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    Updating records using linq

    Free counters Added on January 19,2012 Follow Me @vmsdurano A bit About Me Disclaimer The opinions expressed herein are my own personal opinions and does not represent the opinions of my employers.

    Nor does it represent the opinion of my dog, because I don’t have one. In this example I’m going to extend a little bit of what I have demonstrated in my previous example.

    This will create all the mappings and settings for each table and their entities.

    For files the database connection string is defined in the web.config file as: We can use a connection string from the web.config file or we can pass a connection string as a parameter in the constructor of the Data Context class to create an object of the Data Context class.

    NET Framework component that adds native data querying capabilities to . In other words LINQ has the power of querying on any source of data (Collection of objects, database tables or XML Files).

    We can easily retrieve data from any object that implements the IEnumerable LINQ to SQL translates our actions to SQL and submits the changes to the database.

    Now the next step if we are going to populate the Drop Down List with the list of customers and populate the form with the customers information based on the customer ID selected from the Drop Down List.Microsoft is conducting an online survey to understand your opinion of the Msdn Web site.If you choose to participate, the online survey will be presented to you when you leave the Msdn Web site. This way you can have a variety of ways that your object is created and the method is only responsible for the persistance of that object not also it's creation and populating.A couple of problems I see in your approach: // a method higher up the chain void Create Customer Log() void Update Customer Log(string application No) Data_Customer_Log Get Customer Log(string application No) Data_Customer_Log Insert Or Update(Data_Customer_Log record) Data_Customer_Log Insert(Data_Customer_Log record) Data_Customer_Log Update(Data_Customer_Log record) I would probably point out that these methods would probably be in different classes.

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