public void DataExtractCreationTest()
{
DataTable table = new DataTable();
table.Columns.Add("IntColumn", typeof(int));
table.Columns.Add("StringColumn", typeof(string));
table.Rows.Add(1, "Row 1");
table.Rows.Add(2, "Row 2");
table.Rows.Add(3, "Row 3");
var reader = table.CreateDataReader();
using (DashboardObjectDataSource ods = new DashboardObjectDataSource())
{
ods.DataSource = new DataReaderList(reader);
using (DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource())
{
extractDataSource.ExtractSourceOptions.DataSource = ods;
extractDataSource.FileName = Path.GetTempFileName();
extractDataSource.UpdateExtractFile();
IDashboardDataSourceInternal dsi = extractDataSource;
var storage = dsi.GetStorage(null);
Assert.Equal(3, storage.RowCount);
}
}
}
public static void ConfigureDataSource(DashboardConfigurator configurator, DataSourceInMemoryStorage storage)
{
// Registers an Extract data source.
DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource("Extract Data Source");
extractDataSource.Name = "Extract Data Source";
extractDataSource.ConnectionName = "dataExtract";
storage.RegisterDataSource("extractDataSource ", extractDataSource.SaveToXml());
configurator.ConfigureDataConnection += Configurator_ConfigureDataConnection;
}
public Form1()
{
InitializeComponent();
ExtractDriverStorage.DefaultDriver = new ExtractEncryptionDriver();
DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource();
extractDataSource.ExtractSourceOptions.DataSource = CreateExcelDataSource();
extractDataSource.FileName = DateTime.Now.ToString(extractFileNamePattern);
extractDataSource.UpdateExtractFile();
dashboardViewer1.Dashboard = CreateDashboard(extractDataSource);
}
private static Dashboard CreateDashboard(DashboardExtractDataSource extractDataSource)
{
Dashboard dashboard = new Dashboard();
dashboard.DataSources.Add(extractDataSource);
PivotDashboardItem pivot = new PivotDashboardItem();
pivot.DataSource = extractDataSource;
pivot.Values.AddRange(new Measure("Extended Price"), new Measure("Quantity"));
pivot.Columns.Add(new Dimension("OrderDate", DateTimeGroupInterval.Year));
pivot.Rows.Add(new Dimension("ProductName"));
dashboard.Items.Add(pivot);
return(dashboard);
}
protected void Page_Load(object sender, EventArgs e)
{
DashboardFileStorage newDashboardStorage = new DashboardFileStorage(HostingEnvironment.MapPath(@"~/App_Data/Dashboards"));
ASPxDashboard1.SetDashboardStorage(newDashboardStorage);
ASPxDashboard1.SetConnectionStringsProvider(new ConfigFileConnectionStringsProvider());
DataSourceInMemoryStorage dataSourceStorage = new DataSourceInMemoryStorage();
DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource("Extract Data Source");
extractDataSource.ConnectionName = "edsSales";
dataSourceStorage.RegisterDataSource("extractDataSource", extractDataSource.SaveToXml());
ASPxDashboard1.SetDataSourceStorage(dataSourceStorage);
}
public static string UpdateExtractDataSource()
{
DashboardExtractDataSource ds = CreateExtractDataSource();
StringBuilder sb = new StringBuilder("We updated your extract data source. ");
var task = DashboardExtractDataSource.UpdateFile(ds,
(fileName, result) => {
sb.AppendLine($"{DateTime.Now.ToString("T")} - Data Updated - {result} - {Path.GetFileName(fileName)}. ");
},
(fileName, result) => {
sb.AppendLine($"{DateTime.Now.ToString("T")} - File Updated - {result} - {Path.GetFileName(fileName)}. ");
});
// Wait until the data is refreshed in the Extract Data Source.
task.Wait();
return(sb.ToString());
}
private static DashboardExtractDataSource CreateExtractDataSource()
{
DashboardSqlDataSource nwindDataSource = new DashboardSqlDataSource("Northwind Invoices", "nwindConnection");
SelectQuery invoicesQuery = SelectQueryFluentBuilder
.AddTable("Invoices")
.SelectColumns("City", "Country", "Salesperson", "OrderDate", "Shippers.CompanyName", "ProductName", "UnitPrice", "Quantity", "Discount", "ExtendedPrice", "Freight")
.Build("Invoices");
nwindDataSource.Queries.Add(invoicesQuery);
nwindDataSource.ConnectionOptions.CommandTimeout = 600;
DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource("Invoices Extract Data Source");
extractDataSource.ExtractSourceOptions.DataSource = nwindDataSource;
extractDataSource.ExtractSourceOptions.DataMember = "Invoices";
return(extractDataSource);
}
public CustomDataSourceStorage()
{
DashboardSqlDataSource sqlDataSource = new DashboardSqlDataSource(sqlDataSourceId, "sqlCategories");
SelectQuery query = SelectQueryFluentBuilder
.AddTable("Categories")
.SelectAllColumnsFromTable()
.Build("Categories");
query.Parameters.Add(new QueryParameter("CategoryNameStartsWith", typeof(DevExpress.DataAccess.Expression), new DevExpress.DataAccess.Expression("[Parameters.CategoryPattern]")));
sqlDataSource.Queries.Add(query);
DashboardJsonDataSource jsonDataSource = new DashboardJsonDataSource(jsonDataSourceId)
{
RootElement = "Customers",
ConnectionName = "jsonCustomers"
};
DashboardObjectDataSource objDataSource = new DashboardObjectDataSource(odsDataSourceId)
{
DataId = "odsSales"
};
DashboardOlapDataSource olapDataSource = new DashboardOlapDataSource(olapDataSourceId, "olapAdventureWorks");
DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource(extractDataSourceId)
{
ConnectionName = "extractSalesPerson"
};
DashboardExcelDataSource excelDataSource = new DashboardExcelDataSource(excelDataSourceId)
{
ConnectionName = "excelSales",
SourceOptions = new ExcelSourceOptions(new ExcelWorksheetSettings("Sheet1"))
};
DashboardEFDataSource efDataSource = new DashboardEFDataSource(efDataSourceId, new EFConnectionParameters(typeof(NorthwindDbContext)));
documents[sqlDataSourceId] = new XDocument(sqlDataSource.SaveToXml());
documents[jsonDataSourceId] = new XDocument(jsonDataSource.SaveToXml());
documents[odsDataSourceId] = new XDocument(objDataSource.SaveToXml());
documents[olapDataSourceId] = new XDocument(olapDataSource.SaveToXml());
documents[extractDataSourceId] = new XDocument(extractDataSource.SaveToXml());
documents[excelDataSourceId] = new XDocument(excelDataSource.SaveToXml());
documents[efDataSourceId] = new XDocument(efDataSource.SaveToXml());
}
private void UpdateDataExtract(IDashboardDataExtract extract)
{
if (extract == null)
{
throw new ArgumentNullException(nameof(extract));
}
if (string.IsNullOrWhiteSpace(extract.Script))
{
return;
}
using (DashboardObjectDataSource ods = new DashboardObjectDataSource())
{
ScriptDataSource dataSource = CreateScriptDataSource(extract, Application);
object data = dataSource.GetDataForDataExtract();
if (data is byte[] buffer)
{
SetDataExtractContent(extract, buffer);
return;
}
ods.DataSource = data;
string fileName = Path.GetTempFileName();
try
{
using (DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource())
{
extractDataSource.ExtractSourceOptions.DataSource = ods;
extractDataSource.FileName = fileName;
extractDataSource.UpdateExtractFile();
SetDataExtractContent(extract, File.ReadAllBytes(fileName));
if (data is ICollection collection)
{
extract.RowCount = collection.Count;
}
}
}
finally
{
if (File.Exists(fileName))
{
File.Delete(fileName);
}
}
}
}
protected static Dashboard CreateCopy(Dashboard dashboard)
{
using (Stream stream = new MemoryStream())
{
dashboard.SaveToXml(stream);
stream.Seek(0L, SeekOrigin.Begin);
Dashboard copy = new Dashboard();
copy.LoadFromXml(stream);
for (int i = 0; i < dashboard.DataSources.Count; i++)
{
IDashboardDataSource dataSource = dashboard.DataSources[i];
if (dataSource is DashboardObjectDataSource)
{
copy.DataSources[i].Data = dataSource.Data;
}
DashboardExtractDataSource extractDataSource = dataSource as DashboardExtractDataSource;
if (extractDataSource is DashboardExtractDataSource)
{
((DashboardExtractDataSource)copy.DataSources[i]).FileName = extractDataSource.FileName;
}
}
return(copy);
}
}
protected void Page_Load(object sender, EventArgs e)
{
DashboardFileStorage dashboardFileStorage = new DashboardFileStorage("~/App_Data/Dashboards");
ASPxDashboardExtract.SetDashboardStorage(dashboardFileStorage);
// Uncomment the next line to allow users to create new data sources based on predefined connection strings.
//ASPxDashboardExtract.SetConnectionStringsProvider(new DevExpress.DataAccess.Web.ConfigFileConnectionStringsProvider());
// Create a data source storage.
DataSourceInMemoryStorage dataSourceStorage = new DataSourceInMemoryStorage();
// Register an Extract data source.
DashboardExtractDataSource extractDataSource = new DashboardExtractDataSource("Extract Data Source");
extractDataSource.ConnectionName = "extractDataConnection";
dataSourceStorage.RegisterDataSource("extractDataSource ", extractDataSource.SaveToXml());
// Set the configured data source storage.
ASPxDashboardExtract.SetDataSourceStorage(dataSourceStorage);
ASPxDashboardExtract.ConfigureDataConnection += ASPxDashboardExtract_ConfigureDataConnection;
ASPxDashboardExtract.InitialDashboardId = "dashboardExtract";
}
public Form1()
{
InitializeComponent();
Dashboard dashboard = new Dashboard();
DashboardExtractDataSource dataSource = new DashboardExtractDataSource();
dataSource.FileName = @"..\..\Data\SalesDataExtract.dat";
dashboard.DataSources.Add(dataSource);
TreemapDashboardItem treeMap = new TreemapDashboardItem();
treeMap.DataSource = dataSource;
treeMap.Values.Add(new Measure("Sales"));
treeMap.Arguments.Add(new Dimension {
DataMember = "Product Category",
GroupChildValues = true
});
treeMap.Arguments.Add(new Dimension("Product Sub-Category"));
treeMap.LayoutAlgorithm = DashboardTreemapLayoutAlgorithm.Striped;
dashboard.Items.Add(treeMap);
dashboardViewer1.Dashboard = dashboard;
}
static IDashboardDataSource CreateDataSourceCopy(IDashboardDataSource dataSourceToCopy)
{
DashboardEFDataSource efDataSource = dataSourceToCopy as DashboardEFDataSource;
if (efDataSource != null)
{
XElement element = efDataSource.SaveToXml();
DashboardEFDataSource newDataSource = new DashboardEFDataSource();
newDataSource.LoadFromXml(element);
newDataSource.Fill();
return(newDataSource);
}
DashboardExcelDataSource excelDataSource = dataSourceToCopy as DashboardExcelDataSource;
if (excelDataSource != null)
{
XElement element = excelDataSource.SaveToXml();
DashboardExcelDataSource newDataSource = new DashboardExcelDataSource();
newDataSource.LoadFromXml(element);
newDataSource.Fill();
return(newDataSource);
}
DashboardExtractDataSource extractDataSource = dataSourceToCopy as DashboardExtractDataSource;
if (extractDataSource != null)
{
XElement element = extractDataSource.SaveToXml();
DashboardExtractDataSource newDataSource = new DashboardExtractDataSource();
newDataSource.LoadFromXml(element);
return(newDataSource);
}
DashboardObjectDataSource objectDataSource = dataSourceToCopy as DashboardObjectDataSource;
if (objectDataSource != null)
{
XElement element = objectDataSource.SaveToXml();
DashboardObjectDataSource newDataSource = new DashboardObjectDataSource();
newDataSource.LoadFromXml(element);
newDataSource.Fill();
return(newDataSource);
}
DashboardOlapDataSource olapDataSource = dataSourceToCopy as DashboardOlapDataSource;
if (olapDataSource != null)
{
XElement element = olapDataSource.SaveToXml();
DashboardOlapDataSource newDataSource = new DashboardOlapDataSource();
newDataSource.LoadFromXml(element);
newDataSource.Fill();
return(newDataSource);
}
DashboardSqlDataSource sqlDataSource = dataSourceToCopy as DashboardSqlDataSource;
if (sqlDataSource != null)
{
XElement element = sqlDataSource.SaveToXml();
DashboardSqlDataSource newDataSource = new DashboardSqlDataSource();
newDataSource.LoadFromXml(element);
newDataSource.Fill();
return(newDataSource);
}
return(null);
}