Drag And Drop - Row Provided Already Belongs To DataGridView Control
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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Feb 14, 2012
I am getting following exception while coping the row in same datagrid view control System.InvalidOperationException was unhandled
[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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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 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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Jul 6, 2011
I have a form set up with a few text boxes for first name last name and job title and i got the class for EditDialog. vb. The question is I have to drop some controls onto the form to make a generic add and edit employee dialog. Now would I use the listbox or drag and drop control?
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Feb 28, 2010
How can drag and drop control in RunTime ?
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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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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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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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Feb 3, 2010
Using a module in my project, I added Drag & Drop functionality to the picture boxes on my form.
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Oct 23, 2009
I want to have a control listing all subcategories from a database table. What control should I use. then I want to have a treeview with Categories, and be able to drag and drop sub categories onto the Categories. VS 2008
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Jul 6, 2009
I am working on visual studio 2008 , when i drag and drop a GridView control, I cant see any way of showing the page index by run time. How do I associate one DataSet object (which has got 10 rows) first 5 rows I need to show in first page rest i need to show in next page, basically I need to divide my dataset information in to two seperate page indexes.
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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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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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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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May 20, 2009
This is a little diffrent from your standard drag and drop, but I am trying to find out a way to support drag and drop, from a list control, which is displaying a list of files, held as "blobs" in a SQL database (compressed data in my own format). When the form is opened, I obtain a list of all the file names within that given table in the database, and display it to the user in the list view control. The user then has the option of dragging that ListItem from the ListView on to the dektop (or other directory location). Upon doing so, I need to be able to read the data from SQL, decompress the data (in my own format) and then save it as a file at the dropped location.
My main problem is detecting when the ListItem is dropped outside of my application, as I want to use this dropping event to trigger the code in to obtaining a copy of that file from the database, and save it in to the "dropped" directory, where ever that may be.
So Im mainly looking in to how I can "see" the final location where the item is dropped, and how I can start off the drag and drop operation in the first place with no initial data (since I have not obtained the file at the start of the operation). Getting the file at the start of the drag and drop operation intoduces "lag" while the application makes the trip to the SQL database (via web service) and obtains the data, so I need to carry out that trip to the database, at the end, while still allowing "Windows" to act as if I am dragging and dropping a file...
I did consider multi-theading, and downloaind the file from the database while the drag and drop operation is in progress, but then it becomes a race between the data being obtained from the database, and the user dropping the file.
Im using VS2005, SQL 2005 where the file is stored as a blog. SQL is on another PC running a web service which I interact with, to allow my application to talk to the database over both a LAN and WiFi via the internet. Compression and de-compression is handed at the client side application (for the file itself, in order to reduce the footprint created by the internet traffic) , where the user interface is displayed.
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Aug 24, 2009
How to apply drag and drop control like visual studio...after start dragging, the control still there, and make a rectangular image and drop to local form or other form...
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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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Jun 10, 2011
I want to drag-and-drop a Word Document 2003/2007 control in my form by .NET Framework. Like we do for PDF in the following screenshot. If you see the highlighted text, it is Adobe PDF Reader. I can show the PDF documents in this control in my form.
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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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Feb 4, 2007
I have been using vb6 for a while, I am following a tutorial by MS to develop a basic application and a simple task cannot be completed for whatever reasons! The tutorial asks to drag the label object from the toolbox and drop in the tab control container. Then, go to the label size property and adjust the size to some different dimansion. Basic stuff, right? It won't let me do it! After I enter the new dimensions (which by the way are not large or very small), the label size (both width and height) resets back to its original dimensions! I have the vb.net sp1 installed.
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