What to do to speed up datagridview population?

After the data is bound, you may re-enable it. Generally turning auto-sizing off and double buffering help to speed up DataGridView population. Check whether the DGV double buffering is turned on properly:
Moreover, which is the fastest way to populate a datagridview?
The fastest way to populate an instance of the DataGridView control is to use data binding through its DataSource property. In the simplest case you can prepare your data by putting them into an ADO.NET DataTable and display it very fast using a statement like this:
Additionally, why is the datagridview so slow to load? DataGridView loads slow if you use a dataset or table as it's datasource. You should use a datasourceview and it will be much faster. Manipulating the datagridview in any way graphically is super slow. Turning off events and layout doesn't help with this speed problem.
In addition, why does the datagridview control consume so much memory?
When working with large amounts of data, the DataGridView control can consume a large amount of memory in overhead, unless you use it carefully. On clients with limited memory, you can avoid some of this overhead by avoiding features that have a high memory cost.
Likewise, how to improve the performance of datagridview?
If you do not need 2-way data-binding or some features provided by BindingSource (filtering, etc.), you may consider adding rows at one go with the DataGridView.Rows.AddRange () method. The link to the source article with the sample: http://10tec.com/articles/why-datagridview-slow.aspx Make sure u don't auto-size columns, it improves performance.

20 Similar Question Found

How to double click datagridview in vb.net?

If I use DataGridView.CurrentRow then if a row is selected and user clicked anywhere on the grid the current row will show the selected and not where the user clicked (which in this case would be not on a row and I would want to ignore it). Try the CellMouseDoubleClick event... This will only fire if the user is actually over a cell in the grid.

Why are some rows higher than others in datagridview?

I've also noticed that when AutoResizeMode is set to DisplayedCells and I display 200 rows of test data, the heights of rows 182-193 seem to have appropriate heights while the others are smaller than they should be, Any suggestions? Also, can anyone explain why DataGridView row sizing is affected by which rows are displayed?

How to set default datagridview row height?

I am using a DataGridview while i am setting the height from the code it is not working can u please say More Descriptive. I confused it with old DataGrid control

How to check column number in datagridview?

I have one column and many rows in my datagridview. Me.data.DefaultCellStyle.WrapMode = DataGridViewTriState.True data.AutoResizeRows (DtaGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders) Set property AutoSizeColumnMode of datagridview to AllCells and check it.

How to refresh datagridview when updating data source?

I've got something like this (and it works), but setting the DataGridView.DataSource to null doesn't seem like the right way.

How to sort data by columns in datagridview?

You can also sort the data programmatically by any column, or by multiple columns. Describes the options for sorting data in the control. Describes how to enable users to sort by columns that are not sortable by default.

Can a datagridview be used to sort multiple columns?

The provided DataGridView control doesn't support multi-column sorting by default. Fortunately, others have already done a lot of the work to implement this for you. Here are a few samples:

Which is an example of a datagridview in c #?

DataGridView Examples in C#. DataGridView allow us to show data from SQL Server. These tutorials contains a specific examples for DataGridViews. The Windows Forms DataGrid control provides a user interface to ADO.NET datasets, displays ADO.NET tabular data in a scrollable grid, and allows for updates to the data source.

How to display data in windows forms datagridview?

The Item [String, Int32] indexer also provides direct access to cells. As an alternative to populating the control manually, you can set the DataSource and DataMember properties to bind the DataGridView to a data source and automatically populate it with data. For more information, see Displaying Data in the Windows Forms DataGridView Control.

How to use datagridview control in visual studio?

This tutorial is a basic introduction of how to write a simple data driven application using Visual Studio 2008 wizards without writing a single line of code. In my next articles, I will talk about more detailed features of the DataGridView control.

Which is better listview or datagridview control?

The DataGridView control is highly configurable and extensible, and it provides many properties, methods, and events to customize its appearance and behavior. When you want your Windows Forms application to display tabular data, consider using the DataGridView control before others (for example, DataGrid).

How to select a complete datagridview row?

I have a dataGridView and I need that when the user clicks on any cell the whole row that contains this cell is selected too. (it has multiselect disbaled) I tried getting the currentRowIndex like this However, I am not sure how to use the index in order to select that row.

How to add a row to the datagridview?

The DataGridView has no columns. This operation would add a frozen row after unfrozen rows. The row returned by the RowTemplate property has more cells than there are columns in the control. The Add () overload adds rows that are based on the RowTemplate of the DataGridView. The new row is shared, if possible.

Can a row be added to a datagridview?

In DataGridView Add Rows, rows can be added to a DataGridView. In c#, Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound.

How to populate a datagridview using properties window?

1. Using Properties Window. 2. Using Code. The below Form consists of a DataGridView control. In order to populate the DataGridView, I have created a dynamic DataTable with some sample data. The following picture displays the DataGridView populated with records which also has a Blank (Empty) row as last row.

How are column headers styled in datagridview?

If visual styles are enabled, the row and column headers (except for the TopLeftHeaderCell) are automatically styled by the current theme, overriding any styles specified by these properties.

How to update database from datagridview codeproject?

Then as you implement code you've found in the article, if you run into problems post your code and error messages and a description of what your program is doing and what you want it to do. Then we can help you. Hope this gives you a good place to start. Please Sign up or sign in to vote.

How to use enum class column in datagridview?

The Enum Class Column on a DataGridView that Draws Data from Multiple Sources using DataTables. When populating your DataGridView using a DataTable, the secret to a successful enum class based column is to map that enum class to a DataTable of its own, and treat it as any other secondary datasource.

What can i do with the datagridview control?

You can use the DataGridView control to show read-only views of a small amount of data, or you can scale it to show editable views of very large sets of data. You can extend the DataGridView control in a number of ways to build custom behaviors into your applications.

What are the properties of the datagridview class?

The DataGridView class allows customization of cells, rows, columns, and borders through the use of properties such as DefaultCellStyle, ColumnHeadersDefaultCellStyle, CellBorderStyle, and GridColor. For more information, see Basic Formatting and Styling in the Windows Forms DataGridView Control.