Drag And Drop Rows Bound Datagridview?
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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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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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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Jun 26, 2009
For some reason when I try binding the listbox to a datasource I put in (it contains a table of words to be used in the listbox), it shows me a + sign like it will allow my to drop text in but then it doesn't insert anything. Does this code not work for databound related things?
Private Sub ListBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ListBox1.MouseDown
ListBox1.DoDragDrop(ListBox1.SelectedItem, DragDropEffects.Copy)
[code].....
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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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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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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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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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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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Oct 17, 2009
I'm writing an application for seat reservations. I use a DataGridView to represent seats. Each free seat is coloured in green and occupied seats are in blue.DataGridView is populated with names from database and user could add a name to a seat choosing from a list.Moreover the user has the possibility to move a name from one seat to another - not occupied via drag and drop operation.Eveything works well, but when moving a name from one cell to another I have to position the cursor over a cell that is one row above and four columns on the left of that one I choose.Which is the reason? Here is the code
[code]...
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May 25, 2009
For Each DGR As DataGridViewRow In dgvJobs.SelectedRows
' Added to stop error occuring when destination dgv columns do not exist
If dgvProject.ColumnCount = 0 Then
For Each ColumnHeader As DataGridViewColumn In dgvJobs.Columns
Dim name As String = ColumnHeader.Name
[Code] .....
I'm making a form where I have two datagridviews. The first dgv is databound to a database. The second dgv is not databound. I want to allow users to drag rows from dgv1 and drop them on dgv2. At the moment I have managed to get it to the point where I can drag from dgv1 to dgv2 but the result is an empty row being added. When I try adding a row without using .Clone I get this error "Row provided already belongs to a DataGridView control."
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Apr 29, 2010
I am putting together two programs... basically one to enter data into a sql server 2000 database, and one to view the entered data and modify some fields. The data-entry part works well, but the second part is giving me some problems.ince the second part should really be a simple program, I created a DataGridView of my sql server table via drag&drop (just pulled the table from the data sources). Now I need to save back any changes to the DB. The part giving me problems is the OleDBCommandBuilder:
cBuilder = New OleDbCommandBuilder(FteuStoerungsmeldungAuftragTableAdapter)
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Mar 19, 2010
With a DataGridView bound to a bindingsource, which is filled by da.fill(ds) . How do I go about deleting selected rows when the UserDeletingRow event is fired? I've used the following code in the event:
Dim dsEmplTran As New DataSet
daEmplTran.Fill(dsEmplTran)
dsEmplTran.Tables(0).Rows(dgvEmplTran.SelectedRows(0).Index).Delete()
Dim cb As New SqlCommandBuilder(daEmplTran)
[Code].....
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Jan 22, 2012
Anybody have tried having fixed number (painted) of rows on a datagridview regardless of the number of rows of the datasource??? i.e. datagridview will still show 20 rows even if the the datasource have 8 rows only? like gridlines already painted as is - with/without datasource binded.
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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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Nov 18, 2009
I am currently working on a drag and drop project and I was wondering if there is a way to drag picturebox1 and drop it in picturebox2; that will snap to a specific location in the picturebox2?
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Aug 27, 2009
ListView Drag&Drop allow to Drag&Drop between form??
Public Class frmModule
Private Sub ListView1_ItemDrag(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ItemDragEventArgs) Handles ListView1.ItemDrag[code]....
Can it be drap and drop item to other form control??How to write the event when mouse up at the other form control?
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Mar 25, 2010
I have a VB .NET (VS 2008) application which allows the user to drag and drop a xls file onto the form and a DataGridView fills with the xls sheet data. The user than can apply changes to the data or add entries. Data integrity is checked during the load into the DataGridView (duplicates are removed and invalid entries are filtered out). After doing all this the user can click a button and the data is uploaded to a SQL server (2008) DB. I have a primary key set up (row number) and I have a compound key in the SQL table.
It is all working beautifully. Now here is my question:
I want to check for duplicate entries (between SQL server and DataGridView data) before the data is uploaded and commited to the table. What would be the most efficient way to that?
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Sep 1, 2010
I have DataGridView display Customers Details. The DataSource are from DataSet. After the user have created a new customer record and updated the SQL SERVER Table, Instread of refreshing the whole DataGridView I am trying to add new rows with data from the TEXTBOX into the DataGridView and it generated this error message: Rows cannot be programmatically added to DataGridView's row collection when the control is data-bound This is the coding which the error was generated from:
Private Sub FRefreshDataGridViewRow()
'use strmode to determine New or Edit existing record
Dim strCell1 As String = CType(Me.txtCustId.Text, String)
Dim strCell2 As String = CType(Me.txtCompName.Text, String)
[code].....
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Oct 31, 2010
I am using Excel 2007, VS2008 Pro.I am building a VSTO Add-in that requires "drag and drop from Excel cells to a drag-enabled task pane".So far I notice that I can only drag and drop within the cells themselves. It does not allow me to drop into the task Pane or drag past the sheet limits.(http:)[url]...
Note: The task pane has drag drop enabled, I ahve already tested I can drag/drop from task pane to excel but I need to do this the other way around?
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May 25, 2011
I am trying to figure out a way to include the listview's tag field when dragging one listview's subitems into another listview. I am hoping someone here has experience with this. My Listview drag code is below - the two listviews that I am dragging subitems into or from are LV1 and LV3. Also, this is being done in Visual Basic 2008 and the project is a windows application.
[Code]...
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Oct 20, 2010
drag and drop nodes within the same tree (not between trees) when users drag and drop nodes within the tree, give them the option to move the original node to a new location within the tree OR to just copy the original node in a new location (seems complex but I have a month to figure this out). change the system default blue highlight for selected nodes to another color change the system default cursors for invalid and valid drops (instead of the circle with slash indicating invalid target, i want a red minus) and (instead of the little plus sign with little box indicating a valid target, i want just a big green plus sign) add a red insert line to indicate where the node would be dropped within a tree also drag and drop the text of a node from the tree to a textbox add a "folder" image next to parent nodes and a "document" image next to children nodes
I have looked through the internet but I am having difficulty sorting through all the information available (I see a lot of information for Visual Basic 5 and 6, and those codes don't work for me in visual studio 2008). I can email anyone my code I have so far.
Public Class Form1
Private MouseIsDown As Boolean = False
Public Sub TreeView_ItemDrag(ByVal sender As Object, ByVal e As ItemDragEventArgs)Handles TreeView1.ItemDrag
[Code]....
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Apr 5, 2011
Is it possible to reorder the elements of a drop down list (combobox) via drag and drop?For example, when the list is dropped down, I want the user to be able to drag the items up or down to reorder them. I tried this (and some google searching) but I'm wondering if its just not possible:
Private Sub cmbClassLists_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles cmbClassLists.MouseDown
If cmbClassLists.DroppedDown And Not cmbClassLists.SelectedIndex = -1 Then
[code].....
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Jun 4, 2010
I have a DataGridView that is bound to a DataSet I created from a database table named Contacts. The Contacts table contains a field called StatusId. StatusId is a foreign key to a table called Status. The Status table contains StatusId and StatusName.
[Code]...
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