fyiReporting.RdlDesign.SQLCtl.tvTablesColumns_ExpandTable C# (CSharp) Method

        private void tvTablesColumns_ExpandTable(TreeNode tNode)
        {
            if (tNode.Parent == null)	// Check for Tables or Views
                return;

            if (tNode.FirstNode.Text != "")	// Have we already filled it out?
                return;

            // Need to obtain the column information for the requested table/view
            // suppress redraw until tree view is complete
            tvTablesColumns.BeginUpdate();

            string sql = "SELECT * FROM " + DesignerUtility.NormalizeSqlName(tNode.Text);
            List<SqlColumn> tColumns = DesignerUtility.GetSqlColumns(_Draw, _DataSource, sql);
            bool bFirstTime = true;
            foreach (SqlColumn sc in tColumns)
            {
                if (bFirstTime)
                {
                    bFirstTime = false;
                    tNode.FirstNode.Text = sc.Name;
                }
                else
                    tNode.Nodes.Add(sc.Name);
            }

            tvTablesColumns.EndUpdate();
        }