private void btnUpdateTransformationPreview_Click(object sender, RoutedEventArgs e)
{
try
{
int columnIndex = datastore.Metadata.Columns[this.configuration.InputXmlColumn].ColumnIndex;
string originalDataStore = (string)datastore[0][columnIndex];
int originalRowCount = datastore.Count;
tbTransformedXml.Text = XmlTransformation.TransformXml(tbInputData.Text, this.configuration.TransformationXslt);
var transformationLog = XmlTransformation.TransformToDatastore(datastore, this.configuration.TransformationXslt, this.configuration.InputXmlColumn, true);
this.DataPreviewGrid.DataContext = DatastoreHelper.ConvertDatastoreToTable(this.datastore, 10000, new string[] { this.configuration.InputXmlColumn }, transformationLog.RowNumbersToHide.ToArray());
foreach (var newColumn in transformationLog.NewColumns)
{
datastore.RemoveColumn(newColumn);
}
for (int rowIndex = datastore.Count - 1; rowIndex != originalRowCount - 1; rowIndex--)
{
datastore.RemoveDataAt(rowIndex);
}
datastore[0][columnIndex] = originalDataStore;
}
catch (Exception ex)
{
string errorMessage = "An error occured while transforming:\n\n" + ex.Message;
if (ex.InnerException != null)
{
errorMessage += ex.InnerException.Message;
}
MessageBox.Show(errorMessage);
}
}
public void ExecuteItem(DesignerItemBase item, RunLog runLog)
{
var incomingConnections = FlowGraph.GetIncomingConnections(item);
var outgoingConnections = FlowGraph.GetOutgoingConnections(item);
List <IDatastore> dataStores = new List <IDatastore>();
if (item.ModuleDescription.Attributes.ModuleType == ModuleType.Source)
{
var dataStore = InitializeDatastore();
dataStores.Add(dataStore);
}
else
{
foreach (var incomingConnection in incomingConnections.OrderBy(t => t.SinkConnectorName))
{
dataStores.Add(DataStreams[incomingConnection]);
DataStreams.Remove(incomingConnection);
}
}
var returnedDataStore = moduleExecution.ExecuteDesignerItem(item, dataStores, ReportProgressMethod);
for (int i = 0; i < outgoingConnections.Count; i++)
{
if (i == 0)
{
DataStreams.Add(outgoingConnections[i], returnedDataStore);
}
else
{
var targetDatastore = InitializeDatastore();
DatastoreHelper.CopyDatastore(returnedDataStore, targetDatastore);
DataStreams.Add(outgoingConnections[i], targetDatastore);
}
}
}
public DataPreviewWindow(IDatastore datastore)
{
InitializeComponent();
this.DataPreviewGrid.DataContext = DatastoreHelper.ConvertDatastoreToTable(datastore, 10000);
}
