How to increase the width of a scroll bar for DataGridView?
Is there way to increase the width of the scroll bars for a DataGridView ? ...
datagridview
How to change visibility of first row in datagridview
Hello, I am using datagridview and its datasource is a BindingList. But when I try to change the visibility of first row, I am getting InvalidOperationException. How can I change first row's visible value? Thanks in advance. ...
How to bind DataGridView with List<T> or BindingList<T>
I've done it one thousand of times and it works but now .... not :( Am I doing something wrong here because nothing is shown in grid ? namespace theGridIsNotWorking { using System; using System.Collections.Generic; using System.Windows.Forms; public partial class Form1 : Form { public Form1() { InitializeComponent(); ...
DataGridView Copy Paste (with style, backgorund color, ...)
I have a C# Windows Form Application with a DataGridView. Copy & Paste (ctrl-c after selecting the data in the datagrid and ctrl-v in Excel) is working almost fine. The problem is that the style (such as background color) is not being pasted in Excel, only the cell values. Do I need to change a property somewhere on my datagridview or...
Auto size row in datagrid view
hai sir , how to Increase height of the row in datagridview by automaticaly, when the text (character) should wrap in the same row.Then the row height should be increase automaticaly. for example ---------- this is column width column1 ---------- abcdefghijklmn ---------- here "klmn" come next line. But we manualy increase the...
How to disable ellipsis of cell texts in a WindowsForms DataGridView?
I have a DataGridView in readonly mode in a .NET 3.5 (Visual Studio 2008) WinForms application. The cells' width is very small. Some of the cells contain a short number. Now, even with a small font, sometimes the number is shown with an ellipsis. For example "8..." instead of "88". Is there a way to let the text flow over the next cell...
Why can't I edit the values in my DataGridView, even though its not set to ReadOnly?
I have a DataGridView, which is not set to ReadOnly. None of its columns are set to ReadOnly, and the object it is bound to is not set to ReadOnly. Yet, I can't edit the DataGridView items? The .DataSource property of the DataGridView is set to a ReadOnlyCollection<>, but I can programmatically alter the elements, just not from the UI...
C# grid DataSource polymorphism
I have a grid, and I'm setting the DataSource to a List<IListItem>. What I want is to have the list bind to the underlying type, and disply those properties, rather than the properties defined in IListItem. So: public interface IListItem { string Id; string Name; } public class User : IListItem { string Id { get; set; }; ...
re-order rows in a DataGrid using AJAX.NET
Lemme preface this by saying I'm relatively new to AJAX.NET, but I've done some classic AJAX, so I am familiar with how it's supposed to work. Anyway, I have a control that inherits from DataGrid which I've put into an update panel. The rows in the grid are sorted based on the status of the item they contain. You can change the status...
Datagridview causing IndexOutOfRangeException when clicked upon
I have a datagridview which we will call dataGridViewExample. My object (the uncommon datatypes is because my database is SQLite): class MyObject { public Int64 Vnr { get; set; } public string Name { get; set; } public Single Price { get; set; } public int Amount { get; set; } } Here is the relevant code: //This form...
Triggering a checkbox value changed event in DataGridView C#.NET
Hi I have a grid view that has a check box cloumn, and I want to trigger a drawing even as soon as the value of the cell is toggled. I tried the ValueChaged and the CellEndEdit and BeginEdit, and chose the selection mode as CellSelect. As for the The first 2 events, the event was triggered upon the finishing of the edit mode, like movin...
UpdateCellValue() in a Datagridview
I'm using the following code to update a DataGridView's cell value. This is called inside the 'CellDoubleClick' event handler for the DataGridView. The problem is the cell only updates after I click onto another cell. Is there a better way of doing this? string value = ""; if (_dataGrid1.CurrentRow.Cells[e.ColumnIndex].Value != null) ...
How do I handle updating a DataGridView when the bound DataSource goes to empty?
I have a DataGridView to which I've set a list of objects to the DataSource. (I'm in VS 2005 using VB.) I created the DataGridView by creating a Data Source of type AssetIdentifier and dragging that Data Source onto my form. I want to update the DataGridView when the selection in either a combo box or another DataGridView changes. (B...
DataGridViewImageColumn red x
I've created a DataGridView and added a DataGridViewImageColumn (using the Designer). The DataGridView has "AllowUserToAddRows = true" so a blank row is displayed for the user to enter a new row in. In this blank row the DataGridViewImageColumn displays a red x. I want to always display the same image in the column regardless of whether...
How do I use a DataGridView in .NET 3.5?
I am trying to build an employee data entry form that looks like this: Employee Form ----------------------------------------------- --------------------------------------- | | | Name | | | | Picture | Department | | | | | Position | | | | ...
DataGridView, DataTable, SqlDataAdapter and SqlCommandBuilder - disable deletes
I have a WinForm that has a DataGridView table. It is bound to a DataTable in conjunction with a SqlDataAdapter and SqlCommandBuilder. What is the best way (easy and easy to manage) of disabling Deletes but allowing Selects, Updates, Inserts? Is there a one line property I can set on the grid? That is how I would prefer to do it. ...
DataGridView read only cells
I have a binded DataGridView that contains a large amount of data. The problem is that some cells has to be ReadOnly and also when the user navigates with TAB or ENTER between cells, the ReadOnly cells should be bypassed. What's the best way of making some specific cells ReadOnly imediatly after loadging? Looping through cells after I ...
How do you highlight the row and/or column labels of a datagridview on mouseover of any cell (in c#)?
With a DataGridView control on a Windows form, when you move the mouse over a row label (or column label) it's (the label cell) background changes to a shade of blue (or other colour depending on your Windows colour scheme no doubt). I would like to produce that effect when moving the mouse over any cell in the grid - i.e. highlight the...
How to update only one row in a DataGridView?
I have a DataGridView that's populated from a DataTableAdatper, as in this tutorial. I guess since it's an ODBC MySQL connection, it's not generating DBDirectMethods for me. My question is how do I update a specific row in the DB after the user has edited it in the grid? Do I need to specify a DeleteCommand in my adapter? When would it...
DataGridView_CellValidating
I have a datagridview that I would like to validate using the cellvalidating event. however as the user doesnt navigate between cells or rows in the datagridview. just enters data in a cell in the datagridview and then clicks a save button the cellvalidating event doesnt get fired. any help would be greatly appreciated. ...