05-Jun-2016 23:18

Updating data linq Adult dating site suggest

Please use the database structure given below, if you want to try the following examples directly. If you want to insert more than one row, then you will have to create a ‘List’ array object containing all the ‘User’ objects and then use ‘Insert All On Submit‘ method, it will work fine.I am assuming, you already know how to create dbml/linq to sql classes: Being Lin Q as a ORM, it’s quite easy and sql syntax free way to insert data using Lin Q. Submit Changes(); } For your information, the above code example is for . If you are using an earlier version, you will have to use ‘Add‘ method instead of ‘Insert On Submit‘ . Deleting data/row from database using linq is as simple as inserting data and this is also sql syntax free operation .We just need to create a new object of corresponding database table type, then add it to the Data Context object and then commit the changes. Role Id = role Id; User Data Context UDB = new User Data Context(); UDB. First, we will have to retrieve the ‘user’ object we want to delete, and then add this deletion operation in the queue by ‘Delete On Submit’ method.Here is a small block of c# code samples to create new ‘User’ linq to sql class(Representing ‘Users’ Table in Database) and add it to ‘Users Data Context’ class(Represents the database) and commit the changes to original database by ‘Submit Changes'(without this, no changes will be reflected to database): public static bool Create User(string user Name, string pass Word,int role Id) { User user = new User(); user. Finally commit the operation using ‘Submit Changes’ method as before; Just like insert operation, this delete operation example given above will work for .

When the ‘Submit Changes’ method called, it simply commits it’s all containing objects’ changes.

So, here it’s automatically reflecting when we made change in the ‘n USer’ Object.

Recently, I have discussed about getting started linq to sql in c#

That articles also covered for creating select query for retrieving both single and multiple results.

Today, in this tutorial, I will try to give some more examples on other types of database operations, that writes/updates the database.

Search for updating data linq:

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These will cover writing and executing ‘Update’/’Insert’/’Delete’ query in the proper way.

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