Updating data in sql database in asp net
In this section, you will add a button that enables client data changes to be saved back to the database.The following section will show you how to test updating, inserting, and deleting the data.From Sql Data Reader, I populate the data table object. Then I use a gridview (columns and a calculated field) for user to update the records. In English, it returns all products that cost strictly less than fifteen bucks.The Sql Data Source and Access Data Source controls can define the value by which the query is filtered by using parameters, and these parameters can retrieve their values from a variety of sources, including: the querystring, session variables, other Web controls on the page, and so on.The columns and the calculated fields in the gridview are working fine.
These controls allow page developers to declaratively access and modify data without writing any code to perform the data access. ) In Part 2 of this article series we looked at how to access relational database data using the Access Data Source and Sql Data Source controls.
This article is one in a series of articles on ASP. However, in Part 2 we only looked at how to retrieve all of the records from a table, view, stored procedure, or ad-hoc SQL query.
Often, we only want to retrieve a subset of data based on various criteria.
Hello there, First up thanks to all the guys who have posted great solutions to common problems which helped me out many times in the past. I am using this third party HTML editor called obout HTML editor.
I have linked my page to a SQL server table named tbt Home containing to fields. While I can retreive the existing data in the database, I am not able to save any changes made using the update command. In this article we will introduce How can we Update data in Database in ASP. View source code Click Here using System; using System.