John West - Wednesday, July 11, 2007 5:44:59 PM One more question: when is automatic updating of the data model going to be added? Currently, if I add a new field to the db, I have to manually make the changes. The reason is what if the object have multiple foreign keys and it retrieves all the data from the other table? What if the object is heavily populated with lots of fields? Mohammad Azam - Thursday, July 12, 2007 4:01:27 PM Scott, Most of this is just what I have been looking for in LINQ! Up until now, I had been using reflection to interrogate the internal change tracking mechanism for changed entities
The question is, in ASP.Net, where is the best place to dispose the DataContext ? For now, I do it in a OnDispose() override, is there a better place ? Thanks Skup Skup - Thursday, May 31, 2007 9:11:02 AM Hey Scott, Is there a button in the designer to automatically refresh all the database schema changes into the DAL? (this is a nice feature in LLBLGen) Also - do you have any links for writing my own LINQ to XXXX - where XXXX is the database du jour. Hope this helps, Scott ScottGu - Thursday, May 31, 2007 7:23:08 AM Hi Walter, LINQ ships with XLINQ - and the projection features of LINQ enable you to-do some pretty nice transformations of objects into XML with it
This is done with the help of LINQ to SQL or LINQ to Entities classes(ORM model) which actually converts the LINQ query to SQL query and fire it on the database. I was also trying to do the same, but i just cannot figure out why my insert function is never called.I hope its ok to post code here, maybe you can see where i am going wrong
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For a table, the list contains all of its columns: For an attribute, it will display methods and properties depending on the type (string, integer, etc). Query in the Old Way: with SQL as String As you may want to execute SQL that is not yet supported by LINQ to SQL, a way to execute SQL queries in the old way is available
Using SQLite database in .NET with LINQ to SQL and Entity Framework 6
by Nicolai How the 'term' is passed from view to the controller method? by vivek Be useful if you included instructions on registering the Cookie TempData provider with controllers. by sam How do you know which version is tagged with what versions since they bizarrely don't match? by Alan Macdonald Any sample console applications (Client and Server) for testing issues about MSMQ private queues ? Console application in Client to send message a .
Thanks for providing the information how to insert images into database and how to retrieve and bind images to gridview using asp.net and how save and retrieve images from database using asp.net. Do you ever run into any browser compatibility problems? A few of my blog audience have complained about my site not operating correctly in Explorer but looks great in Chrome
I have managed to create a simple query to look up a persons ID based on their firstname and last name, however I want to take this further and say 'If this person doesn't exist based on their firstname and lastname, insert this into the persons table, and then use their ID for the results'
If you are enforcing foreign key constraints with a parent-child relation set up on two DataTables and you set the Update Rule to Cascade then any foreign key references will also be updated in the children. Setting up the Parent-Child DataSet The first step is to make sure you set up the tables in your Access database to use the AutoNumber feature for the primary keys on the rows
Reading .CSV File and Inserting Data to SQL Table using SqlBulkCopy - CodeProject
I just need to know how to save the data in the Data Grid to the server, without having to specify a connection, because it is already made automatically by the application on startup. License This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Share email twitter facebook linkedin reddit google+ About the Author Angsuman Chakraborty Software Developer NA Bangladesh Graduated with IT in 2006
and INSERT into Table2: OUTPUT inserted.ID, MyTable.D, MyTable.E, MyTable.F INTO Table2 (ID, D, E, F); MERGE, as opposed to the other DML statements, can reference other tables than just inserted and deleted, which is useful for you here. Sorry if it looked like I changed my mind mid question but the idea always ways that if there was a row in one there would be a foreign key in the other
Reader Level: Article How to Insert Data Into Database Table Using jQuery in ASP.Net MVC4 By Virendra Gaur on Aug 22, 2014 Asp.Net MVC, Insert Data in MVC 4 using jQuery, MVC 4, This article explains how to insert data into a SQL Server database using jQuery using a post method in ASP.NET MVC 4
The structure of the tblEmployee table is as follows:Step 1: Design a Windows Forms form as shown in the following figure.Step 2: On the "Click" event of the "Insert Data" button proide the following code.Step 3: Press F5 to run project. Reader Level: Article Inserting Data in the Database Using LINQ to SQL By Prashant Nimbare on Nov 03, 2013 LINQ, LINQ TO SQL, LINQ to SQL insert data, using LINQ to SQL, In this article you will learn how to insert data in the database using LINQ to SQL
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The purpose of the DataContext is to translate your requests for objects into SQL queries made against the database and then assemble objects out of the results. Second we created a new instance of the Customer object that was defined within the DataContext, this object has properties which will be filled with values that comes from the user inputs
If data is huge, if there are any Non-Clustered indexes that are not build on primary key or unique key, then disable those indexes, loading will be much faster. How can I fix? I have SQL Server 2008 and Visual Studio 2008 and am trying to automatically insert new records into a child table based on new inserts into its parent table
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