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This depends on how critical is your application and how sensitive is data.<br />
Also implementation easiness and your database deployment strategy matter.
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This depends on how critical is your application and how sensitive is data.
Also implementation easiness and your database deployment strategy matter.

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Feel free to spell out all the options and what they entail. &nbsp;I know of Asp.net membership with SQL, and I have known about another AuthenticationManager that gives you a token to be able to login. &nbsp;Please explore in detail what my options are. &nbsp;Thanks!
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Feel free to spell out all the options and what they entail.  I know of Asp.net membership with SQL, and I have known about another AuthenticationManager that gives you a token to be able to login.  Please explore in detail what my options are.  Thanks!

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I did not get you clearly. If you know membership with SQL and Authentication Manager then you can easily decide which one is better. If this understanding is wrong then please explain your query.
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I did not get you clearly. If you know membership with SQL and Authentication Manager then you can easily decide which one is better. If this understanding is wrong then please explain your query.

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I'm trying to get information on which authentication solution is the best for an asp.net, asp.net web api or asp.net mvc solution.
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I'm trying to get information on which authentication solution is the best for an asp.net, asp.net web api or asp.net mvc solution.

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What is the best membership service, API or membership database to use for authentication with ASP.net Web API, SQL SERVER and/or ASP.net with C#? &nbsp;Thank you!
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What is the best membership service, API or membership database to use for authentication with ASP.net Web API, SQL SERVER and/or ASP.net with C#?  Thank you!

SQL and ASP.net Membership Authentication

Databases are organized collections of data, most commonly accessed through management systems including schemas, tables, queries and processes that allow users to enter and manipulate the information or utilize it in other fashions, such as with web applications or for reporting purposes.

Databases

The successor to Active Server Pages, ASP.NET websites utilize the .NET framework to produce dynamic, data and content-driven web applications and services. ASP.NET code can be written using any .NET supported language. As of 2009, ASP.NET can also apply the Model-View-Controller (MVC) pattern to web applications

ASP.NET

SQL (Structured Query Language) is designed to be used in conjunction with relational database products as of a means of working with sets of data. SQL consists of data definition, data manipulation, and procedural elements. Its scope includes data insert, query, update and delete, schema creation and modification, and data access control.