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Showing posts from 2015

Self referencing loop detected for property 'xxxx' with type 'System.Data.Entity.DynamicProxies.XXX_XXX'. Newtonsoft.Json.JsonSerializationException

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This is a very common serialization exception we see when forget to use loop handling strategies in Web API.
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My session on Azure Media Services in C# Corner Delhi Chapter

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After I moved to Delhi, first time I got an opportunity to speak with developers in C# Corner Delhi Chapter meeting, Dinesh Beniwal is awesome guy managing community so well in Delhi. He invited me to be a part of Delhi Chapter and engage with developers and help community to grow by sharing and learning.
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Sorting in WebAPI - a generic way to apply sorting

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In this post you will learn how to implement sorting functionality in WebAPI so that client can ask for sorted data by sending columns names through query string. Client can send more than one short parameters and request for ascending or descending data in response. Sorting functionality should be generic enough so that we can reuse it.
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Field level data selection in WebAPI

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In this post you will learn how to implement field level data selection functionality in WebAPI so that client can ask for less data by sending individual columns names through query strings variable fields .
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How to remove/update default header and footer from PayPal sandbox page

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I was updating an old website that uses PayPal as one of the payment gateway option. When I was testing the website I realized default header and footer texts.
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Popular posts from this blog

Migrating database from ASP.NET Identity to ASP.NET Core Identity

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As you know ASP.NET Core Identity (table structure) is different from what we had earlier in ASP.NET Identity. Actually the identity system which we have today with .NET Core is very mature and continuously evolved be it ASP.NET Membership, ASP.NET Identity 1, ASP.NET Identity 2 and now ASP.NET Core Identity. Recently I had to migrate few application to ASP.NET Core and similar its identity database. Because the table schema is changed, i had to re-think and create migration script which I would like to share with you today. It is very simple and easy, just three step and I had everything ready: STEP 1 : Change name of existing tables STEP 2 : Create ASP.NET Core Identity tables STEP 3 : Migrate data from old tables (ASP.NET Identity) to new tables (ASP.NET Core Identity) Script:  https://gist.github.com/itorian/c699e8534b392a6c726ec66c48100072 You should also watch my video, where I demoed migration.
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Customize User's Profile in ASP.NET Identity System

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Note: You should read this post instead, I found below walkthrough will not work on ASP.NET Identity 2. I will re-work on this post soon. In this post you will learn how to customize User’s Profile and add some more fields like FirstName, LastName, EmailID etc with ASP.NET Identity System. In my last post I listed some of the great new features introduced with Identity system .
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Lambda two tables and three tables inner join code samples

In this blog post you will learn inner join using lambda queries. There will be two samples, in first sample you will see how you can join two tables and in second sample you will see how you can extend even further to join three tables and so on. I will sample in-memory data, but the same implementation will work with IQueryable (lazy query) too. Here's the code snippet:- namespace ConsoleApp1 {     class Program     {         static void Main()         {             var table1 = new List<Table1>();             table1.Add( new Table1 { Id = 1, Name = "Name 1" , Address = "Address 1" });             table1.Add( new Table1 { Id = 2, Name = "Name 2" , Address = "Address 2" });             table1.Add( new Table1 { Id = 3, Name = "Name 3" , Address = "Address 3" });             table1.Add( new Table1 { Id = 4, Name = "Name 4" , Address = "Address 4" });   
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