Updating a row in linq to sql
Delete On Submit(ord0) ' Ask the Data Context to save all the changes. Submit Changes() Note You can override this behavior by using your own custom logic, typically by way of a stored procedure.
Over the last few weeks I've been writing a series of blog posts that cover LINQ to SQL.
one thing that you can try to do is to log the query coming out if you are using linq-to-sql then there should be a Log property where you can send in String Writer or something like that to see what the query looks like prior to execution of course if the issue is prior to the Expression Tree being fully evaluated then the log won't help you there still is something about the "cast" exception that is bugging me perhaps it would be better to take a step back and break this issue down into more baby steps see if you can parse the Http Manager.
Member ID see if you can pull the Profile object (period) and inspect the object see if you can pull a list of Profile objects and inspect to answer your question about unpredictable results...
rule in the foreign-key constraint in the database, or use your own code to first delete the child objects that prevent the parent object from being deleted. For more information, see How to: Delete Rows From the Database.
Northwnd db = new Northwnd(@"c:\Northwnd.mdf"); // Query for a specific customer.
LINQ to SQL offers maximum flexibility in manipulating and persisting changes that you made to your objects.
As soon as entity objects are available (either by retrieving them through a query or by constructing them anew), you can change them as typical objects in your application. Contact Name = "New Contact"; // Create and add a new Order to the Orders collection.
The Create Customer Log and Update Customer Log might be at the higher level, maybe your UI level as it interacts directly with the UI elements. 'Member ID' is stored in 'Members' as the bigint data type which corrolates with .net's Int64.Are there usually such unpredictable results when working with a type safe API such as LINQ to SQL?I am developing a web application which retrieves data from an SQL database using LINQ to SQL extension methods.When a user registers, a record is inserted into a table called 'Members' which holds their details.
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LINQ to SQL is a built-in O/RM (object relational mapper) that ships in the .