local-database

How to setup auto increment for Service-Based Database

我的未来我决定 提交于 2019-12-02 08:50:29
I start build my first local database (Service-Based Database) here Write line to Service-Based Database with textbox , need your help with setup, so I want to set my auto increment in my Properties Identity Specification which is True now, or use some sorting method, thus if any row is removed, second one (next after deleted) must take index of deleted line, and of course same step back for all subsequent rows, and also important, if I have to use any sorting, to keep original order of lines as it was inserted. For example: line 1 line 2 line 3 line 4 If line2 is deleted this result: line 1

Use a local database in Xamarin

做~自己de王妃 提交于 2019-11-26 04:16:45
问题 I have started using the Xamarin plugin for Visual Studio to create an Android app. I have a local SQL database, and I want to call it to display data. I don\'t see how I can do this. Is it possible? 回答1: After thinking this was a trivial thing to do, I was proven wrong when I tried setup a quick test project. This post will contain a full tutorial on setting up a DB for an Android App in Xamarin that will come in handy as a reference for future Xamarin users. At a glance: Add Sqlite.cs to