Moving Through Rows In Datagridview?
Sep 30, 2009
I have a button 'Next' which performs navigation, but at the end I want to move to the next row in a datagridview to show the user what record they have moved to. I expected this to be easy, using the following
Dim x As Integer
x = dg.CurrentRow.Index
dg.CurrentCell = dg.Rows(x + 1).Cells(0)
At end of last record it show Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index + visual basic 2008
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Aug 14, 2010
I have 2 datagridview and a button in winform. I want Move selected row or rows from datagridview1 to datagridview2 by button. How to move selected rows from datagridview1 to datagrideview2 by a button? (VB.net)
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Jul 14, 2009
I have a button on the screen 'Next' which performs some activities, but at the end I want to move to the next row in a datagridview to show the user what record they have moved to. I expected this to be easy, using the following code:
Dim CurDGVIndx As Integer = DataGridViewPtList.CurrentRow.Index
DataGridViewPtList.Rows(CurDGVIndx + 1).Selected = True
BUT.... Yes the highlighted record is the next record using this, however the selection (where the little arrow indicator is) stays on the original row. The selector needs to move too!
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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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Feb 12, 2009
In my application i need to move rows and columns in tablelayout panel at runtime.like how to we are doing at designtime.
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Feb 23, 2011
I have a live database and an Archive database. I want to do a selct on the live and basically create a new row in the archive database table and insert all the columns then delete the row from the live. Here is the code that creates and deletes:-
Private Sub MoveToArchive(ByRef oleDRClean As DataRow, ByRef oleDSArchiveCleans As DataSet)
Dim oleDRArchiveClean As DataRow
oleDRArchiveClean = oleDSArchiveCleans.Tables(0).NewRow
[code]....
I ran a query in access to show the same sql select and after running my routine they all say #deleted. But when I run the query again I get the rows back WHY!
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Feb 10, 2012
ames tile1 to tile 100Array is loaded from a textfile of 10,10 (not stored as a 10,10 just parsed from line to line, which I feel needs to be changed asap)Each tile is then given a corresponding graphic (e.g. grass, water, lava) and soon hopefully I will add interaction with certain tiles
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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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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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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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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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Feb 26, 2012
I have a form created which an unbound datagridview that has three columns. "Position", "ID", "Name". The data is being added at runtime into a database upon the forms completion. (I don't want to add unnecessary rows to the database in the event a person clicks Cancel.) What I need to do is on the deletion of a row in the datagridview, search through the rows "Position" for a "HJ" value. If it's not found, change the "Position" value of the first row to be "HJ".
[Code]....
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Oct 14, 2009
i have problem in moving to next column in a datagridview cell when enter key is pressed.It is moving to next row.
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Dec 8, 2009
I have a datagrid control on my form that receives data from a device on the COM port. I strip out the data I need and put it into the currently selected cell. When I load the grid, I find the first empty cell and set the focus so each load presents the user with an empty cell to start receiving data. Once I get the measurement, I need to move to the next cell down (like hitting enter in the grid). This will allow the user to do measurements with the external device without having to move to the next cell.
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Sep 18, 2010
Problem: My datagridview is moving from a tabcontrol onto the main form when I execute the below code. I desire it to stay in the original position. Details:
1) I created a MAIN datagridview1 for my master on tab 2 (OK) - this is for editing, deleting etc.
2) I created datagridview3 on tab 1 for implementing 2 textbox filters (OK)
3) The actual filter code fires on changing of values in two text boxes
The above works perfect except when the code below is executed, datagridview3 moves from tab1 of my tabcontrol to my main form. How do I keep it from moving (desired) or at the least move it back to control tab 1?
[Code]...
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Aug 3, 2011
I am updating my last post so hopefully someone will help. I have following code that will move a cell to the next column when hitting the enter key while doing an edit. It will even check the row at the last cell to validate data is present.
However, if there is no data in a cell and I press enter, the focus moves to the next line like it normally does. I need to prevent the user from moving or clicking on any cell until the cell they are on has data in it. Here is the coe I have used[code]...
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Nov 25, 2010
i'm attempting to develop a calendar using datagridview where column headers are dates and row headers are list of employees.
i would like to add a button/custom control on the datagridview to represent a task over time where I can move or resize at runtime.
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Jun 22, 2012
I have a text file which contains large amount (around 44,948 rows/lines & 9 columns) of delimited text data in a text file which I want to populate onto a DataGridView table. I have written the below code, but the application gets hung for the rest of the time & so I have to stop debugging the program.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim x As New IO.StreamReader(fileLocationTxt.Text)
[Cdoe].....
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Dec 23, 2011
I have a datagridview that has two columns with combobox's in them.
On a previous windows form a number is entered and passed to the function which populates the datagridview.
How do I add rows based on that number? So if 2 is entered two rows are added.
In the combobox's players name are added from a textfile.
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Jun 12, 2009
when i press enter key then column value is incremented and i want that when i reach to column index 4 then a new row is created in datagridview and again this keydown event is executed and agin when i am in second row in gridview again a next row is created when column index is 4 so how to that .
through this code only i can move to next col when i press enter and i have made DataGridView1.AllowUserToAddRows = false
Private Sub DataGridView1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles DataGridView1.KeyDown
If e.KeyCode = Keys.Enter Then
[Code].....
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Mar 14, 2011
how to apply to Datagridview 400 rows?
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Aug 11, 2011
My datagridview is bound to a data table. I want to filter the datagridview without affecting data table. I know one way is to use bindingsource, but binding source will use column names in its filter. But I want to enable users to enter any string in a textbox to filter. So I pass datagridview by reference to a function PassFilter which removes unwanted rows in datagridview. I can see that it does execute rows removal in datagridview. But the problem is that when datagridview is shown on the form, it is unchanged, the same as the data table. I do not understand why rows are not removed on datagridview The code is as follows:
[Code]...
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Aug 11, 2011
My datagridview is bound to a data table. I want to filter the datagridview without affecting data table. I know one way is to use bindingsource, but binding source will use column names in its filter. But I want to enable users to enter any string in a textbox to filter. So I pass datagridview by reference to a function PassFilter which removes unwanted rows in datagridview. I can see that it does execute rows removal in datagridview. But the problem is that when datagridview is shown on the form, it is unchanged, the same as the data table. I do not understand why rows are not removed on datagridview
The code is as follows:
DataGridView1.DataSource = table
PassFilter(DataGridView1, m_FilterQuick.strFilter.ToLower())
Private Sub PassFilter(ByRef datagridview As DataGridView, ByVal strFilter As String)
[code]....
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May 27, 2011
I keep finding ways to clear all the rows of a datagridview... but i want to keep my rows..is there an easier way than looping through every cell to clear all the values out of the cells of the datagridview??
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Dec 2, 2009
I'm building a tool to display xml within a DataGridView and then to compare the rows of data.
I have read the xml correctly and displayed it within the DGV and have sorted the DGV by 3 of the columns.
I'm stuck with comparing the rows as i need to check several things:
[Code]...
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