write datagrid header text in code view

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ASP.NET

hi sir,

in my web app i am display Excel data to Datagrid. its working fine.
datagrid cells header text is displayed column names of Excel sheet
data.

but my aim is i want to display other names for my datagrid cells Header Text.

my code is:

String strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=C:\\Book2.xls;" +
"Extended Properties=Excel 8.0;";
DataSet ds = new DataSet();

OleDbDataAdapter da = new OleDbDataAdapter
("SELECT * FROM [Sheet1$]", strConn); 

da.Fill(ds);
DataGrid2.DataSource = ds.Tables[0].DefaultView;
DataGrid2.DataBind();

please give me a solution

Thanks.