/// <summary>
/// This method is used to test a SQL database connection.
/// </summary>
public static bool TestDatabaseConnection(SQLDatabaseConnector sqlDatabaseConnector)
{
// initial value
bool connectionAvailable = false;
try
{
// verify the sqlDatabaseConnector exists and the ConnectionString is set
if ((sqlDatabaseConnector != null) && (!String.IsNullOrEmpty(sqlDatabaseConnector.ConnectionString)))
{
// Open the connection
sqlDatabaseConnector.Open();
// Test the connection
connectionAvailable = sqlDatabaseConnector.Connected;
// Close the connection
sqlDatabaseConnector.Close();
}
}
catch (Exception error)
{
// for debugging only
string err = error.ToString();
}
// return value
return(connectionAvailable);
}
/// <summary>
/// This method loads the Database Schema for the database given.
/// </summary>
private void LoadDatabaseSchema(SQLDatabaseConnector connector, ref Database database)
{
try
{
// if the database exists
if ((connector != null) && (database != null))
{
// Open the connection
connector.Open();
// if the connector is open
if (connector.Connected)
{
// Load the database schema
connector.LoadDatabaseSchema(database);
}
// Close the connection
connector.Close();
// Open the connection
connector.Open();
}
}
catch (Exception error)
{
// for debugging only
string err = error.ToString();
}
}
/// <summary>
/// event is fired when the 'GetSchemaHashButton' is clicked.
/// </summary>
private void GetSchemaHashButton_Click(object sender, EventArgs e)
{
// create a database
Database database = new Database();
// paste in your connectionstring
database.ConnectionString = ConnectionStringControl.Text;
try
{
// if the connecionstring exists
if (TextHelper.Exists(database.ConnectionString))
{
// Create a new instance of a 'SQLDatabaseConnector' object.
SQLDatabaseConnector connector = new SQLDatabaseConnector();
// set the connectionstring on the connector
connector.ConnectionString = database.ConnectionString;
// open the connection
connector.Open();
// get the schemaHash
string schemaHash = connector.GetDatabaseSchemaHash(database);
// close the connection
connector.Close();
// Display the result
this.SchemaHashControl.Text = schemaHash;
}
else
{
// Show the user a message
MessageBoxHelper.ShowMessage("You must paste in a connection string to continue.", "Connectionstring Required");
}
}
catch (Exception error)
{
// Show the user a message
MessageBoxHelper.ShowMessage("An error occurred: " + error.ToString(), "Error");
}
}
