Updating records in the database with asp net cheap things to do and dating

In one of our tutorial, we discussed how Persistence is handled in Entity Framework.

Two scenarios are possible when we update and entity.

If we did not change its state to Modify and invoked the Save Changes method, then the Context will insert the new department in the database.

This will result in duplicate Departments in our database.

Now we need to tell the context that the Entity is Updated.

updating records in the database with asp net-73updating records in the database with asp net-47updating records in the database with asp net-41

updating is usually done with a primary key and in your case the customer-id is what you will need for updates.For example, if you call Delete on a row on the Data Set, then when Update is called on the Data Adapter, the Delete Command of the Data Adapter will be called using the particular row in the Data Set.Note: Keep in mind that this Update is different than a SQL UPDATE statement.To change an existing row's data, you can directly assign a row's value. Delete() In this example, I'll show you how to add edit, and remove, data from the Northwind database.To save data to the data source, you need to call the Data Adapter's Update method. I'll display the result of the Customers table in a Data Grid after adding, updating, and deleting data from the table.

Leave a Reply

  1. single christan men for dating 21-Dec-2020 22:45

    “Not only did Alex come out, and there’s a lot of emotion in that, but there are so many ups and downs in a relationship, right?

  2. divorced men rebound dating 03-Dec-2019 22:35

    The quality though is not as good here, and the most attractive people will get bombarded with messages.

  3. divorced desperate and dating christie craig 06-Jul-2020 13:00

    Fw-300 #ya-qn-sort h2 /* Breadcrumb */ #ya-question-breadcrumb #ya-question-breadcrumb i #ya-question-breadcrumb a #bc .ya-q-full-text, .ya-q-text #ya-question-detail h1 html[lang="zh-Hant-TW"] .ya-q-full-text, html[lang="zh-Hant-TW"] .ya-q-text, html[lang="zh-Hant-HK"] .ya-q-full-text, html[lang="zh-Hant-HK"] .ya-q-text html[lang="zh-Hant-TW"] #ya-question-detail h1, html[lang="zh-Hant-HK"] #ya-question-detail h1 /* Trending Now */ /* Center Rail */ #ya-center-rail .profile-banner-default .ya-ba-title #Stencil . Bgc-lgr .tupwrap .comment-text /* Right Rail */ #Stencil .