public IDatabase CreateInstance(string connectionName)
{
IDatabase databaseInstance = null;
switch (connectionName)
{
case "crud":
databaseInstance = new SqlServerDatabase();
break;
case "logging":
databaseInstance = new OleDBDatabase();
break;
default:
databaseInstance = new NullDatabase();
break;
}
return(databaseInstance);
}
private void btnGetDatabase_Click(object sender, EventArgs e)
{
Database database;
if (rdbUseSqlServer.Checked)
{
database = new SqlServerDatabase();
}
else
{
database = new OleDBDatabase();
}
DbCommand command = database.Command;
// now, we can do something, like:
//command.CommandType = CommandType.Text;
//command.CommandText = "SELECT * FROM Customers";
//command.Connection.Open();
//DbDataReader reader = command.ExecuteReader();
//reader.Close();
//command.Connection.Close();
}
private void btnGetDatabase_Click(object sender, EventArgs e)
{
Database database;
if (radUseSqlServer.Checked)
{
database = new SqlServerDatabase();
}
else
{
database = new OleDBDatabase();
}
DbCommand command = database.Command;
// now, we can do something, like:
//command.CommandType = CommandType.Text;
//command.CommandText = "SELECT * FROM Customers";
//command.Connection.Open();
//DbDataReader reader = command.ExecuteReader();
//reader.Close();
//command.Connection.Close();
}
