public void getSourceColumns(ISASTaskData2 taskData)
{
ISASTaskDataAccessor accessor = taskData.Accessor;
SASVariableSelector.AddVariableParams var_params;
ISASTaskDataColumn2 data_column;
accessor.Open();
for (int i = 0; i < accessor.ColumnCount; i++)
{
data_column = accessor.ColumnInfoByIndex(i) as ISASTaskDataColumn2;
var_params = var_params = getVarParms(data_column);
sasVarSelector.AddVariable(var_params);
}
accessor.Close();
}
// for the selected LIBNAME.MEMBER and COLUMN
// get the Distinct values from the data set
// This will optionally apply a format as well
// if one is specified
private void btnGetValues_Click(object sender, EventArgs e)
{
lbValues.Items.Clear();
SasColumn c = lbItems.SelectedItem as SasColumn;
SasLibrary lib = lbLibraries.SelectedItem as SasLibrary;
SasData d = lbMembers.SelectedItem as SasData;
if (c != null && lib != null)
{
// Fetch distinct values using SAS format
string format = "";
// get a handle to the selected data
ISASTaskData2 td =
Consumer.LibrefData(Consumer.AssignedServer, lib.Libref, d.Member) as ISASTaskData2;
// set the format if not blank
if (!string.IsNullOrEmpty(txtformat.Text))
{
format = txtformat.Text;
}
// this can throw an exception if the
// selected format does not match
// the data type.
try
{
lbValues.Items.AddRange(
new List <string>(
SAS.Tasks.Toolkit.Helpers.TaskDataHelpers.GetDistinctValues(Consumer, td, c.Name, format)).ToArray()
);
}
catch (SasDataException)
{
lbValues.Items.Add("<ERROR: could not fetch values>");
}
}
}