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Questions tagged [datagridview]

DataGridView is a Windows Forms control used to display and edit tabular data.

DataGridView is a Windows Forms control found in the .NET Framework starting at version 2.0. It is used to display and edit tabular data from many different kinds of data sources. It provides a rich set of features such as sorting, filtering, grouping, and editing data.

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20349 questions
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DataGridView ComboBox column that will accept any text

I want a column of a DataGridView to use a ComboBoxStyle.DropDown style ComboBox, where the user can either select one of the entries in the drop-down, or type arbitrary text. At the moment, I'm using the code from this answer and I can type freely…
Ian Goldby
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How to select multiple rows OR columns keeping "Ctrl" pressed in DataGridView object

I adapted code from this question how to select rows on cellclick, and also columns on column header click? into a single DataGridView1_MouseDown event, because it wasn't allowing me to select multiple rows/columns using the "Ctrl" key. What I'd…
Zingapuro
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How to Fill Data Grid View without being my form stop responding?

I'm currently filling my DataGridView using Tasks. At first, when I fill in dataTable, everything is fine, but when I continue to the UI thread, my form is unresponsive for a short time. How can I avoid this unresponsive period? if (bar == null) { …
mostafa heidary
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How to get a specific cell in a DataGridView on selection changed

With a listbox, I have the following code to extract the item selected: private void inventoryList_SelectedIndexChanged(object sender, EventArgs e) { String s = inventoryList.SelectedItem.ToString(); s = s.Substring(0,…
Elie
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Add rows programmatically to a DataGridTable

How do I add rows programmatically to a DataGridTable in C#? When the user selects an option, I want to repopulate a DataGridTable with fresh data, which I am acquiring as shown below: connect.Open(); MySqlCommand comm =…
Elie
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Apply and validate a bound DataGridViewComboBoxCell directly upon selection change

I have a windows forms DataGridView that contains some DataGridViewComboBoxCells that are bound to a source collection using DataSource, DisplayMember and ValueMember properties. Currently the the combobox cell commits the changes (i.e.…
bitbonk
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WinForms. How to make DataGridView to write cell value when use BindingNavigator

I have WinForms DataGridView and BindingNavigator on the From bind to the same BindingSource. When user enter text into a cell of DataGridView (cell text editor is visible) and press "Move next" in BindingNavigator, it is assumed that the grid…
DmitryB
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DataGridView check if any row selected and it's not NewRow

How to check whether user selected row in datagrid view and this row is not newrow? I tried so far this but not working as should: If Not IsNothing(Grid.CurrentRow) And Not Grid.CurrentRow.IsNewRow Then End If First statement seems to works ok but…
user6156963
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Blocked from editing DataGridView record

Is it possible to block duplicate records, but also edit a selected record? I am working on something similar to this. Example When I have numerous records and I update the 2nd or 3rd one, I expect a warning whenever I try to use the first record's…
Rusty Shackleford
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Wrap a row in DataGridView

I am trying to create a chatbot. I will be very honest, UI is not my forte. I am working on the backend of the chatbot as in the logic part, but for testing I need a proper working UI. So, I opted for easier to use winforms. I created a single…
KChow
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Update textbox by navigating DataGridView with arrow keys

public delegate void MyEventHandler(object sender, DataGridViewCellEventArgs e); public event MyEventHandler SomethingHappened; private void dataGridViewCargo_CellContentClick_1(object sender, DataGridViewCellEventArgs e) { if (e.RowIndex…
Connor
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Update datagridview and database vb.net

i want to update my datagridview and also my database im new to vb and i dont know what im doing wrong can sombody help me? Private Sub DataGridView_Booking_Update(sender As Object, e As DataGridViewCellEventArgs) Handles…
Kevin
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Square Filled CheckBox in Datagridview

I have a Database that looks like this Table Name : ri_closure as what you see on the image above all of the columns except Month are TinyInt(1) and Month is Varchar now I have a code here Dim con1 As MySqlConnection = New…
user6825121
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Using SortableBindingList - DataGridView doesn't automatically sort on changes

I'm building a Windows Forms Application that displays a custom class Record objects and sorts them by how long they've been in my SortableBindingList record_list. When I start my program, I have some "dummy" records loaded into this list…
MrDysprosium
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DataGridView Row Color Doesn't Change

Hello im working on Windows Form Applications but i have a problem. We are using data grid view and if row's if one column or more is empty, i want to highlight it. I dont know why but my code doesn't work. Here its my code; public Form1() { …
Berkin
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