public static bool CanConnect(SqlDBHandle sqlDb)
{
bool canConnect = false;
string dbName = sqlDb.DBName;
sqlDb.DBName = "master";
SqlConnection sqlConnection = new SqlConnection(sqlDb.ConnectionString);
try {
sqlConnection.Open();
canConnect = true;
sqlConnection.Close();
} catch { }
if (!canConnect)
{
return(false);
}
sqlDb.DBName = dbName;
if (!SqlDbExists(sqlDb))
{
return(true);
}
canConnect = false;
sqlConnection = new SqlConnection(sqlDb.ConnectionString);
try {
sqlConnection.Open();
canConnect = true;
sqlConnection.Close();
} catch { }
return(canConnect);
}
public static void DeleteSqlDb(SqlDBHandle sqlDb)
{
string dbName = sqlDb.DBName;
sqlDb.DBName = null;
var sqlConnection = new MySqlConnection(sqlDb.ConnectionString);
sqlConnection.Open();
new MySqlCommand("DROP DATABASE " + dbName, sqlConnection).ExecuteNonQuery();
}
public static bool SqlDbExists(SqlDBHandle sqlDb)
{
string commandText = "select * from master.dbo.sysdatabases where name=\'" + sqlDb.DBName + "\'";
sqlDb.DBName = "videorent";
bool ret = true;
using (var sqlConnection = new MySqlConnection(sqlDb.ConnectionString))
try {
sqlConnection.Open();
//using (var sqlCommand = new MySqlCommand(commandText, sqlConnection))
//{
// var reader = sqlCommand.ExecuteReader();
// ret = reader.HasRows;
// reader.Close();
//}
sqlConnection.Close();
} catch (MySqlException) {
ret = false;
}
return(ret);
}
