private void LoadSomeData(String s)
{
twDataItems.Nodes.Clear();
List <DataClass> items = DataClass.GetSomeData(CompanyClass.GetAllCompanyWithName(s));
foreach (DataClass dc in items)
{
TreeNode tn = new TreeNode(CompanyClass.GetCompanyNameByCompanyIDAsString(DataClass.GetCompanyIDFromDataIDAsString(dc.DataID)) + dc.DataWeight.ToString() + "g " + dc.DataTime);
tn.Tag = dc;
twDataItems.Nodes.Add(tn);
}
}