Here, in this tutorial, I’ll explain what SQL injection is and how to prevent it from SQL hackers with simple login test examples in asp.net, c#, vb.net. You can also check out my other tutorials where I’d explained about SQL defination and how to get connection string in asp.net, insert update and delete on asp.net gridview Also, more amazing tutorials on GridView, Asp.net, SQL Server here.
In this tutorial, I’ll explain the difference between DataSet, DataReader, DataAdapter, DataView in .net c# as well as vb.net with examples. Just for refreshing your memory, in my previous tutorials, I’d explained the difference between dataset and datareader, difference between dataset and datatable, difference between executereader executenonquery and executescalar, and difference between String and StringBuilder, and OOP concepts with examples along with other similar tutorials. You can definitely check out those too.
In in this tutorial, I’ll explain as to how you can pass multiple parameters in asp.net querystring url and get parameter values on page load event of another page in asp.net using c# as well as vb.net. I would also demonstrate an example code and step by step guide. Just for refreshing, you can also check out my previous tutorials, in which I had explained how to pass & (ampersand) as a querystring parameter value, how to get querystring paramters value using jquery, and exporting gridview data to word excel text and pdf. I have also posted tutorials on GridView, Asp.net.
OOPS Concepts in C# Let me introduce you to OOPS Concepts in C#. OOP stands for Object Oriented Programming. It is a programming methodology that uses Objects to build a system or web applications using programming languages like C#, Vb.net, etc. Here, Objects plays a very important role because it hides the implementation details and exposes only the needed functionalities and related stuff required to adopt it. We can access class properties and methods by creating a class object that I’ll explain below.
In this tutorial, I’m going to post common and frequently asked technical interview questions in .net sql oops with answers for fresher as well as experience developers. I also wrote many other tutorials on Interview Questions, Asp.net, SQL Server, OOP Concepts as well as Top 10 OOPS Concepts in details. I recommend you to read those tutorials, I’m sure, you’ll enjoy it! It’s very difficult to predict what interviewer will ask during interview, right? . . I think so, but I can assure that following are the best list of possible technical interview questions that I’d faced during my job interviews and also I asked as an interviewer in my professional carrier.
In my previous tutorials, I’d explained about ExecuteReader, ExecuteScalar and Difference between ExecuteReader, ExecuteNonQuery, ExecuteScalar and other more cracking tutorials on Asp.net here. Now here in this tutorial, I’ll explain Aso.net ExecuteNonQuery function in detail with example code.