simple sqlite database example in android

IOS provides SQLite as a local database, and monotouch also provides mono. Data. SQLite to encapsulate SQLite. Compared with objective-C using SQLite databases, it is easy to use monotouch to access SQLite data. First, let's look

what the new code looks like: Public classDBHelperextendsSqliteopenhelper {Private Static FinalString database_name = "Mysample.db"; Private Static Final intDatabase_version = 2; Private Static FinalString database_create_sample_table = "CREATE TABLE tblsample (_id Integer primary key autoincrement, name varchar (+), ad Dress varchar (128); "; PublicDBHelper (Context context) {Super(Context, database_name,NULL, database_version); } @Override Public voidonCreate (sqlitedatabase

Recently I am looking at the source code of the Android platform. Next I will summarize the relationship between sqlitedatabase and its underlying sqllite database. How does the upper-layer sqlitedatabase call the underlying SQLite database operation. Sqlitedatabase is a class used by the

Step One: Install System.Data.Sqlite package in NuGet Step two: Generate entity classes I tried many times, tried to generate entity classes with the entity Framework Power Tools Beta 4 connection SQLite, but failed, and the final solution was to create a library of the same structure in SQL Server, and EF power tools to connect SQL Server generates entity classes and remembers to modify the database co

Simple Android Sqlite Simple Android Sqlite: package com.pdsu.db_test;import java.sql.Date;import android.app.Activity;import android.database.Cursor;import android.database.sqlite.SQLiteDatabase;import android.os.Bundle;import a

; } public static DataSet execdataset (String sql) { using (Sqliteconnection conn = getconnection ()) { var cmd = new Sqlitecommand (SQL, conn); Sqlitedataadapter da = new Sqlitedataadapter (CMD); DataSet ds = new DataSet (); Da. Fill (DS); return DS; } } } Apply Form1.cs in a form [CSharp]View Plaincopyprint? //Determines whether the table exists, does not exist, and generates int result = Sqlitehelper.executescalar ("Select COUN

/* (Start of program header annotation)* Copyright and version Declaration of the program* Copyright (c) 2011, a student from the computer College of Yantai University* All rights reserved.* File name: Database Application-Retrieve)* Author: Lei hengxin* Completion date: January 1, August 14, 2012* Version No.: V1.0* Description of tasks and Solutions* Input description:* Problem description:* Program output:* End the comment in the program Header*/Th

1. Create a subclass of sqliteopenhelper. Package COM. tao. sqlitedb; import android. content. context; import android. database. SQLite. sqlitedatabase; import android. database. SQLite