Ambiguous between the datatables

Question

Hi All,
I got the following error in my application. is there DataTable in Excel class also..


Error 1 'DataTable' is an ambiguous reference between 'Microsoft.Office.Interop.Excel.DataTable' and 'System.Data.DataTable' C:\Documents and Settings\smoorthy\My Documents\Visual Studio 2008\WebSites\EmployeeInfo\Home.aspx.cs 15 5 C:\...\EmployeeInfo\