DataGridView Drag To Reorder Rows?
Oct 9, 2008
I have looked this up and haven't found a satisfactory answer yet. I want to be able to drag my rows to reorder them, so the user holds down mouse on row header, moves mouse and releases and if released on DataGridView then the row is moved to its new position. I know this is not a simple option to turn on and it might involve a fair bit of coding but I am fairly desperate for it, so I would love to know the simplest way you know of doing this.
P.S.I would try coding my dgv to do this myself but I don't know how to make it that when I hold my mouse down on the rowheader and move it the row gets dragged. (would be nice to have a line that indicates where the row will go if released like on column dragging but certainly not a necessity).
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Jun 23, 2010
My users need to be able to drag and drop a DataGridView row upward or downward to a new position. Can anyone save me the trouble of re-inventing the wheel.I am using VB.NET 2008
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Dec 18, 2007
I want to make a drag and drop into two datadrigview but i don't know how to move the row that i select in the first datagridview into the second !
I have 2 Datagridview with 4 columns and 32 rows each other. And I want to move a row of DGV1 (source) into the DVG2 (destination) and i want that the selected row of DVG1 replace the row selected in DVG2.
Here my first little code :
Code:
Private clickedRow As DataGridViewRow
Private Sub DataGridView1_MouseDown(ByVal Sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles DataGridView1.MouseDown
[Code]....
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Dec 29, 2010
I am trying to develop a scheduler for my workplace for which I am using a datagridview. The data displayed in the datagridview is bound to a SQL server database.
I need to be able to drag and drop rows so that the any job with a high priority and a nearer deadline can just be dragged from anywhere in the grid and dropped to the topmost point in the grid. I don't mind using two buttons (up and down) to do it either. But I am not able to figure out a way to do it.
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Apr 23, 2009
I have a question. How can I perform a drag drop(without reordering) in a datagridview? I mean just moving two rows to each others places. Like this:
AAA
BBB
CCC
DDD
EEE
after:AAA
[Code]...
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Jan 7, 2010
Is there a simple way to re-ordering the columns of a DataGridView that are bound to a DataSet at runtime?
I can do it simply via the DataGridView "Edit Columns" dialog at design time but have to remember to do this every time make changes to the form (remove or add the DataGridView to the form).
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Sep 13, 2011
I have two datagridview's both are databound. First one shows items for sale and the second stores all the items that were sold. I am trying too transfer selected rows from one to the other but no matter what I keep getting told "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound."
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Jul 30, 2010
How would i delete only the successful inserted rows for insert and then move the non successful rows up and allow the user to correct the data and get it ready for an insert. If i dont delete the successful rows then i will have multiple inserts of the same dataRow and we dont want that! AND if i dont move the data up then it will have blank rows uptop and will end the try and not insert the corrected data. You can better see what logic i am trying to perform at the bottom of my code, right after I insert into the database. Here is my code.
Private Sub btnLaserGenerateTicket_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnLaserGenerateTicket.Click
'Function declarations
[code]....
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Jul 30, 2010
How would i delete only the successful inserted rows for insert and then move the non successful rows up and allow the user to correct the data and get it ready for an insert. If i dont delete the successful rows then i will have multiple inserts of the same dataRow and we dont want that! :) AND if i dont move the data up then it will have blank rows uptop and will end the try and not insert the corrected data. Here is my code.
[Code]...
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Apr 23, 2012
In WinXP with LV FullRowSelect enabled I can press and hold down the left mouse button and drag it down the right side of the left-most LV column and the rows are selected, but under Win7 I can only multiselect items with the mouse if FullRowSelect is set to false.
So I guess I need to write code to support this sort of feature for Win7 ? , and if true are there any code examples (I can't find anything) to save me some time?
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Feb 7, 2012
'Invoice Form
Dim daInvoice As New OleDbDataAdapter()
Dim dsInvoice As New DataSet()
Dim MyDataTable As DataTable
[code]...
Error...
Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound.
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Sep 2, 2010
how to add Rows programmatically to the DataGridView's rows collection when the control is data-bound? here is my code but i got error as "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound? "
[Code]...
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Sep 1, 2011
Can anyone tell me why "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound." I keep getting an error "Invalid Operation Exception was Unhandled" error. All I am attempting to do is allow the user to select products from a list(or a second datagridview) and have it added to the datagridview so they do not have to type in every cell since the other cells are not visible because they do not purtain to their needs. Plus they will be able to save all items at the same time.
[Code]...
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Apr 26, 2012
It was even difficult coming up with a Question title for this.
Am not sure whether am using the right approach to my problem. See i have this datagridview that contains rows that i would like have saved back into the Database as new rows but with a column altered to a new value.
Eg
PKColumn1 FKColumn2
Column3 Column4
1 1
[Code].....
What am looking at is Change FKColumn2 (some foreign key, maybe i can also have a combo box somewhere on the form and an "import to") values to something like 2 and save the rows back to the database without loosing the original rows.
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Apr 21, 2011
I have an Entity (Extensions) with a number of properties (e.g. id, extension, prefix) and a few navigation properties (phones_departments, phones_buildings) - they show up in the order they display in the EDMX...but what if I want them to display in a different order
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Dec 17, 2010
There are multiple examples of modified TabControls on the Internet which allow the user to reorder the tabs using drag and drop. However, all seem to use the following technique:
Determine which tab is being dragged
Determine the index to which the tab is being dragged
Empty the tab page collection and add in the new order
The last step, hoewever, causes the control to flicker alot. Besides this, when there are a lot of tab pages on the tab control, it is rather slow.
Is it possible to swap items (i.e. swap indexes) in a TabPageCollection, without the TabControl flickering?
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Sep 12, 2011
I'm trying to subscribe to a price stream, using the following code:
Using l_msg As New QuickFix42.MarketDataRequest(New MDReqID(Date.Now.Ticks.ToString), New SubscriptionRequestType(SubscriptionRequestType.SNAPSHOT_PLUS_UPDATES), New MarketDepth(1))
l_msg.setField(New MDUpdateType(1))
[code]......
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Jul 30, 2009
I have several problems with rows in a DataGridView. Background information: The DataGridView (DataGridViewCalib) is in one TabPage of a TabControl, some columns of the DataGridView are automatically DataGridViewCheckBoxColumn as the DataSource have some colums which are Boolean. This is a Windows Form written in VB.Net with Visual Studio 2008. The user loads an input data file.
The problems:
1) At first arrival in the TabPage, ShowDataGridViewCalib (code below) is called. All rows are then shown in the DataGridView, despite the code saying that some rows should not be visible. Breakpoints in the code show that the code do arrive at the Rows.Visible = False events. Despite all rows beeing shown a Watch in the debugger shows that:
[code]...
There are two alternative ways of handling the rows in the code. The first attempt (commented away here) is probably the "nicest".
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Mar 19, 2011
I've got a ToolStrip control which I allow the user to re-order the items(alt-dragging items). Is there a way to get the event notification for this action?
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Jul 10, 2010
In VB.NET 2008 I've two forms 1 & 2 containing two datagridviews connected to two data source 'ACCESS 2007 tables' Now I want to select multiple rows from one datagridview (form1) & transferring these to another empty datagridview (form2) with a button_click.
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Mar 13, 2011
I have 2 forms, each one with a datagridview.I want to transfer all the DataGridView Rows from From2 to another DataGridView of Form1. but it's not possible.
[Code]...
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Jun 21, 2010
I'm creating an application in which the form contains one datagridview and 20 pictureboxes.When the DGV is populated, the user will drag a row from DGV and drop in any one of the pictureboxes.The picturebox should able evaluate a column value(say column 1) from the dropping row and according to that it should change its picture.
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Sep 10, 2010
Actually, Drag Drop is working as it is required but the problem i m suffering now is when i add the following code:
DataGridView1.DoDragDrop(datarow, DragDropEffects.Copy Or DragDropEffects.Move)
in the mousedown event of datagridview. In datagridview, i m not able to sort the column of datagridview.
[code].....
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Dec 15, 2009
I use this code :
Private Sub TextBox1_DragDrop(ByVal sender As Object, _
ByVal e As System.Windows.Forms.DragEventArgs) Handles DataGridView1.DragDrop
If e.Data.GetDataPresent(DataFormats.Text) Then
[code].....
But when mouse hover to datagridview, the mouse symbol did not change. It should have to be Copy symbol but It did not. Please tell me why and how can i resolved it.
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Mar 5, 2009
I'm implementing drag and drop functionality between two datagridviews. This works as intended with one exception: it is possible to drag and drop within the same datagridview. This results in duplicated rows. I want to limit the functionality so that I can only drag from one datagridview to another.[code]
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Apr 2, 2009
I am trying to implement a DnD interface where the user drags a button onto a DGV & a new row would be inserted at the drop point. My first problem is how can I have the DGV rows highlight as the cursor is dragged over them? And then I need to get the row index when the mouse button is released so that I can insert a row at that point?
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Mar 22, 2011
I have implemented couple of websites) drag and drop functionality between two Datagridviews (i.e to be able to add/remove columns on the fly). After much playing, I have managed to make this work, however it now presents a new issue - I cannot resize the columns.Below is the code for this, but I can't see how I would need to change to accomodate the resize (the drag and drop effects dont have it as an option, so I assume I need to stop the dodragdrop when the resize is taking place, but I'm not sure how to do this.
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Jan 8, 2011
1. I wonder if you would tell me how to use mousedrag a row in Datagridview drop to Listview with Visual Studio VB.NET 2008?2. How to put Datagridview or Listviewows backgroundin difference color? e.g first row is red color, secord row is whitthrid row is red and so on...
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Mar 11, 2010
is there anyway to implement the drag and drop function for users to reorder the column sequence? i have tried several ways but it still not working, any hints can enlighten me? bottom is part of my code.
DataGridView1.AllowUserToOrderColumns = True
DataGridView1.SelectionMode = DataGridViewSelectionMode.FullColumnSelect
Private Sub DataGridView2_DragOver(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles
[code]....
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Jan 18, 2009
I am trying to drag & drop rows from datagridview1 to datagridview2 using the code below.My question is : how do I check for duplicates in the target datagridview before completing the drop.ie: If Jerry has already been drag dropped to datagridview2 then say, "Jerry is already in the list. Are you sure you want to add a duplicate ?"
Public Class frmDataGrid
' Some Properties that I have set for the Grid
' SelectionMode = FullRowSelect [For both the Grids]
' AllowDrop = True [For Grid DataGridView2]
[code]....
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