datagridview

WinForms C# DataGridView force refresh

Baby steps rolling... I have a form with a data grid bound to a table. I have some textboxes on the form bound to the table[columns], so as I scroll the grid, the textboxes show corresponding data. I go to an "Edit Mode" of the textboxes and change the content and hit a save button. The grid doesn't refresh the changed context until ...

How do I find out what originally caused an exception, if it gets thrown from Microsoft's code?

I have two controls containing DataGridViews on different panes in a DockPanel. If one is in edit mode and I switch pane, I get a NullReferenceException thrown from within the DataGridView's EndEdit() method. The stack trace doesn't go any deeper than that and the exception doesn't contain any more information. I've looked at that met...

DataGridView: Change Edit Control size while editing

Hi all, in the DataGridView I want the cell size to expand according to the string length when I edit the cell. Excel does the same. In the DataGridView, when entering edit mode, a DataGridViewTextBoxEditingControl is placed at the cell position. I tried to change the bounds/size of this control, but result is just a short flicker of m...

Changing the style of Individual cells in a datagridview row

Is it possible to give individual cells in a data grid view row different styles such as backcolor, fontcolor etc? I do not mean giving the whole row a new style, only a specific cell. ...

DataGridView doesn't draw fully when shown

I have an application that uses DataGridView in two different locations. In one location, the DataGridView shows everything fine. In the other location, whenever the form containing the DataGridView is initially loaded, only about half of the visible portion of the DataGridView is actually drawn; through the rest of the DataGridView, t...

DataGridView not showing Columns and Rows during runtime.

I have created a windows form with two groupbox (GB1 and GB2). GB2 is set to BringToFront and Hide. GB2 have Datagridview dgv docked in panel. GB1 has a button which invoke GB2 groupbox and fill 5 datagridview rows to perform 5 operations. But is not visible during runtime. It display all columns and rows after all 5 operations were done...

Showing Related Data In A DataGridView

If anyone's used Access recently, you might recall that when it displays data for a table that has a relationship, a little expandable node appears next to each row. Clicking on it shows all of the data from other tables related to that row in-line, underneath the row. I basically want to do that in .Net. Is this something I can do usin...

How to handel exceptions with a SqlDataSource

Hi I have a SqlDataSource that is supplying data to my GridView. Thats all i am using on my form, thus i have NO code behind at all. But somewhere i need a TRY CATCH block just in case my connection get's lost. What code must i place where? If i get a error i want my lblMessage Text to be "No connection". Any help would be great! Reg...

Adding Text to DataGridView Row Header

Does C# allow you to add a String to a RowHeader in a DataGridView? If so, how is it accomplished? I'm writing a Windows Form to displayed Customer Payment Data for the year so far. The ColumnHeaders display January, February, March, etc... and rather than have a blank column with DateTime.Now.Year I would like to put it in the RowHead...

DataGridViewComboBox - Display 'InActive' value in DataGridView

I have a DataGridView that contains a combo box (DataGridViewComboBoxColumn). This combo box is populated with a set of setup values. These setup values can be inactivated such that only active values are displayed in the combo box, however, existing entries(records) that use the inactive values must still be displayed. I can successf...

Viewing a database over Collections, ORM Lists...

I've been researching to find out how and what to use to get say the name's of the fields in a class, then to invoke that class and get the properties of the class, as in the field values. Give you an example, Say if I one to get one value from one record from one table, I would create an object of that class as in; DBTable<cars> cartab...

Get text from DataGridView selected cells (VB.NET)

I have a DataGridView with cells from a database file that contains data. Basically, I want to get the text from the selected cells in the DataGridView and display it in a textbox at the click of the button. The code for the button click event is: Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles But...

Can a combobox control hosted in DataGridView cell ask to end edit?

I have a combobox control hosted in a unbound DataGridView control. When the user selects an item (or types an entry and hits enter) I want it to apply the change and come out of edit mode. Is this possible? ...

DataTable.RejectChanges() and refreshing form textbox controls

Hi all, I'm working on a framework understanding in C#. I have a form with simple add/edit, save/cancel (and Exit) buttons on a form. The form has a grid, and a datatable bound to it (data table is a field on the form for scope purposes to remain for duration of the form). Also on the form are 3 simple textbox controls bound to respe...

[Solved] My printout doesn't look like the print preview when I use a Transform

I'm trying to print out a DataGridView using a PrintDocument. In my PrintPage event handler, I use the e.Graphics object to draw some grid lines, then print some text in the "cells" created -- as an aside, this really should have been done by Microsoft, but I digress. Anyway, this works just fine. The PrintDocument is tied to a PrintP...

data grid view

iam trying to create a master /detail datagridview on windows application. my master data grid view takes the data from the collection class. i want to create a detail datagrid view which is empty and data is entered by the User(optional) that is connected to master data grid view. for ex: if table 1 has rows like id name qty 1 cruit...

How do I change the tab order in a DataGridView?

My client wants that when tabbing through DataGridView cells the next current cell to be other than the default one. What's the best way to accomplish this? ...

Efficient way to create a class from a datagridview data.

Is there an alternative to load data from a datagridview into a class than to iterate through the datagridview? ...

Applying a DataGridViewComboBoxCell selection change immediately

When I change a value in a DataGridViewComboBoxCell the new value is not immediately applied until that cell leaves focus. Is there a way to have the new value applied immediately? ...

dataGridView in Visual C# Express won't resize on Windows Vista

I recently upgraded my main computer and am now working in windows Vista. My dev environment is Microsoft Visual C# 2008 Express Edition. I have a program that uses a DataGridView that I started developing on my old Win XP machine. Everything is now working fine on Vista except that the dataGridView won't resize when I resize the main...