Category Archives: ASP.Net

MVC C# Session Time Out Popup

Challenge : Develop an application which will alert the user the session is going to timeout in 30 seconds and allow the user to extend the session. If there is no activity session will be logged off. Features: ASP .net MVC Can be integrated with any application Minimal coding Only applies if the user is… Read More »

SB Admin 2 Bootstrap Theme – Visual Studio 2017

I have updated the SB Admin 2 theme to match with Visual Studio 2017 . I have also updated all the nuget packages related. Features SB Admin 2 Bootstrap admin theme, dashboard template, or webapp UI starter. The theme features a variety of custom jQuery plugins to add extended functionality past the built in Bootstrap… Read More »

SignalR – Real-time web communication between Client and Server Easy c# [Part 1 of 2]

What is SignalR ? ASP.NET SignalR is a new library for ASP.NET developers that makes developing real-time web functionality easy. SignalR allows bi-directional communication between server and client. Servers can now push content to connected clients instantly as it becomes available. SignalR supports Web Sockets, and falls back to other compatible techniques for older browsers.… Read More »

SignalR & Oracle DB Change Notification [Part 2 of 2]

What is Oracle change Notification ? The Oracle Data Provider for .NET provides a notification framework that supports Database Change Notification in the database server. Database Change Notification enables applications to receive notifications from a registered callback routine when there is a change in a query result set, schema objects, or the state of the… Read More »

Error Could not load file or assembly ‘System.Net. ASP.NET MVC C#

Error : Could not load file or assembly ‘System.Net.Http.Formatting, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35’ or one of its dependencies. The system cannot find the file specified. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.… Read More »

Rotativa :: HTTP Error 401.2 – Unauthorized You are not authorized to view this page

Scenario Using Rotativa as PDF convertor in ASP.NET MVC C# with Active directory login authentication Problem HTTP Error 401.2 – Unauthorized You are not authorized to view this page due to invalid authentication headers Cause : If you use Rotativa.ActionAsPDF it will not pass the header values related to authentication to the new page. So… Read More »

Error installing NuGET Packages Visual Studio 2013 – already has a dependency defined for xxxx

When you install new nuget packages you receive error as below.     In order to resolve this follow this steps.   Close Visual Studio Download Latest version of NuGet Package Manage and Install https://marketplace.visualstudio.com/items?itemName=NuGetTeam.NuGetPackageManagerforVisualStudio2013 Step 3: After installation open the Visual Studio and try to install NuGet Package!!!    

Install Oracle DB Express and Connect to ASP.Net MVC C# Using Dapper and ODP.net

Tools Used : Oracle DB Express Toad for Oracle ( To explore database– You can also user Oracle Developer)  Visual Studio .net 2013 This tutorial covers following points. Install Oracle DB Express.  ==< Link http://www.oracle.com/technetwork/database/database-technologies/express-edition/downloads/index.html Create a user  — Refer my post => Create user and Schema Create a Schema — Refer my post => Create user… Read More »