Although, there are many ways to create a DataTable object, in this article I will explain Creating a DataTable from a DataReader object. To begin with, first I will explain the DataReader object in brief. DataReader in ADO.NET Basically, a DataReader object in ADO.NET represents the connected approach of data access. A DataReader object provides read-only and forward-only …
Image Contrast Enhancement using Histogram Equalization
In this article on Image Contrast Enhancement using Histogram Equalization, I will explain the significance of Histogram Equalization. Basically, Histogram Equalization is an image processing technique. A histogram represents the intensity distribution of an image graphically. Therefore, it contains the quantified value of the number of pixels representing each intensity value. Accordingly, Histogram Equalization (HE) broadens the …
JavaScript Code for Event Handling
The following section demonstrates a JavaScript Code for Event Handling. Before discussing the code, let us understand, how the event handling is done in JavaScript. Event Handling in JavaScript As a result of the user’s actions, a variety of events may occur on a web page. While, it is necessary that some action should be done in …
Deleting a Record using DataGrid Control in ASP.NET
The following example shows Deleting a Record using DataGrid Control in ASP.NET. To begin with, first, understand what is a DataGrid control and how to use it in a Web Form. For this purpose, you can go through following articles to get an understanding of the DataGrid control. CRUD Operations with DataGrid in ASP.NET Creating Columns in a …
Transfer Learning and its Applications
In this post on Transfer Learning and its Applications, I will explain the concept and applications of Transfer Learning. To begin with, Transfer Learning is a type of Machine Learning that doesn’t build the model from scratch. Understanding the Use of Transfer Learning and its Applications in various Domains Basically, Transfer Learning is a technique …
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 …
Insert a Record Using ItemCommand Event in DataGrid
This article demonstrates how to Insert a Record Using ItemCommand Event in DataGrid. Before proceeding further, you can go through these articles for an understanding of the DataGrid control. CRUD Operations with DataGrid in ASP.NET Creating Columns in a DataGrid Control Since we are using the same database table Items in this example, there are four fields …
CRUD Operations with DataGrid in ASP.NET
To begin with, the CRUD operations stand for Create, Read, Update, and Delete. As can be seen, the CRUD operations are essential in most web applications that maintain data. Today I will explain how to perform CRUD Operations with DataGrid in ASP.NET. Basically, DataGrid is a data-bound control in ASP.NET. Therefore, it can display the data from a data …
Creating Columns in a DataGrid Control
The following example shows Creating Columns in a DataGrid Control. Before going through this example, get an overview of DataGrid control by reading this article. As I have noted earlier, our SQL Server database has a table called Items with fields – item_id, item_name, price, quantity. Therefore, we create four TemplateColumns, one for each field. In …
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 …