The following examples demonstrate how to perform updates to modified rows by explicitly setting the Private Sub Adapter Update(By Val connection String As String) Using connection As Sql Connection = New Sql Connection( _ connection String) Dim adapter As Sql Data Adapter = New Sql Data Adapter( _ "SELECT Category ID, Category Name FROM dbo. Update Command = New Sql Command( _ "UPDATE Categories SET Category Name = @Category Name " & _ "WHERE Category ID = @Category ID", connection) adapter.
Fill(category Table) Dim category Row As Data Row = category Table.
You must explicitly set the commands before calling event and setting the Status to Skip Current Row. NVar Char, 15, "Category Name") Dim parameter As Sql Parameter = _ adapter.
Just means 2 extra models per models - doh ;-)One of the problems with this approach is that you can't mock db. EF has a reasonably good mocking story elsewhere - it's pretty annoying that (so far as I can tell) they don't have one here. I believe there is yet another way to approach this as well.
Alternate words are sometimes used when defining the four basic functions of CRUD, retrieve instead of read, modify instead of update, or destroy instead of delete.
CRUD functionality can be implemented with an object database, an XML database, flat text files, custom file formats, tape, or card, for example.
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So, create a helper class called DBAdapter that creates, opens, closes, and uses a SQLite database. You use a Content Values object to store key/value pairs.