datagridview

How to use the ASP .NET AJAX Toolkit Tab with a Grid View inside

Hello, I have already search for some time over the net on how to create an ASP .NET AJAX toolkit tab control which uses GridView inside, could anyone point me on how to do this? Right now, our GUI team has already made a static tab control which is quite properly designed. I do not know how to use the tab with this. Any tutorial or li...

How to add progressbar column in DataGridView in C# (Winforms)

Is there any way so that I add a progress bar column in datagridview. Actually I need to show the progress for each rows (task) in the datagridview. Let me know some sample code or links to acheive this functionality. ...

How to display rows based on search value which works for multiple columns

HI all, I have an issue where i have to search rows in a datagrid view based on the key value given explicitly through textbox. This key value should be of any column in the datagridview. But unforutunately it works only for one column (in the below code column used is b) string ss; ss = textBox1.Text; ...

DataGridViewPaintParts enumeration backgrounds

With regard to the DataGridViewPaintParts enumeration, there are three kinds of background within it: Background, ContentBackground and SelectionBackground. What does the ContentBackground draw? I can turn this on and off by using e.PainParts within the DataGridView RowPrePaint event, but it doesn't appear to do anything. MSDN is less...

DataGridView - "Cell Selection Style" - Edit Cell

I'm working on a WinForm client with a DataGridView control. I notice users have to click once to select the cell and again to edit it. What is the way to change this to a single click edit mode? I thought I had seen something like this before but can't remember the name. ...

Custom Sorting on a DataGridView

I found a few questions similar to this one here on SO, but none that matched this problem, so here we go. I've got a DataGridView showing members of a team. All the team members have an assigned role within the team listed in one of the columns. Examples could something like be "Legal Representative", "Account Manager", "Assistant Acco...

Operation can only be performed on cells that belong to a DataGridView control

The following code throws an InvalidOperationException with the above message and I don't understand why. My code calls the following method when the user may have made changes to the datagridview's underlying data source. The goal is to update the display with any changed data, and preserve the sort column and order. private void Rel...

How do I handle painting for a DataGridView's editing control?

I have a DataGridView and I'm drawing TreeView-style dotted lines on the first cell of each row during its RowPostPaint event. When the first cell (which is a DataGridViewTextBoxCell) is in editing mode, the lines aren't drawn. How do I handle painting for the editing control? The standard editing control doesn't have a Paint event, a...

DataGridViewComboBoxColumn name/value how?

I thought this was simple like in Access. User needs to set the value of one column in a datatable to either 1 or 2. I wanted to present a combobox showing "ONE", "TWO" and setting 1 or 2 behind the scene, like I did lots of times in Access-Forms. On the other side, if the table is shown it shall not show 1 or 2 but the corresponding ...

Splitter leaving trail in winforms datagridview custom editing control

I've created a custom column for the datagridview. The editing control consists of a user control with a multline textbox and button placed on it. This all works fine unless I size a column left or a row up. The part of the splitter over the background of the user control is fine, but the part over the textbox or button leaves a trail b...

.NET WinForms - Programmatically End Current Edit - DataGridView

How can you programmatically end the current cell edit without losing the change? I have my DataGridView set to EditOnEnter mode. I tried EndEdit() on the grid but this backs out the current edit. ...

Binding Entities to a Windows DataGridView

I have an EF source that I'm binding to a DataGridView. The binding is happening programatically. However, the sorting is not working. So I decided to mess with some code and create an Extension Method, but it seems like its still not working. public static class BindingListEntityExtension { public static BindingList<T> ToBindingLi...

DataGridView navigation on Enter/Return

I'm trying to use the Enter key to move to the next (non-read-only) column in a DataGridView. Under normal circumstances, I handle the KeyDown event and everything works great. However, when I'm editing a field, the Enter key always completes the edit and then moves to the next row. Weirdly enough, I'm getting the following sequence of...

Performance Diff on using DataTable vs ArrayList as Datasource on ASP .NET

I am currently working on a web application. I was just wondering which has a better performance when used as a DataSource for say a DataGridView or a DropDownList control. I believe that DataTable is harder to create unless you get it from a DataReader but if you have a ORM layer that abstract the use of DataAccess classes like DataRea...

DataGridView checkbox column - value and functionality

Here is a reference the old SO question. http://stackoverflow.com/questions/1237829/datagridview-checkbox-column-value-and-functionality/1395215#1395215 I need to know, how would I get the information from a specific cell, so that i may further make the crystal report of the checked rows of datagridview. Thanks. -nav ...

Create a Custom Component which have WebBrowser and Grid C# Windows App

I have an interface which return a Control based on File Name for example if there's an html file I am returing an Instance of WebBrowser Componet. This WebBrowser Component inherits from WebBrowser Class. I need to update this component so that it can accomodate a grid as well. What Should I do ? I am working on Windows Application ...

.NET / WinForms - Clear a Sort on a DataGridView

What is the proper method to tell a DataGridView to stop sorting? I have a "screen" where I tell the grid programatically to sort by column 4 and ascending. When I switch to another area I want the same grid to come in 'default'/no sort. I'm removing all the columns and adding new ones. The sort remains on the 4th column. I don't see a...

Getting row number in a DataGridView

How do you get row number DataGridView cell? Specifically, if a user has selected a single cell, how can you get that row number? It needs to access a particular cell based on what the user has selected. I know that the RemoveAt method can be used to remove at the Focus, but you cannot get the row number at focus apparently? Thanks for...

c# Datagridview cell not accepting currency format change.

Hi, I am trying to change the format of a cell in a datagridview using the following code. this.dataGridView[2, 1].ValueType = typeof(decimal); this.dataGridView[2, 1].Value = 500; this.dataGridView[2, 1].Style.BackColor = System.Drawing.Color.OrangeRed; this.dataGridView[2, 1].Style.Format = "c"; The c...

DataGridView with run-time columns

I'm using C#, Windows Forms, .NET 3.5 SP1 I have a DataGridView with a lot of columns that I don't know about until run-time (i.e. I don't know I need a Foo column until run-time). To get data into and out of the cells, I'm thinking about the following architecture. Am I on the right track, or am I missing something easier? public in...