I have a class like this: private class MyClass { [DisplayName("Foo/Bar")] public string FooBar { get; private set; } public string Baz { get; private set; } public bool Enabled; } When I create a List<MyClass> and assign it to the DataSource of a DataGridView, the grid shows me two columns, "Foo/Bar" and "Baz". This is ...
Or is there any better suited 3rd party control for this purpose? ...
No database involved here, I am creating my own datatable in code, and binding it to a textbox and a datagridview. When I change current record in the grid the textbox updates to the current value. But what's the best way to synchronise changes between the values in the textbox and the datagrid. If I change one then it doesn't change t...
Hello! I have a datagridview with a number of columns, one of these is a datetime column. I want to display the rows from most recent downwards. e.g. Today Yesterday The Day Before Yesterday etc. Is it possible to do this with the datagridview? The gridviews datasource is an xmldocument....... help appreciated greatly. Regards, ...
Hello! I have a datagridview with multiple columns and rows. The first column contains a checkbox. I want the user to be able to select multiple checkboxes and then perform an action. For example if they select checkboxes in rows 1 and 2, the data from other columns in rows 1 and 2 can be selected and passed into a messagebox. I know i ...
I need to populate a .net DataGridView from a collection physically (without data binding) in C#. That is, I should use foreach loops and iterate through the collection while creating a row for each object and a cell for each property. I have created the columns in design mode. Now I need to create rows dynamically. How to do that? ...
Hi everyone, I have some problems with the Datagridview, a Bindingsource for the datagrid with a datasource of a ADO.net Entity Framework ObjectEntity called categorie. During runtime, and setting the BindingSource Controls property 'DataSource', I get this error message: "[ConstraintException] This property cannot be set to a null ...
Hello! I have a datagridview and a combobox which get populated randomly with data. However, the new data is never displayed automatically. Someone mentioned the idea of invalidating the control to force the application to redraw it and thus iterate through the contents and populate the control with the new data. Does anyone know which ...
Hello! I have a datagridview made up of multiple rows and columns. I want to iterate through each row and check the contents of a specific column. If that column contains the word "NO", I want to change the forecolor of the entire row to Red. Here is an attempt at some code so far but It's certainly not working, starting to wonder If I ...
Hi, I am binding a datagridview to a list of objects. One of its columns is a checkbox which is supposed to represent a bool property, the rest are comboboxes and textboxes. Everything is fine, but the checkbox cell is appearing as blank ! Also, when I assign the columntype, each type appears twice in the list e.g. DataGridViewCheckB...
Following on a bit from this question, if I have this class: private class MyClass { [DisplayName("Foo/Bar")] public string FooBar { get; private set; } public decimal Baz { get; private set; } } And I want to display a List<MyClass> in a DataGridView (with autogenerated columns), what's the easiest way to make the Baz column di...
Hi, I have an XML as mentioned below: <Root> <Order ID = "order1"> </Order> <Order ID = "order2"> </Order> <Order ID = "order3"> </Order> </Root> I am using XML Serialization to reading and w...
I have a column Name "Quote Price" in a DataGridView winforms control. I can right align a column with no spaces such as "Unit" howerver I can't right align the column header with column Name called "Quote Price". I have attempted to use the TopRight, MiddleRight and bottomRight with no success. SelectedAdditionalCost.Columns["Quote Pri...
Hello. I have a winforms datagridview that seems to always have at least one row selected all the time. I'm not interested in being able to select the rows at all really, I just need the user to be able to select the checkbox in column 1. Any ideas why there is always at least 1 row selected? How can i prevent this? Will it affect the ab...
I am setting up a DataGridViewComboBoxColumn like this: var newColumn = new DataGridViewComboBoxColumn() { Name = "abc" }; newColumn.DataSource = new string[] { "a", "b", "c" }; dgv.Columns.Add(newColumn); This works: each row has a dropdown box in that column, populated with a, b, c. However, now I would like to trim the list f...
I have datagrid in my page and I want to change particular cell background color. I don't want to use itemrenderer. Is there any alternate ? ...
I have added a datasource and a datagridview in a windows forms application. I am able to view the data from my database on to the grid, however when i try to insert new row (by clicking on the empty row) or try to edit the existing data it doesn't reflect in my database. I remember we do not have to add any manual code to achieve such a...
i wanted to make a simple data entry application. So i did the following Created a new Windows Form Application Added a DataGridView Added a new DataSource (SQL Express Database, having a single table with 3 columns - id, name, number) id is integer and is the primary key As the designer automatically populates the DataSet, BindingSour...
I have the following environment: - DGV in a virtual mode - 20 columns and 300,000 rows - Selection mode is CellSelect I'm selecting small regions of cells (on the visible area) using the mouse and get a big delay (the selection is repainted only a second after I moved the mouse). Now the tricky part: I scroll to the very bottom of the...
Situation I have 3 Interface defined as follows. public interface IA { long ID { get; set; } } public interface IB : IA { string Name { get; set; } } public interface IC : IB { string City { get; set; } } Then I have a class called SampleClass that implements IC and in that class, I have a method called GetData() which returns List<...