By Michael Schmalz
Operating with facts and databases in C# definitely will be daunting in case you are coming from VB6, VBA, or entry. With this hands-on consultant, you will shorten the educational curve significantly as you grasp getting access to, including, updating, and deleting facts with C# - uncomplicated abilities you wish should you intend to application with this language. No past wisdom of C# is important. by means of following the examples during this ebook, you are going to the best way to take on numerous database projects in C#, similar to operating with SQL Server, construction info access kinds, and utilizing facts in an internet carrier. The book's code samples can help you start by yourself tasks.
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Additional info for C# Database Basics: Moving from Visual Basic and VBA to C#
By doing this, you can simplify the process of adding and updating related records. You can also show parent and child records on the same form and handle the navigation without having to resort to separate forms. It does make sense in most cases to have your form laid out in a way to accomplish that. But there are times when you might be storing some related data in a separate table where it won't matter to the end user. As an example, you might store phone numbers in a separate table but only want to allow editing of the primary phone number in your form.
So, my recommendation is to trap each one separately versus having a catchall. There are clearly many other things that you might want to do with SQL Server, and there are some additional examples in the book. The key items are covered here, and if you want to populate a grid and let people do editing on a desktop application, this simple application gets it done. info What’s Next Chapter 3 shows how to make a data entry form that isn’t on a grid like you would see in a typical Access database application.
But remember that you don’t have a DataTable object described here. So, you will use a different overload method, which takes the DataSet object and then the name of the DataTable as a string. The slightly confusing part is that for the child table, you pass the Data Table name and not the name that you gave the relation. Once this completes, you will show the message to the user, letting her know that it updated. You could also do this by updating a text box like we did in the example in Chapter 1.