Hi, I'm learning VB.NET. I've a problem with DataGridView component when trying to set the value of the CurrentCell. What i'm trying to do is : I've a DataGridView With values. I want to make a button in my forms and when clicking on it I want to change the selection from the current row to the next. To explain more, by clicking m...
I have a checkbox column in a DataGridView and I want to validate whether the user can check a checkbox by counting the number of checkboxes they click and deciding then to disable checking. Can someone guide me how to do this effectively?? ...
I have a DataGridView that has a ComboBox column. I populate this column's list with items of a type Field: DataGridViewComboBoxColumn fieldsColumn = argumentsDataGridView.Columns["field"] as DataGridViewComboBoxColumn; foreach (Field field in SessionData.Fields) fieldsColumn.Items.Add(field); f...
I have a DataGridView that is displaying a List of objects (not DataSet). Is there an easy way to set a filter, so the DGV will only display rows that match the filter? IList<T> log = ...; dgv.DataSource = log; ...
I bind some collection to a DataGridView. Collection contains KeyValuePair objects where key is a string and value is an object of my class Field. DataGridView displays two columns - one containing the key and the other one containing the value. The value (Field object) is displayed with its ToString() method. But I would like it to be d...
Hi there. I have a DGV in VB.Net 2008 connected to an Access DB table. The DGV is not Read Only, but is full of read-only columns except for one, which contains a combo box. The combo box allows the user to select an outcome for that particular row, and then the program copies in a pre calculated value into the "Profit" column depending...
I am writing this in C# using .NET 3.5. I have a System.Data.DataSet object with a single DataTable that uses the following schema: Id : uint AddressA: string AddressB: string Bytes : uint When I run my application, let's say the DataTable gets filled with the following: 1 192.168.0.1 192.168.0.10 300 2 192.168.0....
I have a problem that I am not sure how to solve. I have a DataGridView (EditMode = EditProgrammatically). This grid has one checkbox column and one or more textbox columns. The functionality is as following (or should be at least): When you click on a checkbox, the checkbox should be toggled When a row (or many rows) are selected, and...
I have a windows form. It contains several datagridviews on it. At some point, the user can press a button which updates the datagridviews. When they do, they can usually sit and watch the datagridview redraw itself, one row at a time. I'd like for the control to not paint until its "done", that is, I'd like a way to tell the control...
I have a DataGridView that I'm binding to a DataTable. The DataTable is a all numeric values. There is a requirement that every n rows in the DataGridView has text in it, rather than the numeric values (to visually separate sections for the user). I am happy to put this text data in the DataTable or in the DataGridView after binding, ...
I have a datagridview that is linked to a three columns in the database, and it's only displaying them (no editing). When I run the program in debug, and exit, when I return to the form in Visual Studio, it has my three columns, plus all the columns in the table it's linked to. If I don't remove these, the next time I run the program, th...
I want to cache a DataGridView row between 'refreshes' i.e. between a Rows.Clear() and a Columns.Clear(). However it seems that calling the Clear() methods does not unbind the data from the DataGridView instance, An example, public partial class Form1 : Form { public Form1() { InitializeComponent(); ...
I am working on a project in C# at the moment which is quite simple. I have a status box, two buttons and a dataGridView. When the Form loads the dataGridView is filled correctly. What I would like to do is then update that table every 45 seconds to reflect any changes in the database. I am looking for suggestions on a technique to ...
I have a DataGridView, whose DataSource I am setting to a List<T>. T in this case is a class with a property called Foo, whose header I want to show as Foo bar. If it was a datatable, I could just change the query: select Foo as [Foo bar] from Baz But with something like this, where I'm setting the DataGridView's DataSource to a List...
Hi, I am working with a DataGridView and have a column of type DataGridViewComboBox and I have stumbled across a problem. Basically, depending on the value of the cell, i would like to set the .Items to a certain set of strings, but when the value is changed, i would like to change the .Items list. But with this, I will occasionally rem...
Hi all I'm working with a DataGridView (Windows Forms) with MultiSelect enabled which is placed in a User Control. I'd like to update all selected rows from outside the User Control by calling a public method that implements the following code: foreach(DataGridViewRow dr in dataGridView.SelectedRows) { MyBusiness business = (MyBusi...
Hey Stackers, I have two DataGridView's bound to an underlying DataSource through BindingSources and TableAdapaters. I have two models; strings and tables. Tables -> [id, handle, description] Strings -> [id, handle, table_id] So there's a many-to-one between Tables and Strings. What's the easiest way to make the selection of the "t...
I'm implementing drag and drop functionality between two datagridviews. This works as intended with one exception: it is possible to drag and drop within the same datagridview. This results in duplicated rows. I want to limit the functionality so that I can only drag from one datagridview to another. Does anyone know how this can be achi...
I'm using a DataGridView to accept certain values at runtime. I've a hidden foreign key column in the DataGridView which should contain a default value while the other columns in the DataGridView are being updated using the Update() method of the OleDbAdapter class. ...
I have a winForm with a dataGridView containging members of a team. These members each have an assigned role and other properties that are listed in a column in the grid but for the purpose of what I want to achieve they are irrelevant. I've also added a bindingNavigator with add, edit and delete buttons. What I would like to implement ...