VS 2010 - Datagridview - Rows Cannot Be Programmatically Added To DataGridView's Rows Collection When Control Is Data-bound

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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VS 2010 - "Rows Cannot Be Programmatically Added To The DataGridView's Rows Collection When The Control Is Data-bound"

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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Error Message: Rows Cannot Be Programmatically Added To DataGridView's Row Collection When The Control Is Data-bound

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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Rows Cannot Be Programmatically Added To The DataGridView's Rows Collection

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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Error - Rows Cannot Be Programmatically Added To The DataGridView's Rows

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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Interface And Graphics :: Rows Cannot Be Programmatically Added To DataGridView

Mar 16, 2010

Below:
datBrakePointsX.Rows.Add(strA)
produces the error 'Rows cannot be programatically added to the DataGridView's rows collection when the control is databound.'
To my knowledge, this is an empty grid. I am adding data manually and the code below works if I remove the line. The problem is I need to add the next line.

Private Sub cmdAddX_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdAddX.Click
' Find the first blank cell
For c As Integer = 0 To datBrakePointsX.Rows.Count
If Len(datBrakePointsX.Rows.Item(0).Cells(c).Value) = 0 Then
datBrakePointsX.Rows.Item(c).Cells(0).Value = c
[Code] .....

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Fixed Number Of Rows For A Data-bound Datagridview?

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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Save Newly Added Data In A Row Or Rows From DataGridView Into SQL Server When The User Clicks A Button?

Mar 5, 2012

if could modify the following code for me so that it save data row by row from a DataGridView into SQl Server. Currently, the code saves data from all rows at time instead of saving only the recently added data in a row or rows when the user clicks a button.[code]...

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Deleting Selected Rows In A Bound Datagridview?

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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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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Add Rows Programmatically To A Bounded Datagridview?

Jan 6, 2009

I have a datagridview which i getting populated by the following

Dim SQLCOMMAND As New SqlClient.SqlCommand("SELECT COMMAND")
SQLCOMMAND .Connection = New SqlClient.SqlConnection("connectionstring")
Dim dataset As New DataSet()

[code]....

now i want to programmatically add the rows to the datagrid.....bcoz i can't add an array as the error givesrogrammatically rows can't be added to the bound datagrid....

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Programmatically Highlight Multiple Rows In DataGridView?

Feb 18, 2010

I need to highlight rows in an unbound datagridview at runtime.I've tried to highlight right after adding the row using dgv.Rows.Add(row0)dgv.CurrentRow.Selected = True

This has no apperent effect as none of the rows are highlighted.How do I get various rows to highlight at runtime.

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Programmatically Moving Trough Rows In A Datagridview?

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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VS 2008 (DataGridView) :: Delete Successful Inserts Of Rows And Move Rows Up?

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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.net (DataGridView) - Delete Successful Inserts Of Rows And Move Rows Up?

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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Can Datagridview Rows Fit Control Without Resizing

May 12, 2009

I have drawn out a datagridview onto my form at a certain size.But, say I have 3 rows of data and they dont fill the grid to its bottom. So I'm left with a bunch of empty grey color stuff in the rest of the control below.Is there any simple property/method that will fit the control size to just the rows loaded, or am I being too picky?

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Setting Names To Rows In DataGridView Control?

Oct 12, 2011

VB.Net's DataGridView supports naming columns, but I was wondering if it could somehow do the same for rows, so that we could use something like this:

With DataGridView1
.Rows.Add(4)
.Rows(0).Name = "Setting1"

[Code].....

Do you confirm that it's not possible and we must use numeric indexes to refer to row numbers?

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VS 2010 : Filter Rows From Datagridview?

May 22, 2012

I have a datagridview and im using this code fill the table from a txt file.

Private Sub PopulateDataGridViewFromTXT(ByVal SFileName As String)
'Variables to store the count of rows and columns
Dim nRows As Long

[code]....

All that long list(more than 2000items) is loaded into my datagridview which have two columns named "ITEM" and "ID" With the code above the item from the id is splitted to each seperate column.I want to press a button and filter the table to show only swords for example or only spears.And the other thing is to make a search button to search for a specific item,which i suppose if the first thing is doable the second will be peace of cake..

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VS 2010 DataGridView Blank Rows?

Feb 8, 2012

on my form i have a GridView with add/edit/delete rows disabled, i need it to show blank rows for the unused size rather than blank background.

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Save Datagridview Rows As New Rows?

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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VS 2010 - Adding Rows To Bottom Of DataGridView

Feb 1, 2012

I am trying to insert an initial line (0) into a datagridview (named params). The program will then read each cell in that row, pass them through a function and return values be placed into the next line (1). This will continue until one of the parameters reaches some set point. The problem that I am having is that when I try to insert a new line, it appears above the initial one and not below it like I would like it to.

Here's my code so far:
Private Sub HurricaneWinds_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim init_xrange() As Double = New Double() {0.0, 0.0, 0.0, 40.0, 0.0}
For i As Integer = 0 To 4
params(i, 0).Value = init_xrange(i)
[Code] .....

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VS 2010 : Creating An Array Of DataGridView Rows?

Aug 31, 2011

I'm trying to create an array of DataGridView rows using this

Dim rows As DataGridViewRow() = Nothing
Me.DataGridView1.Rows.CopyTo(rows, 0)

But it gives me this error:

Value cannot be null.Parameter name: dest

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VS 2010 DataGridView Multiple Rows Status

Aug 8, 2011

My below is not an error. It just I need an alternative way of doing thing. I have a DataGridView which has a DataSource of DataTable on a Form. In this form, I have a 'Remove Selected' button which will remove all selected rows in DataGridView. And another 'Remove All' button which will remove all rows in DataGridView regardless of rows selected or not.

[Code]...

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VS 2010 Delete Specific Rows In A Datagridview?

Feb 6, 2012

i am trying to delete specific rows in a datagridview that start with a specific falue. What i have so far is

Dim rows As Integer
rows = Me.DataGridView1.Rows.Count - 1
For count = 0 To rows - 1

[Code]....

Now this code works if one row meets the criteria but when multiple rows have the same value i get the following error.

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VS 2010 Sum Of Manually Selected Rows Of Datagridview?

Oct 1, 2011

I have a datagridview on my desktop application, what I need is to show in a a textbox the sum of collums values, of rows selected manually. Is this possible?

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DB/Reporting :: Deleting Rows In Data Base And Datagridview?

May 3, 2010

i am working on my first database program. i believe that I am almost finished, except that i have a remove button like i would like to remove just a single selected row both from the datagridview and the actual database. this is just in case any information is entered wrong, and also to delete all the entries i put in just for testing purposes. the only problem im having is in updating the database after removing the row from the datagridview

Private Sub btnDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RButton1.Click
If Not DataGridView1.CurrentRow.IsNewRow Then

[code].....

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Sending Data From Textboxes To DataGridView In Organized Rows

Nov 17, 2011

How to send data from textboxes to particular rows with the click of button1. For example, if texbox1.text has "Hello" in it, I would like the data to be sent to a datagridview or any object that has an excel like format and send "Hello" to a from the textbox.

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Add Checkbox In Multiple Rows Runtime Datagridview .net 2010?

Jun 2, 2011

I generated columns from database and getting cell values from database too. my problem is that for some columns I have to generate checkbox in each cell at runtime.I m using visual studio 2010.

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DataGridView - Nonvisible Rows Are Still Visible And The DataGridView Is Empty Despite Having A DataSource

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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Disabled Specific Rows In DataGridView Using Visual Basic 2010?

Jan 10, 2012

how to Disabled Specific Rows in DataGridView using visual basic 2010

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