This walkthrough illustrates how to create a Web Forms page that reads and writes data to a database using SQL statements. Close() End Sub // C# private void ddl Category ID_Selected Index Changed(object sender, System.
For the walkthrough, you will work with the Categories table of the SQL Server Northwind database. Event Args e) Finally, you want to add code that will update the database with changes from the record displayed in the page.
The Contoso University sample web application demonstrates how to create ASP.Since we ve already discussed the inserting, editing, and deleting capabilities of the Grid View, Details View, and Form View controls, this tutorial will focus on configuring the Sql Data Source control to support these operations.The Web Forms data-binding architecture allows you to bind control properties to a data source, making it easy to display data on the page. To enhance the Web Forms page you have created, you might want to explore some of the following ideas: Walkthrough: Creating Read-Only Data Access in a Web Forms Page | Introduction to ADO. I am able to access the database and insert new customer but it doesn't work when i try to update any record. thank you so much this is all my code You have two if statements that check if the query string is empty or null but not one that checks if it isn't.Therefore, if the query string["ID"] is set to some value nothing will happen.