How to delete row in data table?

In ASP.Net, we use the data tables very frequently in our application. Sometimes we need to delete the row from the data table using some filter condition. Today I will show you a simple example to delete the row from your data table based on your condition.

We have a data table structure as showing below in the image:

Disable right click on web page and images

Sometimes it is required to prevent images on web pages being copied by another one. You can prevent the images by disabling the right click on your web page or by disabling image context menu on images only. Here I am going to share that how can you achieve this?

Disable right click on images

For disabling the image context menu on right click on images, just add the below event handler to the img or image tag as shown below

How to pass an array in a Query String?

Today I am going to give an example of passing an array in a query string. We have two pages one is Sender.aspx and second is Receiver.aspx. We will create the ArrayList in Sender.aspx and sent it to Receiver.aspx.

Creating data table programmatically in C#

Sometimes we need to create the data table programmatically in code behind. Here I am giving you a simple example of creating data table programmatically in C#.

Select random records from database (MySQL, Oracle, MS SQL)

Sometimes we need to select random records from a table in our database. For example, if you created online test application then every time we need to get the random questions from our questions table.

Today I will give you some examples for selecting random records in some popular databases.