public async void Connect(TaosConnectionStringBuilder connectionString)
{
lblCursor.Text = Resources.Opening + connectionString.DataSource;
lblElapsed.Text = Resources.Reading;
prgRunning.Style = ProgressBarStyle.Marquee;
btnConnect.Enabled = false;
try
{
_db = await this.AsyncConnect(connectionString);
// force open database
var uv = _db.ServerVersion;
}
catch (Exception ex)
{
_db?.Dispose();
_db = null;
MessageBox.Show(ex.Message, Resources.Error, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
finally
{
lblCursor.Text = "";
lblElapsed.Text = "";
prgRunning.Style = ProgressBarStyle.Blocks;
btnConnect.Enabled = true;
}
btnConnect.Enabled = true;
lblCursor.Text = "";
prgRunning.Style = ProgressBarStyle.Blocks;
_connectionString = connectionString;
_codeCompletion.UpdateCodeCompletion(_db);
btnConnect.Text = Resources.Disconnect;
this.UIState(true);
tabSql.TabPages.Add("+", "+");
this.LoadTreeView();
this.AddNewTab("(none)", "");
txtSql.Focus();
}
public MainForm(Maikebing.Data.Taos.TaosConnectionStringBuilder taosConnection)
{
InitializeComponent();
// For performance https://stackoverflow.com/questions/4255148/how-to-improve-painting-performance-of-datagridview
grdResult.DoubleBuffered(true);
_synchronizationContext = SynchronizationContext.Current;
_codeCompletion = new SqlCodeCompletion(txtSql, imgCodeCompletion);
if (taosConnection == null)
{
this.Disconnect();
}
else
{
this.Connect(taosConnection);
}
txtSql.ActiveTextAreaControl.TextArea.Caret.PositionChanged += (s, e) =>
{
if (this.ActiveTask == null)
{
return;
}
this.ActiveTask.EditorContent = txtSql.Text;
this.ActiveTask.SelectedTab = tabResult.SelectedTab.Name;
this.ActiveTask.Position = new Tuple <int, int>(txtSql.ActiveTextAreaControl.TextArea.Caret.Line, txtSql.ActiveTextAreaControl.TextArea.Caret.Column);
lblCursor.Text = $"Line: {(txtSql.ActiveTextAreaControl.Caret.Line + 1)} - Column: {(txtSql.ActiveTextAreaControl.Caret.Column + 1)}";
};
// stop all threads
this.FormClosing += (s, e) =>
{
if (_db != null)
{
this.Disconnect();
}
};
// set assembly version on window title
this.Text += $" (v.{typeof(MainForm).Assembly.GetName().Version.ToString()}) - (TDengine v.{typeof(TaosConnection).Assembly.GetName().Version.ToString()})";
}
/// <summary>
/// Initializes a new instance of the <see cref="TaosConnection" /> class.
/// </summary>
/// <param name="connectionString">The string used to open the connection.</param>
/// <seealso cref="TaosConnectionStringBuilder" />
public TaosConnection(string connectionString) : this()
{
ConnectionStringBuilder = new TaosConnectionStringBuilder(connectionString);
ConnectionString = connectionString;
}
