datagridview

Listview functionality missing in DataGridView (first letters lookup)

Is there a way to enable/implement the functionality of jumping to a row based on the first few letters typed? This functionality exists in the ListView control but it's not in the DataGridView control. Thanks in advance. ...

Retrieving items from --- DataGridViewComboBoxColumn

Suppose I have designed a DataGridView to have a comboBoxColumn named 'dataGridViewComboBocColumn'. I can populate the comboBox using the following code: private void DataGridViewForm_Load(object sender, EventArgs e) { BookCollection books = Book.GetAllBooks(); foreach (Book b in books) { ...

DataGridView -Value does not gets saved if selection is not lost from a cell

Hi, I am using DataGridView Control for reading and writing an XML file through XML Serialization. I have a little pb? as explained below: 1. I read an XMl file and populate a Datagridview controls with deserialized object. 2. I go and update all the values on the datagrid view on the cell. ...

DataGridView - Validating for Cell

Hi , I am new to DataGridView control so please exuse me if I ask any obvious question. I have a datagridview control , in which I want to restrict user to enter only numeric values only for a cell under a particular column. What will be the best way to create such type of validation in DataGridView cells. It is possible when we creat...

Win form DataGridView dynamically adding button column

I'd like to add a button column dynamically to a DataGridView after it has been populated. The button column is visible after adding it, but when I try to loop through the DataGridView rows, I get a null for the button in each cell. var buttonCol = new DataGridViewButtonColumn(); buttonCol.Name = "ButtonColumnName"; buttonCol.HeaderTex...

column order problem in dataGridViews in C#

I fill the dataGrid by binding a dataSet to the grid, with aDataGridView.dataSource = aDataSet.aTableName, when I trace the code after using this function, all of the column indexes are reset to 0, what can I do? how can I find new real indexes? can I use a different function? I tried this code I found here, but it's not working: this.d...

C#: How to handle "self-references" for tables within DataGridView?

Situation: In my database I have a table in which records may reference other records in the same table. Every record has a unique numeric ID (auto-ID column) and a nullable column IDRef which may contain the ID of the record to be referenced. Now, in my C# Windows Forms application I'm using a DataGridView to allow the user to edit th...

How to draw a custom DataGridView multi-column header

I've done this with and asp.net grid view and header templates and I need to port this same concept over to my winform application. I'm trying to find a way to have a cell or label span the width of several sub-headers. There are third party controls that do this but buying one is not an option at this time. Here is an example of the w...

Limitations to recording changes in a bound dataGridView to a dataTable

Hello, I was under the impression that upon binding a dataGridView object to a dataTable that any changes the user makes in the dataGridView are then recorded in the dataTable. These changes include switches in column order, sorting, and the addition and deletion of rows. However, this does not seem to be the case. I am finding that ...

C# datagrid cell Is not NULL

Hi all, I want to find cells in column strSearchFilter that DO contain a value (any value) and hide the rows that DO NOT have a value (i.e. NULL). My code below returns all rows that have NULL in the strSearchFilter column the opposite to what I want. Thanks strSearchFilter += string.IsNullOrEmpty(txtFilterValue.Text) ? " IS NULL"...

Itemclick event in datagrid.

Hi, The problem can be summarized as when clicking an item in datagrid, the text area shows the value of the item, but here the compoents are separate and hence events need to be dispatched. My mxml component file : <?xml version="1.0" encoding="utf-8"?> <mx:DataGrid xmlns:mx="http://www.adobe.com/2006/mxml" itemClick="itemClickEvent(...

C# DataGridView Check if empty

I have a datagridview which gets filled with data returned from a linq query. If the query returns no results I want to display a messagebox. Is there a way of checking to see if the datagridview is empty? Regards ...

Once a user sorts a datagridview how do I get back the original row index?

say I display a datatable on a datagridview, then the user sorts it, and selects a row... I want to do something with the original datatable to the same row... but the row indexes in the datagridview and datatable are now out of sync. How should I be doing this? ...

Databinding with a custom object to datagridview - Column Header Text

Hi, I have an list of objects (PrintJob) that I bind to a DataGridView. Here is a cut down version of the PrintJob object (Don't want to bore you completely!!): public class PrintJob { private long pagesToPrint; public long PagesToPrint { get { return pagesToPrint; } } private long...

WPF DataGrid.ItemSource

I'm passing IEnumerable Collection into WPF DataGrid through DataGrid.ItemSource property. But it doesn't update DataGrid when I'm trying to change collection items in a code. Why? ...

Windows Forms DataGridView control have different control types in the same column

Is it possible to do the following in a DataGridView: In the same column I want to change the control type of each row between DataGridViewTextBoxColumn and DataGridViewComboBoxColumn? (this is because sometimes I want to display a drop down list and other times I just want the user to enter a freehand value). Thanks, P.S. I am using...

Adding information to a gridview in Visual Web 2008

I would like to use a grid view to list rows of data without refering to a data table. I am using a listbox now but want to ability to better format the rows, I thought a datagrid would work great, but I am not sure how to populate the datagrid every time a button is hit without refering to a DB. Thanks for your help. ...

DataGridViewCell Inheritance - cell rendering

I am new to WinForms and C# so apologies if this is a bad question. I am trying to create my own cell class for use in a DataGridView (eventually the plan is to show either a combo or textbox depending on some other property, but I cannot even get it to work as a normal textbox at the moment). The problem is that, whilst I can set the E...

Programmatically Change Individual Cell Borders in a WinForms DataGridView

Hi and thanks for reading. I need to programmatically change the border of individual cells in a WinForms DataGridView. When searching on the 'net, I found this link (http://bytes.com/groups/net-vb/501128-changing-datagridview-cell-borders-runtime) which is the same thing that I am trying to do; however, there isn't a code example ther...

Is it possible to show a selection border rather than back-colour in a DataGridView?

My DGV has row BackColors set to various colours based on business logic. When a user selects the row the colour changes to the selected row BackColor thus obscuring the pre-set colour. I would like to preserve the original colour when a row is selected and indicate selection with (perhaps) a bold border around the selected row. Is this ...