private void SortAllOnValues_Click(object sender, System.EventArgs e) { NDataSeriesCollection arrSeries = m_Bar.GetDataSeries(DataSeriesMask.Values | DataSeriesMask.Labels | DataSeriesMask.FillStyles, DataSeriesMask.None, false); int nMasterIndex = arrSeries.FindByMask(DataSeriesMask.Values); arrSeries.Sort(nMasterIndex, (DataSeriesSortOrder)SortOrder.SelectedIndex); nChartControl1.Refresh(); }
private void ImportFromDatabase_Click(object sender, System.EventArgs e) { nChartControl1.Clear(); InitTitleAndBackground(); OleDbConnection myConnection = null; OleDbDataReader myReader = null; try { // create a database connection object using the connection string myConnection = new OleDbConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=" + Application.StartupPath + "\\..\\..\\DataManipulation\\Importing\\DataBinding.mdb"); // create a database command on the connection using query OleDbCommand myCommand = new OleDbCommand("select * from Sales", myConnection); // create a bar chart NChart chart = nChartControl1.Charts[0]; NBarSeries bar = (NBarSeries)chart.Series.Add(SeriesType.Bar); bar.Legend.Mode = SeriesLegendMode.DataPoints; // import the SalesAmount and ProductName into the bar Values and Labels myCommand.Connection.Open(); myReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection); NDataSeriesCollection arrSeries = bar.GetDataSeries(DataSeriesMask.Values | DataSeriesMask.Labels, DataSeriesMask.None, false); string[] arrCollumns = { "SalesAmount", "ProductName" }; arrSeries.FillFromDataReader(myReader, arrCollumns); } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { if (myReader != null) { myReader.Close(); } if (myConnection != null) { myConnection.Close(); } } nChartControl1.Refresh(); }
protected void Page_Load(object sender, EventArgs e) { nChartControl1.BackgroundStyle.FrameStyle.Visible = false; NLegend legend = nChartControl1.Legends[0]; legend.FillStyle.SetTransparencyPercent(50); legend.SetPredefinedLegendStyle(PredefinedLegendStyle.Bottom); legend.Data.ExpandMode = LegendExpandMode.RowsFixed; legend.Data.RowCount = 2; // set a chart title NLabel title = nChartControl1.Labels.AddHeader("Import from Data Reader"); title.TextStyle.FontStyle = new NFontStyle("Times New Roman", 14, FontStyle.Italic); title.TextStyle.ShadowStyle.Type = ShadowType.LinearBlur; title.ContentAlignment = ContentAlignment.BottomRight; title.Location = new NPointL( new NLength(2, NRelativeUnit.ParentPercentage), new NLength(2, NRelativeUnit.ParentPercentage)); // configure the chart NChart chart = nChartControl1.Charts[0]; chart.Width = 100.0f; chart.Height = 65.0f; chart.BoundsMode = BoundsMode.Stretch; chart.Location = new NPointL( new NLength(10, NRelativeUnit.ParentPercentage), new NLength(20, NRelativeUnit.ParentPercentage)); chart.Size = new NSizeL( new NLength(80, NRelativeUnit.ParentPercentage), new NLength(58, NRelativeUnit.ParentPercentage)); // create a bar chart NBarSeries bar = (NBarSeries)chart.Series.Add(SeriesType.Bar); bar.DataLabelStyle.Visible = false; bar.Legend.Mode = SeriesLegendMode.DataPoints; OleDbConnection myConnection = null; OleDbDataReader myReader = null; try { // create a database connection object using the connection string myConnection = new OleDbConnection("PROVIDER=Microsoft.Jet.OLEDB.4.0;Data Source=" + this.MapPathSecure(this.TemplateSourceDirectory + "\\DataBinding.mdb")); // create a database command on the connection using query OleDbCommand myCommand = new OleDbCommand("select * from Sales", myConnection); // import the SalesAmount and ProductName into the bar Values and Labels myCommand.Connection.Open(); myReader = myCommand.ExecuteReader(CommandBehavior.CloseConnection); NDataSeriesCollection arrSeries = bar.GetDataSeries(DataSeriesMask.Values | DataSeriesMask.Labels, DataSeriesMask.None, false); string[] arrCollumns = { "SalesAmount", "ProductName" }; arrSeries.FillFromDataReader(myReader, arrCollumns); } finally { if (myReader != null) { myReader.Close(); } if (myConnection != null) { myConnection.Close(); } } // apply style sheet NStyleSheet styleSheet = NStyleSheet.CreatePredefinedStyleSheet(PredefinedStyleSheet.FreshMultiColor); styleSheet.Apply(nChartControl1.Document); }