DataGridView Cell Click Event In VS 2010?

Jul 28, 2011

I am a tad new to the DataGrid controls, but I am just curious as to why the first code block below works, but the second code block does not? (Only thing I can see is the
Handles DataGridClaims syntax

Block 1
Private Sub DataGridClaims_CellContentClick_1(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridClaims.CellContentClick

[code].....

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.net - DataGridView Cell Click Event In VS 2010?

Jan 7, 2011

why the first code block below works, but the second code block does not? (Only thing I can see is the

Handles DataGridClaims
syntax
Block 1
Private Sub DataGridClaims_CellContentClick_1(ByVal sender As System.Object, ByVal e As

[code]....

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Populate A Single DataGridView Cell with Input Of A Textbox After Click Event Of A Button?

Jan 10, 2011

How can I populate a single DataGridView cell with input of a textbox after click event of a button?

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VS 2010 Data Grid Cell Click Event?

Jan 3, 2012

I want the code to process for the cell Click Event ONLY if the first column (column 0) is clicked. If the 2nd column (column 1) is clicked, I do not want anything to happen

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VS 2010 Click DataGridView Cell - Change Its Background Image

Mar 9, 2012

I'm trying to make a visual map editor, and figured that a DataGridView would be the best way to go. I would like to make it so that you can click one of many buttons to set which new image the grid cell will be set to when you click it. I've set up pretty much everything except that I can't figure out how to set the background image of the cell that I clicked.

[Code]...

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VS 2010 DataGridView - Event When User Edits Checkbox Cell?

Jun 6, 2010

I'm afraid this is a very simple question, but I can't figure it out... I hardly ever use the DataGridView (usually use a third party grid) so I never needed to do this before.Anyway, I have a DataGridView that is data-bound to a List(Of SomeClass). The grid is not ReadOnly, but I made every column ReadOnly except the very first, which is a boolean column so it displays a checkbox. This way, the user cannot edit any cell value, but he can check/uncheck the checkbox in the first column.

What I need now basically is an event that is raised when the user (not programmatically) changes the value of this checkbox. I also need to be able to retrieve the bound item from that event (from the row number I think?) but that should be no problem, I hope.Anyway, there's a bunch of events that looked promising but all have something I don't want:

1. CellBeginEdit - Fires before the checkbox value has changed, so can't use this.

2. CellEndEdit - Only fires after the edited row loses focus. I want to save it back to the database as soon as the user changes the checkbox value!

3. CellValueChanged - Same problem as nr 2.

I'm sure it must be possible for me to react as soon as the user changes the value of the checkbox? How can I do this?

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Datagridview Cell Value - Get The Old Value Of The Cell In Event

Jan 28, 2011

In cellEndEdit event I need current cell editedFormatedvalue ( well it is done) now my question is can we get the old value of the cell in this event or have to handle some other event for this means let I have a cell in which current value is abc and when I edit it it become def now I want to get both the values in cell end edit event ( or any else ) but finally I have to perform task on cellendedit

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Perform Click On Cell In DataGridView

Nov 5, 2010

I have a button on a datagridview (dgproducts)that when clicked, sends the data from that row to another datagridview called (DgSelectedProducts) in a Keypress. The button on dgproducts is unbound and is (0) and is named AddProductsButton in the collection. I am using a barcode scanner into txtboxsearchbarcodeID so that when the user enters the barcode to the textbox it finds the barcode in the dgproducts it filters down to that item.

When I say filter I mean all the items that do not match are not shown on the dgproducts datagridview. Only a single item can match. That part works ok. The problem that I am having is that I do not know how to perform a click on the cell(0) ie addproductsbutton so that the item is passed from the dgproducts to the dgselectedproducts when the item is scanned. This is for a POS form so it needs to do this.

Private Sub txtBarcodeSearch_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles txtBarcodeSearch.KeyPress
' If e.Handled = Keys.Enter Then
txtSearchTerm.Text = txtBarcodeSearch.Text
Me.CBOProducts.DisplayMember = "ProductIDBarcode"
cmbSearchField.Text = "ProductIDBarcode"
[Code] .....

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Datagridview Cell Textchanged Event?

Apr 25, 2011

I was wondering if there's an easy way to make a cell textchanged event for a datagridview, like you have the textchanged event for textboxes, an event that gets triggered everytime the user press a letter/number/symbol/backspace/space, so i can check in that event if the datagridview has changes and whether i should enabled my save button to save the changes made.

Or is there a better way to check whether i need to enable my save button?

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Cell Click - Work With A Datagridview And Checkboxes

Jul 12, 2010

I am working with a datagridview and checkboxes. Ok, I have the following code which runs without any errors but doesnt give the required results.

1) My problem is that, when I uncheck the checkbox in Cell 2, I want Cell 9 and Cell 6 to be empty.

2) When I uncheck the checkbox in Cell 2 and click any other Cell in the datagridview and check again checkbox in Cell 2 - it DELETES the data in Cell 9 & 6.

Now, when I check again the checkbox in Cell 2, Data is not populated in Cell 9 & 6 regardless how many times I try....

[Code]...

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DataGridView Cell Content Click Not Working?

Apr 6, 2012

Private Sub dgvTransactions_CellContentClick(sender As Object, e As System.Windows.Forms.DataGridViewCellEventArgs) Handles dgvTransactions.CellContentClick
If e.ColumnIndex = 0 Then

[code]....

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Add New Rows In Datagridview When Cell Leave Event?

Jun 2, 2011

I want to add a new rows when cell leave event occurs.It shows error like Operation can not be performed in this event handler...

here is my code,

If PatientDataGridView.CurrentCell.ColumnIndex = 2 Then
PatientDataGridView.Rows.Add()
End If

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Change The Value Of A Cell In DataGridView.CellValidating Event?

Sep 8, 2011

I handle the validation in the CellValidating event, and if the cell is invalid display an error message, then cancel the exit of edit mode. However I would also like to erase the content of the cell currently in edit mode.

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Create An On-KeyDown Event For A Datagridview Cell?

May 24, 2010

I'm using an on key down event for my datagridviewer that fires every time a key is pressed while the datagridviewer is selected(Focused).I want the same thing to happen while in a cell, but there is no event for key down in a cell.

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DataGridView - ReadOnly Cell KeyDown Event?

Nov 25, 2011

i have a datagridview with a readonly cell, i would like to show a formdialog window when the user press the space key. but is not possible since the cell is readonly=true.

i'v been using the following code with the EditingControlShowing event. and when the cell is readonly=false it works sometimes.

Private Sub sub_fecha_keydown(ByVal sender As Object, ByVal e As KeyEventArgs)
If e.KeyCode = Keys.Space Then
Dim frm As New frmFecha

[Code].....

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Datagridview And The Cell Gets Validated In The Validating Event

Aug 8, 2010

I have a datagridview and the cell gets validated in the validating event;

[Code]...

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VS 2008 Datagridview Cell Value Changed Event?

Aug 2, 2011

vb.net
Private Sub DataGridView1_CellValueChanged _
(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) _
Handles DataGridView1.CellValueChanged

[code]....

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VS 2008 Delete And Add New Items When Click On The Combobox Cell In The DataGridView?

Jul 1, 2011

am Working on VB.NET 08 Windows Appl. Present i am Working on the DataGridViewCombobox Column. When i click the Combobox ,Clear the Items Which are having the Combobox and add New Items Manually.

For Example: In the Load Event For each Combobox cells Having a,b,c Items. But When i Click the Combobox cell in the DataGridView the Items (a,b,c) delete and Add new Items X,Y,Z .

How can i delete and add new items when click on the Combobox cell in the DataGridView??

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C# - After Which Event Should Perform An Action After Editing A Cell In A DataGridView

Mar 24, 2010

I have a WinForms DataGridView control on a form. There are two fields in this DataGridControl:

Email Address
Resolved Email Address (calculated based on the input in Email Address)

After the user inputs or changes a value in Email Address, I want the value in Resolved Email Address to update based on a separate method. What event should I tie in to so that that the Resolved Email Address cell is updated after the Email Address cell is updated?I'm not sure where to put the event because the user could do a number of things after adding/changing a value: tab to the next cell, click cancel on the form, click ok on the form, etc.

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Comboboxcolumn In DataGridView With An Event That Autosizes Cell Width

Nov 25, 2009

I have a comboboxcolumn in a DataGridView. I have loaded int with string data that appears in the dropdown box. I have added an event to it for an SelectedIndexChanged. What I am trying to do is autosize the width of the cell in the column based on the string chosen in the drop-down box within this SelectedIndexChanged event. This seems to work but it does not work off the initial selection change. When I select the desired string in the dropdown box the width of the cell does not autosize. I am not sure why.

I was trying to get around this by wrapping an IF stmt around the autosize logic by saying if cell value = "" then cell.width = Max Width of all loaded strings/ However, I can't figure out how to access the string array loaded into the dropdown list

[Code]....

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DataGridView - Trigger Event When Type Something Wrong In Cell

Jun 1, 2011

I want to have one event triggered when I type something wrong in the cell in the specific column in the datagridview. What event should be? Or cell leave?

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Change Cell Color Of A Datagridview On The Form Load Event?

Nov 10, 2010

I would like to be able to show the defaultstyle of the cell in the form load

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Pass Cell Location Of DataGridView To An Event Handler Via A ContextMenu?

Nov 20, 2009

I have a context menu which is shown over a DataGridView as follows below. The Context menu is shown if the mouse up occurs over the second column of the DataGridView. I also have a bunch of event handlers set up for each item in the context menu. I now want to pass the location of the cell in the datagridview to the event handlers.Do I have to pass the NewPoint() to a public variable and then translate that into a cell location within the event handler?

Private Sub DataGridView14_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs) Handles DataGridView14.MouseUp
Dim hitTestInfo As DataGridView.HitTestInfo

[code].....

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Raise EditingcontrolShowing Event When We Try To Change The Value Of A Combobox Cell In Datagridview

Jul 21, 2011

is it possible to raise EditingcontrolShowing event when we try to change the value of a combobox cell in datagridview

[Code]...

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VS 2010 : Color Cell TableLayoutPanel After Click?

Jun 8, 2012

I want when I click on a single cell of a TableLayoutPanel (containing a control), that cell need to have a color and when I click on another cell, the previous cell color removed and add to the cell clicked.I know it has something to do with the position of the mousepointer, but the only thing I found on google, was pre-defined cells and the than the color.

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Datagridview Checkbox Click Event?

Mar 9, 2011

my Question is that if i ./ tick the Checkbox in datagridview the datagridview Column (4) value show in textbox if user click multiple tick in datagridview , the datagridview column(4) value add in textbox

For a = 0 To DataGridView1.Rows.Count - 1
If DataGridView1.Rows(a).Cells("checkbox").Value = True Then
TextBox8.Text += DataGridView1.Rows(a).Cells(4).Value
End If
Next

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New Table In Datagridview On Click Event?

Oct 11, 2010

how to load a new table into a datagridview on a click event. What I have is one datagridview and three buttons. I have a sales button, an inventory button, and an add inventory button. What I want to do is be able to click a button and have it load the corresponding table into the datagridview.

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Add And Remove Datagridview With Button Click Event

Feb 27, 2012

I want to add and remove Datagridview in VB.NET with button click event. Can it be possible.

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CheckBox Event Of DataGridView - Transaction On Click?

Mar 3, 2011

I have field NAME nvarchar(5),Checkval bit in sqlsever. I want to bind already to Datagriview in vb2005. When I check filed checkval. It will to do something that I need. I don't want to use event cellmouseclick or cellvaluechanged because it didn't react when we click. Which event that do transaction when we click check.

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DataGridView - How To Intercept Button Click Event

Nov 19, 2010

I am learning Visual Basic 2008. I have created a form with a datagridview bound to a dataset. I also added a button to the datagridview. When the button is clicked I want to be able to update a couple fields in the grid with new values. How do I intercept the click of that button?

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