C#

//Write all records in the DB
foreach (DataRow dr in dt.Rows)
{
    for (int i = 0; i < iColCount; i++)
    {
        if (!Convert.IsDBNull(dr[i]))
        {
            sw.Write(dr[i].ToString());
        }
        if (i < iColCount - 1)
        {
            sw.Write(",");
        }
    }
    sw.Write(sw.NewLine);
}

sw.Close();

the specified node is scrolled into view and any parent nodes are expanded so that the specified node is visible.

if (0 == Tree.Nodes.Count) { return; }

TreeNode node = Tree.SelectedNode;
if (null == node) { return; }

// Required work around to make TreeView snap back
//   to the previously visible node
Tree.SelectedNode = null;

Tree.BeginUpdate();
node.Expand();
Tree.EndUpdate();

// Snap back to the Selected node
Tree.SelectedNode = node;

if (c.ds.Tables["TransID"].Rows.Count.ToString() == "0")<br />
                    TrID = 1;<br />
                else<br />
                foreach (DataRow r in c.ds.Tables["TransID"].Rows)<br />
                    {<br />
                       TrID = int.Parse(r["TransID"].ToString()) + 1;   <br />
                    }