datagridview

Adding a control in Datagridview

How to add a control in DataGridView? Using Button event. For example i want to create a new a row and column in DataGridView, this i want to happen through button control. How can i do it? I am using C#.net and MS-Access. ...

DataGridView's SelectionChange event firing twice on DataBinding even after removing event binding

This Code triggers selection change event twice. how can I prevent it ? Currently i m using a flag or focused property to prevent this. But what is the actual way ? I am using it on winfoms EDIT My Mistake in writing Question, here is the correct code that i wanted to ask private void frmGuestInfo_Load(object sender, EventArgs e) { t...

Winforms - Datagridview, disable button/row

Hi folks, I have a datagridview on a form with some data. The 1st column contains button for deleting the row. How can we disable this button or the entire row based on some condition, so the row cannot be deleted? TIA ...

Datagridview filter on database view

My database contains two tables and two views. So far I've been able to filter my DataGridViews that are bound to the tables just fine by using code like myBindingSource.Filter = String.Format("columnName LIKE '{0}*'", FilterBox.Text); Only problem is, when I use that format for my DataGridViews that are bound to my Database Views I g...

DataGridView and Binding List Event.

I have a datagridview with a datasource of type binding list. I understand that when the datagridview changed this will update the items in the binding list. I also know that if the objects in the bindinglist implement Inotifypropertychanged then if the obects are changed outside the grid then the objects will notify the bindlist which...

Adding row to DataGridView from Thread

Hello, I would like to add rows to DataGridView from two seperate threads. I tried something with delegates and BeginInvoke but doesn't work. Here is my row updater function which is called from another function in a thread. public delegate void GRIDLOGDelegate(string ulke, string url, string ip = ""); private void GRIDLOG(str...

When i am adding eventHandler on combo in datagridview, its adding eventHandler to all other combo of same datagridview

i am using VS2005 (c#.net desktop application). when i am adding eventHandler to a combo of datagridview, its automatically adding same eventhandler to all other combos of same datagridview.. my code: private void dgvtstestdetail_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) { DataGrid...

What's the best moment to commit to the DB a row inserted to the DataGridView control?

What's the best moment to commit to the DB a row inserted to the DataGridView control? ...

Winform datagridview selection is wrong after editing.

I am using a winform datagridview. The datagridviews datasource is a binding source. The gridview is using the CellEndEdit event to update the datasource. The datasource gets updated and the following property is set: public List<Collection> Collections { set { this.SubjectCollectionDOBindingS...

DataGridView fails SelectedCells property

Hi! in my project I have 3 DataGridView and I need to retrieve the SelectedCells of the grid in 2 grids this works fine, but in one ( and the code is exactly the same of the other 2) the grid.SelectedCells.Count is 1 but If I go in the inspector to view which cell is selected, the result is 0,0... thanks ...

How to find the row ID from datagridview, given a row value?

Hi, Can anyone help me please? I have to find the row number from 1 selected array which I stored in one separate array and randomly I'm trying to get the row number from datagridview http://serv8.enterupload.com/i/00246/aewglahmvpr5.jpg In other words: if I know a column value for a given row in a datagridview (e.g. for this row, F...

how to get the values entered from the datagrid

i have a datagrid. which display some values which is already inserted and that is fetched from database.but from the datagrid i need to insert the values to database. how to find in which row a new record get inserted and to pass all the values to database any idea??? How to get the row before last row index or any identification.. ...

Change row color based in a value in the C# Datagrid

I have a bool field in a cell of a datagrid. What I want to do is to color the row with red for true and green for false. How can I do this with the C# Datagrid? ...

Datagridview retains waitcursor when updated from thread

I have a DataGridView control in my Windows Forms Application. I am adding rows to the grid using a background thread. I change the form's cursor to Waitcursor when the process starts and back to Default when it ends. This works well for the form, but not for the grid. When the form's cursor is changed back to default, the grid's cursor ...

DataGridView Binding searching and other things

Hi, back with a new questions. this time is regarding Data Grids, At the moment i currently have an unbound datagridview control which i populate from a mysql statement, i can then search and repopulate the control from a text box using an on keydown event, which basically takes the indexof the search box and checks it against the retu...

Does the BindingSource "see" changes made to the database by other operations?

I have a BindingSource whose datasource is a database table. There is a DataGridView whose datasource is the BindingSource. I have not been able to determine if changes made to the database are immediately seen by the binding source and then rows added/changed on the DataGridView. Environment is: VS 2008, VB.NET, database is SQLite. ...

Problem in datagridviewComboBoxColumn

In my datagridview , when in click on datagridviewComboBoxColumn to populate its dropdownlist it not show me dropdown list for that i need to click 2 times. at first time it just focus to datagridviewComboBoxColumn and on second click it populate its dropdown. but i want to populate its dropdownlist on single click. please help me out. i...

Problems refreshing DataGridView after database update in VB.NET

Dim myQuery = "UPDATE table1 SET data= CONCAT (data,'" & vbCrLf & "[ " & Date.Now() & " ]" & " " & "[" & getCN() & "]" & " " & txtTelenotes.Text & "[ item1 ]" & "') WHERE id='" & txtID.Text & "'" myCommand.Connection = conn myCommand.CommandText = myQuery myAdapter.SelectCommand = myCommand Dim myData As MySqlDataReader myDa...

How to validate a DataGridView Cell is not empty, when the user never enters the cell?

I just want to check and make sure that a cell has some data in it. My situation is I have 3 columns in a DataGridView. When someone adds a new record the rows are blank. The first column is a ComboBox, the next two are just plain text. If someone just enters in one of the text boxes and doesn't select from the combobox, when they pr...

Setting SqlParameter value automatically with DataGridView?

Is there a way to set a SqlParameter's value with DataGridView, if data-bound? For example: SqlCommand selCmd = CreateCommand("SELECT * FROM table1"); SqlCommand updCmd = CreateCommand("UPDATE table1 Set column1 = @column1 WHERE id = @id"); updCmd.Parameters.Add(new SqlParameter("column1"), SqlDbTypes.Int)); updCmd.Parameters.Add(new ...