In this article, We will implement CRUD (Create, Read, update and delete) operations with Knockout.js, ASP.NET Web API, Entity Framework 5.0 Database First Approach. For Add or Edit operation, A modal dialog having WYSIWYG Html editor is used. User can enter information and submit it. It should look like the image below:

Cheat sheet (a concise set of notes) serve as reference tool having simple, brief instructions that offers fast help. If you are a developer working with different programming languages or different versions of languages then you know the logic but might face problem of syntax because of language overflow or out of practice. In this case Cheat sheet works as memory refreshing and productive tool.

This article explains how to use the Microsoft Translator API to translate text that was input by the user. Microsoft Translation Service is an online service which has support for AJAX, HTTP or SOAP and Basic subscriptions, up to 2 million characters a month, are free. Google’s free Translation API are deprecated So Microsoft Translator is a good alternative. In this sample, we will use AJAX API for English to Hindi translation.

SkyDrive provides the excel survey feature which allows you to create online surveys and analyze results using the free Excel Web App or Excel on your desktop. You can display the survey results by embedding the excel in a web page. ExcelMashup.com allows you show a workbook directly in your website. It also lets you easily sort, filter, and interact with the workbook as in Web Excel with powerful Javascript API. We will create a sample survey and save result data to database using ASP.NET MVC and Entity Framework.

To update an entity in ASP.NET Web API, PUT request is used and we have to send all the properties even if only a subset have changed means if only one field is updated on the client side, we have to send the entire model back to the server to make an update. It’s not a cool way. PATCH request allows you to send just the modified properties for partial model updates. It reduces complexity in case of bigger tables. Here is a usage example to implement HTTP Patch request in ASP.NET Web API to update data with EF DB First.

In this article, we will implement to download parts of file in parallel to get the complete file faster. It is very useful to download large file and saves a bunch of time. ASP.NET Web API supports byte range requests(available in latest nightly build) with ByteRangeStreamContent class. We will request the ranges of file parts in parallel and merge them back into a single file.

In my previous tutorial, we have implemented CRUD operations on HTML5 IndexedDB database to provide offline support. The next step is to synchronize offline and online databases. In this tutorial, we are going to implement synchronization of IndexedDB and SQL Server databases using ASP.NET Web API.

In my recent post, we have implemented Real-Time Chart using HTML5 Push Notification (SSE) and ASP.NET Web API. I got many requests to implement it using SignalR. So In this tutorial, we are going to display real-time updates with SignalR and ASP.NET MVC. SignalR is an async signaling library for ASP.NET to help build real-time, multi-user interactive web applications. It makes easy to push data from the server to the client.

In my recent post, we have seen how to create basic chart using jQuery Flot and ASP.NET Web API. In this article, we’ll create a chart to display real-time updates using native HTML5 push notification. The HTML5 Server-Sent event (SSE) model allows you to push real-time data updates from the server to the browser.

ASP.NET MVC 4 Web API has limited support to map POST form variables to simple parameters of a Web API method. Web API does not deal with multiple posted content values, you can only post a single content value to a Web API Action method. This post explains the different ways to pass multiple parameters to Web API method.

This article explains how to display interactive charts with Flot jQuery plugin and ASP.NET Web API. Flot is an open source Javascript plotting library produces graphical plots of arbitrary datasets on-the-fly client-side. We’ll get data from database using ASP.NET Web API and use it to display chart.

This post explains how to implement a simple CRUD (Create, Read, Update, and Delete) in jqGrid with ASP.NET MVC 4 Web API. If you are beginner to Web API, read this post to create a web API that supports CRUD operations. We will use GET, POST, PUT and DELETE HTTP methods for Select, Insert, Update and Delete operations respectively.