打开加密sqlite数据库的方法有以下两种

1.SQLiteConnection方法

SQLiteConnection cnn = new SQLiteConnection(“Data Source=c:\\test2.db“);
cnn.SetPassword(“password“);
cnn.Open();

2.SQLiteConnectionStringBuilder方法

SQLiteConnectionStringBuilder builder = new SQLiteConnectionStringBuilder();
builder.DataSource = @”c:\test.db“;
builder.Password = @”password“;
SQLiteConnection cnn = new SQLiteConnection(builder.ConnectionString);
cnn .Open();