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Bound mode is suitable for managing data using automatic interaction with the data store. One very common use of the Data Grid View control is binding to a table in a database. Updating is more complex than displaying data, and because the majority of Web Forms pages do not require that data be written back to the source, Web Forms data binding keeps page sizes and page processing to a minimum by not including update code.Of course, there are times when you do want to create a Web Forms page that updates data. It shows how you can use a Data Grid control to display data, allow users to edit it, and then send the changed data back to the source.
It only gets updated after i manually end my windows app and rebuild it.
Unbound mode is suitable for displaying relatively small amounts of data that you manage programmatically. Click Dim connection String As String = "Data Source=.; Initial Catalog=pubs; Integrated Security=True" Dim sql As String = "SELECT * FROM Stores" Dim connection As New Sql Connection(connection String) connection.
Virtual mode gives you a higher degree of control by allowing you to wait until a cell is actually being displayed to provide the value it will contain. Sql Client Public Class Form1 Dim s Command As Sql Command Dim s Adapter As Sql Data Adapter Dim s Builder As Sql Command Builder Dim s Ds As Data Set Dim s Table As Data Table Private Sub load_btn_Click(By Val sender As System. Open() s Command = New Sql Command(sql, connection) s Adapter = New Sql Data Adapter(s Command) s Builder = New Sql Command Builder(s Adapter) s Ds = New Data Set() s Adapter.
The Data Grid View control can display rows of data from a data source.
The Data Grid View can display data in Bound mode, unbound mode and Virtual mode .