private GroupTreeItem MakeGroupTree(GroupHeaderBand groupBand)
{
GroupTreeItem rootItem = new GroupTreeItem(null);
DataSourceBase dataSource = groupBand.DataSource;
bool isFirstRow = true;
// cycle through rows
dataSource.First();
while (dataSource.HasMoreRows)
{
if (isFirstRow)
{
InitGroupItem(groupBand, rootItem);
}
else
{
CheckGroupItem(groupBand, rootItem);
}
dataSource.Next();
isFirstRow = false;
if (Report.Aborted)
{
break;
}
}
// reset datasource
dataSource.First();
return(rootItem);
}
private void InitializeSecondPassData()
{
foreach (Base c in Report.Dictionary.AllObjects)
{
if (c is DataSourceBase)
{
DataSourceBase data = c as DataSourceBase;
if (data.RowCount > 0)
{
data.First();
}
}
}
}
/// <summary>
/// Returns list of values that can be used to fill control with data.
/// </summary>
/// <param name="dataSource">The data source.</param>
/// <param name="column">The data column.</param>
/// <returns>List of string values.</returns>
/// <remarks>
/// This method is used by the <b>FillData</b> method to fill list-type controls
/// such as ListBox with data. The result list contains distinct values.
/// </remarks>
protected string[] GetListOfData(DataSourceBase dataSource, Column column)
{
List <string> list = new List <string>();
Hashtable uniqueValues = new Hashtable();
dataSource.First();
while (dataSource.HasMoreRows)
{
string value = column.Value.ToString();
if (!uniqueValues.ContainsKey(value))
{
list.Add(value);
uniqueValues.Add(value, null);
}
dataSource.Next();
}
return(list.ToArray());
}
