DataSet ds=new DataSet();
try
{
string strCon = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:/test.xls;Extended Properties='Excel
8.0;HDR=YES;IMEX=1'";
OleDbConnection oleCon = new OleDbConnection(strCon);
oleCon.Open();
OleDbDataAdapter oleDA = new OleDbDataAdapter("select * from [sheet$]", oleCon);
oleDA.Fill(ds);
｝
catch (Exception ex)
{
MessageBox.Show(ex.Message + ex.Source + ex.InnerException);
}