把Excel文件中的数据读入到DataGrid中

private DataSet CreateDataSource()
{
string strConn;
strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=C://Inetpub//wwwroot//contacts.xls;"+
"Extended Properties=Excel 8.0;";
OleDbConnection conn = new OleDbConnection(strConn);
OleDbDataAdapter myCommand = new OleDbDataAdapter("SELECT * FROM [ContactList$]", strConn);
DataSet myDataSet = new DataSet();
myCommand.Fill(myDataSet);
return myDataSet;
}

public void Page_Load(Object sender, EventArgs e)
{
if (!IsPostBack)
{
mygrid.DataSource = CreateDataSource();
mygrid.DataBind();
}

}