DataGridView - Selecting Row After Sorting

Sep 29, 2011

I have a datagridview that is bound to a dataview. I use a textbox to sort the list of data in the datagridview. Once the list is sorted I want to click on a row to populate the textboxes in order to update the data. Problem is once I sort the data I click on say row 3 and it pulls up the orginal data before the data was sorted in the datagrid view. For instance:

Before Sort:
1. betsy
2. james
3. john

After sort:
1. john
2. james
3. betsy

If I double click row 1 it will pull betsy info into my textboxes instead of john. I currently refresh my datagridview after every letter is entered into my textbox. I also reload my dataview and rebind the dataview with the datagridview.

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DataGridView Binded To DataTable - Now Sorting DataGridView?

Jan 20, 2011

At the moment I have a DataGridView (bindet to a DataTable) and some labels. If DataGridView's event SelectionChanged occurs,the labels should be filled with the information of the selected row -> No problems.But if I sort the DataGridView and click on a row, the informations in the labels are wrong.

Event:

Private Sub DGVMain_SelectionChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DGVMain.SelectionChanged
If DGVMain.SelectedRows.Count > 0 AndAlso Not Me.DGVMain Is Nothing Then[code].....

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Selecting A Row In A Datagridview?

Dec 5, 2010

I Have a problem with selecting a row in a datagridview. I want the user to press on the data rowheader of the data gridview of a particular row and then that rows first item are put in a string. But the problem is that if i Select an item another item is still selected. So If I press the mouse button on the row header the previous item is still selected and then the wrong data is in the string. Here is the code under the event of the datagridview mouse click:

Private Sub dataGridView1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles DataGridView1.MouseDown
Dim hit As DataGridView.HitTestInfo = DataGridView1.HitTest(e.X, e.Y)
Dim index As Integer

[code]....

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DataGridView - Selecting Row And Getting Value Of Cell

Oct 5, 2011

Currently I am using this code to fill my datagrid.
Dim da As New SqlDataAdapter("Select id, name, type, add1 from [company_details]", con)
Try
If Pdetails.Visible = True Then
con.Open()
Dim ds As New DataTable
[Code] .....

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DataGridView :: Which Event To Use In Selecting A Row

Feb 14, 2010

I have a bound datagridview containing 4 columns. All I want to do is click on a row and then assign the value for each column to other controls (in this case textboxes). My problem is, I'm not sure which Event to use. I don't know how many events I've tried the code below in several different events but none of them are working.[code]

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VS 2010 Selecting A Row (DataGridView)

Jul 29, 2011

I try to select the last row like this:

Dim lastRow As Integer = DGV.RowCount
MsgBox(lastRow)
DGV.Rows(lastRow).Selected = True

The messagebox returns the correct number, but when it comes to select that row it says:Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

But if I assign it a row, example: DGV.Rows(5).Selected = True

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Sorting In Datagridview

Jun 11, 2009

I have a problem with sorting in datagridview. I load an xml file in a datagridview and I sort the collums for check. when I try to sort it according to it's number the sorting goes like this:

[Code]...

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Sorting In Datagridview?

Jan 14, 2010

I have two columns in a datagridview, one is a year and the other is a month. These two form a date, but unfortunately the structure in the database I'm forced to use is that of two integers. I need to sort the rows by date, using these two integers. I tried creating an unbound column with a date, but sorting this way seem quite difficult. So, I thought I could do a multicolum sorting by year first and then by month using two columns

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DataGridView And Checkboxes Re-selecting Automatically

May 24, 2010

I have a strange problem with a DataGridView I'm using which is bound to a table in VB.net

I've added a checkbox column to allow a user to tick a bunch of rows that I can then loop through and save off to a different table. All the checkboxes are enabled by default. So it's really a case of unchecking the rows which aren't required.

However, the DataGridView re-enables any checkbox that I click after I click on a checkbox in another row. So in effect, only one row can be unchecked at a time.

EDIT: I forgot to mention this is a Windows form, not an ASP.net application.

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DataGridView And Selecting Multiple Rows?

Jul 9, 2009

I have a DataGridView that is being populated. What I'm trying to accomplish is when I select like 3 rows I click a button and it gives me the "row numbers" for those three rows.

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Selecting And Deselecting All Checkbox In The Datagridview?

Sep 30, 2009

I have this datagridview on form1. It can select the items that be selected. But the problem is I want to select all the items. Here is the code that the datagridview can select one by one:

Dim i As Integer
Dim ds As DataTable = CType(DataGridView1.DataSource, DataTable)
Form1.TextBox1.Text = ""

[code].....

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Selecting Full Row Of Datagridview On Form_Load?

Mar 1, 2010

how can i select full and first row of datagridview in vb.net on form_Load

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VS 2010 Datagridview Column Selecting?

Oct 25, 2011

Is there a way to make a column unselectable? I can make the column read-only but it would be easier if it was unselectable so the user won't be confused trying to enter data into a read only cell. So if I clicked on a cell in that column or moved into that cell in that column it would jump to the next column, or not focus on the cell at all.

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Custom Row Sorting In A DataGridView?

Jun 5, 2011

I have a DataGridView that is being populated via SQL with one table and is being filtered by Stock Code. I need to sort the view of one Stock Code by Nutrient names, but the sequence number is in anther SQL table. it would be easy if i could put the sequence in one table but that's not possible

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Deactivate Sorting In DataGridView?

Jul 8, 2010

How do i deactivate sorting in my dgv after a certain button is clicked?

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Numeric Sorting A Datagridview?

Nov 17, 2009

I am automating a datagridview that will hold the name of an object in one column and the number of units in the second column. The datagridview keeps recognising my numbers as a string and doesnt sort them accordingly. Any ideas how to inform the datagridview to sort by numeric?

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Sort Datagridview Row Sorting?

Aug 24, 2011

I need to sort datagridview row sorting. There two color in the datagridview rows, some is yellow, some is white. How can I sort them by yellow rows shown first then only show white color rows?

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Sorting By Columns With Datagridview?

Nov 1, 2010

Is it possible to sort a datagridview by column when a user clicks a column header? I have the sort method set to automatic under each column, which from what I read, is what I need. I know this has to be insanely easy....

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Sorting Data In Datagridview?

Jun 28, 2011

I have a datagridview with four columns, the first of which is date. I was wondering if there was a way to sort all of the data by date using code. I was thinking about doing a bubble sort, but I feel like there must be an easier method.

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VS 2008 Datagridview Sorting On/off?

Aug 25, 2009

win app where user loads files from win explorer into a datatable bound to a datagridview. After loading the files, each filename is parsed and split into different fields and finally sorted w.r.t. to two its columns. One column is filled with error codes and depending on these, the cells that contain errors will be marked redIt's a three-step process where I just described step one.In step 2, the user will edit the data and hopefully correct the errors, cell by cell, according to some rules and here it's where my problems start. Since I sort the table in step one, sorting is activated and each time the user changes a value in one of the sorting columns the table will do a resort, messing up some of the editing done by the program (cell background color etc.) confusing the user.I have tried to use several of the datagridview events (mainly the cell and the row events) and also to turn-off the sorting by setting its dataview.sort="". Neither of my attempts has been complete successful so far.

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VS 2008 Datagridview; First Row At Top After Sorting?

Nov 2, 2009

I need to have "press" grouped (all jobs for press #1 then #2 then #3). Then have the grouped press jobs sorted by date ascending (all Mondays jobs together, Tuesdays jobs, etc.)When I change: Me.~my~BindingSource.Sort = "print date" to Me.~my~BindingSource.Sort = "print date, press"My datagridview groups the press rows together and lists everything in ascending order according to todays date just fine, except it won't show the first job with today's date at the top of grid. It will start somewhere within the today's date entries. I then have to scroll up 4 or 5 rows to see the first job with today's date.

But if I change my PC's calender/clock to any other day (past or future) it works perfect, first job at the top, all presses grouped together. Set clock back to current day and time and again it will start somewhere within the today's date entries.

Me.~my~TableAdapter.Fill(Me.~my~DataSet.~my data~)
'---Sort by "Print Date"---
Me.~my~BindingSource.Sort = "print date"

[code].....

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Selecting Child Object From ComboBoxColumn In DataGridView?

Sep 22, 2010

With the two lists (t1s and t2s), I want to display t1s in a DataGridView, and in one column show the T2 property as a comboBox column, which dropdown will show the t2s list such that a new list instance can be selected. T2 has a Name property that should be used for displaying it in the comboBoxColumn.

I'm able to display the dropdown, but remaining a few problems:

1. How to display the correct comboBox "selection" on "load"?

2. How to change the T2 child object instance when combobox selection is made?

3. This is a really basic problem, which suddenly happened and I just couldn't understand what I have changed; The code marked BLUE now just shows empty cells.. While the AutoGenerated columns do show values.. Shouldn't those "manual" columns work?

[Code]...

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Selecting Data In One DataGridView Based On Selection In Another?

Oct 5, 2009

NB: I'm using Visual Basic.NET?My form has 2 DataGridView controls. One of these is bound to a DataSet, the other isn't visible - at least not until the user selects a uniqueidentifier cell in the 1st grid.When the user makes this selection, the 2nd grid will become visible and display the row from another with the same id as the one selected in the 1st grid.So, basically, I want to dynamically display data in one grid based on user selection in another grid.My code looks like this so far...

Private Sub RulesGrid_CellClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles RulesGrid.CellClick
Try
FlagsGrid.Visible = True

[code]....

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Use Checkbox For Selecting Multiple Rows From DataGridView?

Sep 24, 2011

I have created a bound DataGridView and then added an unbound checkbox (name=select) for selecting multiple rows. The problem I'm having is the row doesn't actually get selected when I set .selected to true which I'm doing in the CellValueChanged event. When I trace it the code is properly executed but the row is not highlighted when the checkbox is checked and consequently not selected in the grid.There is no mouse or keyboard and the input device is a USB button panel which we built.

Public Sub dataGridView1_CellValueChanged(ByVal sender As Object, ByVal e As DataGridViewCellEventArgs) Handles DGV_Categories.CellValueChanged
If DGV_Categories.Columns(e.ColumnIndex).Name = "Select" Then

[code]....

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DataGridView - Removing Columns And Sorting?

Mar 10, 2009

Is it possible to remove from a datagrid view very first "column" i.e. the row selector and also to remove the ability to reorder the columns ?

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DataGridView Multiple Column Sorting

Jun 9, 2009

I'm trying to sort multple colums in the DataGridView which is unbound. I would prefer to sort by using a DataTable/DataView but for some reason another developer in my team experienced other problems relating to sorting so he abandoned using the DataTable to fill the grid :(

Here is the senario: I want the user to be able to choose which columns they want sort on. The way I envisaged was to show a form with a listbox, a grid and 3 buttons (Add to sort, Remove from sort and Apply Sort).

The list box would be populated from the parent form grid column headings.
The grid will show the columns and sort direction.
Button 1 would add the selected item of the list box to the grid.
Button 2 would remove from the grid the selected row.
Button 3 would Apply the Sort in the order of the grid and the columns SortDirection.

Now I looked at How to: Customize Sorting in the Windows Forms DataGridView Control using the IComparer [URL]

how I can use the IComparer to sort on multiple columns that a user has specified or another way to sort on multiple columns using unbound data.

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DataGridView Sorting By Cell Color

Nov 11, 2010

How would I sort or filter the datagridview so that only cells that are color.red are viewable? What I have now shows all of the red and not red cells with the values <=0 else color.black. But if I were to put this on a button I would want only to see the color.red cells on the gridview.

Try
'##############################
For Each dgr As DataGridViewRow In dgProducts.Rows
'##############################
If CInt(dgr.Cells(4).Value) <= 0 Then
dgr.DefaultCellStyle.ForeColor = Color.Red
Else
dgr.DefaultCellStyle.ForeColor = Color.Black
End If
Next

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DataGridView Sorting On Columns Not Working?

Apr 28, 2010

I'm using vb 2005, seems sorting is not working if I change the data by code. For example, if I have a simple form with only one datagridview and one button, grid was sorted on column 1, then I press the button to randomly change data in column 2, then use column 2 to sort, the display order is not correct, but after the button click, if I click on a cell, the grid will re-sort by itself, and get the right list. I know DataGridView is not for Editing data...

Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim dt As New DataTable
dt.Columns.Add("C1")
[Code] .....

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Error In Sorting Datagridview's Columns?

Oct 7, 2009

I have a datagridview and all its columns are set to Double Datatype. The problem is when I changed the value of cell and try to sort the column, it shows me an error "Object must be of type Double." I check each cell but all its values are number and I can sort all the columns before I edit one cell. But when I tried to change the value of only one cell and sort the columns, the errors will show. Its weird because I only removed 1 digit of the cell value and I cant sort at all.

Code:
Dim col As New DataGridViewTextBoxColumn
col.ValueType = GetType(Double)

[code].....

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Sorting A DataGridView Image Column?

Feb 27, 2009

I need to be able to sort a DGV image column by clicking on its header. I set the sort mode to automatic in the designer, but when I click on the header nothing happens. Are these columns sortable? If so, what do I need to do?

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