string conStr = "Provider=Microsoft.JET.OLEDB.4.0;data source= " + Application.StartupPath + "\\Patients2000.mdb";
string sqlStr = "SELECT * FROM Patients";
System.Data.OleDb.OleDbConnection conn = new System.Data.OleDb.OleDbConnection(conStr);
DataSet ds = new DataSet();
System.Data.OleDb.OleDbDataAdapter da = new System.Data.OleDb.OleDbDataAdapter(sqlStr, conn);
fpSpread1.ActiveSheet.DataAutoSizeColumns = false;
fpSpread1.ActiveSheet.DataMember = "Patients";
da.Fill(ds);
fpSpread1.ActiveSheet.DataSource = ds;
DialogResult dlg;
dlg = MessageBox.Show("Do you want to add a row to the data source?", "AddRowToDataSource", MessageBoxButtons.YesNo);
if (dlg == DialogResult.Yes)
{
fpSpread1.ActiveSheet.AddUnboundRows(1, 2);
fpSpread1.ActiveSheet.SetValue(2, 0, "Daly");
fpSpread1.ActiveSheet.SetValue(2, 1, "John");
fpSpread1.ActiveSheet.SetValue(2, 2, "111390");
fpSpread1.ActiveSheet.SetValue(2, 3, "12 Courtney Place");
fpSpread1.ActiveSheet.AddRowToDataSource(2, true);
}