List <Child> Children { get; private set; } // never null; list never empty public Child FavoriteChild {...
How can I select a specific value in the combobox column in the datagridView using its index? I.e. the comboboxColumn is already populated. I just need to set its selectedIndex to my choice (if it is possible). ...
Right now I have a DataGridView that's bound to a DataTable that works all well and good. What I need to do on the DataGridView is include a new column at the very end that is a ComboBox that will dynamically filly based on the key value of the row. My columns are ID, Name and Count. The 4th column will be a ComboBox that takes an ID a...
I have a typical requirement. I have a datagridview with a combobox column(items loaded at design time). When a user selects an item from combobox, remaining rows gets updated in database based on the selectedItem and dgv gets refreshed. Problem is the combo box will lose its current selection and goes to unselected state. I want to re...
dim dt as new datatable dt.columns.Add("Check", Type.GetType("System.Boolean")) datagridview1.datasource = dt A boolean type datacolumn a datatable, when bound to a datagridview automatically shows as DataGridViewCheckBoxColumn. With no code hassles Inclusion of what type of datacolumn in the datatable will populate a DataGridViewCo...
Hi, I would like to change the color of the popup background when using a DatagridComboboxColumn in the WPF Toolkit datagrid. I've edited the Template for a normal Combobox and it works great for selected item and other properties but the background stays white. I've used Snoop to do some research into the template and it claims that the...