Edit a Record Using DataGrid Control in ASP.NET

The following example demonstrates how to Edit a Record Using DataGrid Control in ASP.NET. Before proceeding further, you can go through these examples on DataGrid control that I have posted earlier. CRUD Operations with DataGrid in ASP.NET Creating Columns in a DataGrid Control Insert a Record Using ItemCommand Event in DataGrid Meanwhile, we use a TemplateColumn as before …

Examples of OpenCV Library in Python

This article provides an introduction to OpenCV Library in Python and demonstrates some examples of using this library. In fact, OpenCV (Open Source Computer Vision) is a cross-platform library. Also, it works on both images and videos. In the case of the Python programming language, the OpenCV library is available with the cv2 package. The cv2 package contains methods …

Callback Functions in JavaScript

Basically, Callback Functions in JavaScript provide us a way to pass a function as a parameter to another function. In fact, callback functions are very useful in performing asynchronous operations and registering an event listener. Examples of Callback Functions in JavaScript As an illustration, the following is an example of a simple callback function that …