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In Our previous article we have seen how to startup with .Net Core. In this article we will take a look on database operation according to previous sample application based previous concept.
If you are new to .Net Core, Please read previous post about .Net Core Startup
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Error: Function evaluation disabled because a previous function evaluation timed out. You must continue execution to re enable function evaluation.
Solution: This is happen while we are time-extended queries in EF.
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Here we have demonstrate how we can convert execute reader to list.
First: Check if there is any virtual properties.
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public virtual tbl_Product tbl_Product { get; set; } |
Second: Reader Property Name should always matches with table column name Read More
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Object-relational mapping (ORM, O/RM, and O/R mapping) in computer science is a programming technique for converting data between incompatible type systems in object-oriented programming languages.
ORM is a tool for storing data from domain objects to relational database like MS SQL Server, in an automated way, without much programming. O/RM includes three main parts:
ORM allows us to keep our database design separate from our domain class design. This makes the application maintainable and extendable. It also automates standard CRUD operation (Create, Read, Update & Delete) so that the developer doesn’t need to write it manually.