I know this is a basic function of the DataGridView, but for some reason, I just can't get it to work. I just want the DataGridView on my Windows form to submit any changes made to it to the database when the user clicks the "Save" button. I populate the DataGridView according to a function triggered by a user selection in a DropDownLi...
Hi , I construct a data grid by adding columns and rows. DataGridViewButtonColumn dgtxc = new DataGridViewButtonColumn(); dgtxc.HeaderText = " stackoverflow"; dataGridView.Columns.Add(dgtxc); After this i read the grid and if "something" then i want to change the background color of the Button in the grid . I do the following but only...
I am having 2 datatables. One is having the actual value of that table selected by the user and the next is having the aggregate value for that table i.e any grand total or avg. I want to display this as the footer in C# datagridview. How can I do that??? In asp.net we have RowDataBound event like that similar something is there in C# al...
i click double dataGridView's any row. Not get Data clicked row data: private void gwStudies_CellDoubleClick(object sender, DataGridViewCellEventArgs e) { GoruntuyuAc(); } private void GoruntuyuAc() { olduid = ""; DataRowView ro = (gwStudies.SelectedRows[0].DataBoundItem a...
I don't think it is possible but I'm still asking the question... Basicly, I would like to display the DataGridView column horizontally and the row to be displayed vertically. Yes, I know there some third party components that would allow me to do this but I would like to use my custom DataGridViewColumn in my grid. Regards, Simon ...
I am building a WinForms application with a few custom business objects. I bind a List of a single type of object to a DataGridView with BindingList and implement IEditableObject on my object, but when I attempt to edit the values in the DataGridView I get the following exception: The following exception occurred in the DataGridView: ...
Right, starting to go crazy here. I have the following code: var query = (from c in db.Descendants("Customer") select c.Elements()); dgvEditCusts.DataSource = query.ToList(); In this, db relates to an XDocument.Load call. How can I get the data into the DataGridView? Just thought I should ...
I am new to C#. I have a datagridview with 3 columns. AmountPaid/TotalDue/BalanceDue. I am simply trying to subtract the value of AmountPaid column/cells from TotalDue column/cells and place the result in BalanceDue column/cells. Any code help or links would be appreciated. Thanks Oceantrain ...
// From my form BindingSource bs = new BindingSource(); private void fillStudentGrid() { bs.DataSource = Admin.GetStudents(); dgViewStudents.DataSource = bs; } // From the Admin class public static List<Student> GetStudents() { DojoDBDataContext conn = new DojoDBDataContext(); var query = (from s in conn....
Hello, I create a custom control inherited from Windows.System.Forms.Controls. This is my code of this control: public partial class MonthEventComponent : Control { private Color couleur; private Label labelEvenement; public MonthEventComponent(Color couleur_c, String labelEvenement_c ) { ...
I'd like to use a DataGridViewRowCollection in a LINQ expression using extension methods and lambda expressions. Unfortunately, the extension methods are for types IEnumerable, which DataGridViewRowCollection doesn't implement. The funny thing is, I can use LINQ here with the SQL-like syntax: IEnumerable lRows = (from DataGridViewRow ro...
// Getting data from this Admin class: public static IQueryable<Student> GetStudents() { DojoDBDataContext conn = new DojoDBDataContext(); var query = from s in conn.Students join b in conn.Belts on s.BeltID equals b.ID orderby s.LastName ascending select s; return query; } // And on my fo...
Hi, In a DataGridView, it is possible to set an individual DataGridViewCell like this: dataGridView.Item(columnIndex, rowIndex) = New DataGridViewTextBoxCell. However, is the new DataGridViewCell is set before his owning column become visible, it seems that the individual cell will be replaced (or marked?) by the column default cell. ...
It appears that the only way to capture the keypress events within a cell of a DataGridView control in order to validate user input as they type, is to use the DataGridView controls OnEditControlShowing event, hook up a method to the edit control's (e.Control) keypress event and do some validation. My problem is that I've built a heap o...
Hi all, I'm using a DataGridView and I bind a List to the DataSource. I already have the right columns and I map exactly the fields. What I'm trying to do is handling a sort of RowAdded or RowDataBound (like in aspx GridView) event. The only event that I found is RowsAdded but no matter how many items I have, it is fired only 4 times t...
Hmmm - I'm using BindingSource.Find to return to the user's position after refreshing a DataGridView. I use BindingSource.Find and a RowID as the DataColumn I'm searching on. Unfortunately, Oracle can return two RowIDs that differ only in their case. BindingSource.Find returns the first match regardless of case. Looking at the MSDN ...
On a Windows form I have an unbound datagridview with 1 user-editable column. A user clicked into one of those cells, changed his mind and closed the form using the "x". Then he tried to bring up the form again. The following error came up: "System.InvalidOperationException: Operation did not succeed because the program cannot commit or...
I am new to C#. I have a datagridview with 9 columns. I am simply trying take the value in column 5 and subtract it from column 6. Then display the result in column 9. It seems simple enough.I know it's done in excel all the time. But I just cannot figure this out. Do I need to create a new class with a method called calculate columns? o...
Is possible to encode the data that a column in a datagridview? The data is of type string. ...
Okay I do not even know where to begin when it comes to this I am continuing from this question: http://stackoverflow.com/questions/2664029/linq-to-sql-statement-issue Where I searched multiple columns in a table and returned my values in a datagrid, Ive done basic formatting on the grid but am unable to decipher how I would go about ge...