TableColumn

var tableDef = new Telerik.Reporting.Table();

tableDef.ItemDataBound += delegate(object sender, EventArgs args)
{
Telerik.Reporting.Processing.Table table = (Telerik.Reporting.Processing.Table)sender;

foreach (Telerik.Reporting.Processing.TableColumn column in table.Columns)
{
for (int rowIndex = 0; rowIndex < table.Rows.Count; rowIndex++)
{
Telerik.Reporting.Processing.ITableCell cell = column.GetCell(rowIndex);

if (cell.RowIndex == rowIndex
&& cell.ColumnIndex == column.Index)
{
Telerik.Reporting.Processing.ReportItem item = cell.Item;

// Here you can do something with the report item
}
else
{
// Do nothing. This is part of a merged table cell.
}
}
}
};

Private Sub TableDef_ItemDataBound2(ByVal sender As Object, ByVal e As EventArgs) Handles tableDef.ItemDataBound
Dim table As Telerik.Reporting.Processing.Table = DirectCast(sender, Telerik.Reporting.Processing.Table)

For Each column As Telerik.Reporting.Processing.TableColumn In table.Columns
For rowIndex As Integer = 0 To table.Rows.Count - 1
Dim cell As Telerik.Reporting.Processing.ITableCell = column.GetCell(rowIndex)

If cell.RowIndex = rowIndex AndAlso cell.ColumnIndex = column.Index Then
Dim item As Telerik.Reporting.Processing.ReportItem = cell.Item

' Here you can do something with the report item

Else

' Do nothing. This is part of a merged table cell

End If
Next
Next
End Sub