Programming and Software Interview Questions and Answers

Latest Addition: Programming Articles & Source Codes!

|<<12 3 4 5 6 7 8 9 10 ...>>|

source code: Validate uploaded file extension

Validate uploaded file extension

Demo & Full Guide

Validate uploaded file extension

file upload validation in asp.net c#

Method 1 - fileupload required validation in asp.net using required field validator control Step 1 - Create a new asp.net website using Visual Studio 2019 or any other version Step 2 - Add a new Webform C# into the website we have create in previous step.

Demo & Full Guide

file upload validation fileupload required validation

SQL Joins

SQL joins are used to get rows from one or more than two tables.Learn how to use SQL joins with syntax, visual illustrations, and examples. SQL JOINS are used to retrieve data from multiple tables. A SQL JOIN is performed whenever two or more tables are joined in a SQL statement.

Demo & Full Guide

tech on the net sql sql joins sql joining tables together syntax parameters arguments example

ASP.NET without runat=server tag with asp.net C#

Demo & Full Guide

ASP.NET without runat=“server” tag

Computing hash codes in C# with code snippet

All in all, computing hash codes in C# is useful across a number of scenarios.

Demo & Full Guide

computing hash codes in C# hash codes in C#

Open new tab on LinkButton Click using C# and VB.Net in ASP.Net

In this example we have write javascript window open method with url we want to open. The codes in response method we write javascript window open codes

Demo & Full Guide

Open new tab on LinkButton Click