public void SaveData()
{
for (int i = 0; i < gvDropOut.Rows.Count; i++)
{
string strDropoutRateID = ((Label)gvDropOut.Rows[i].FindControl("lblDropoutRateID")).Text;
string strDropOutRateNew = ((TextBox)gvDropOut.Rows[i].FindControl("txtDropOutRate")).Text;
string strDropOutRateOld = ((Label)gvDropOut.Rows[i].FindControl("lblOldDropOutRate")).Text;
if (strDropOutRateNew != strDropOutRateOld)
{
string message = bi.UpdateDegradedDropOutRates(strDropoutRateID, strDropOutRateNew);
}
}
}