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This CSASPNETGrid View project describes how to populate ASP.NET Grid View control and how to implement Insert, Edit, Update, Delete, Paging and Sorting functions in ASP. We have received many posts in forums about this popular web control, so this sample provides a complete sample for showing how to implement these basic functions of this control.Double click on the following event and generate the Event Handlers, after that, fill the generated methods with the sample code. Double click on the Click event of Link Button control to generate the event handler and fill the generated methods with the sample, these two button are used to add new items to the database file and cancel the insert operate. The Data In page is pretty much the same with Data From Data page, this web page get data from memory, instead of database file.So we only need to add a new method "Initialize Data Source" for generating the Data Table variable, then we need to modify the Bind Grid View method to bind new the Data Table with Grid View.This sample contains a Sql Server database file, if you do not install Sql Server, The Data In page can also works fine.More information about Sql Server 2008 R2 Express and download links can be found here: Please follow these demonstration steps below. Expand the CSASPNETGrid View web application and press Ctrl F5 to show the Data From
In order to do so select "Edit Columns..." from the smart tag of the Grid View. Select Company Name and Contact Name fields and click on "Covert this field into a Template Field" link.
So what you need to do is store the data source (maybe in Session) and only bind rebind the data when you absolutely need to (Like during the Is Not Post Back) Do you understand?
Please post the code for your Page_Load method and the that handles your Update (your C# code) so we can have a better look at what's going on. Please give some references and/or details of how to. This wipes out the data provided by the user during editing (editing happens after the page load).
Enter the database details as per your setup and click on OK.
On the next step select Customer ID, Company Name, Contact Name and Country columns (Figure 2).