protected void Tweet_RowUpdate_Click(Object sender, GridViewUpdateEventArgs e)
{
// Retrieve the row that raised the event from the Rows
GridViewRow row = modifyTweet.Rows[e.RowIndex];
//retrieve roll number from that row (key-non editable)
int Tweetid = Convert.ToInt32(row.Cells[1].Text.ToString());
//get the new values from that row
string NewTweetstr = e.NewValues["tweetstr"].ToString();
string NewTime = e.NewValues["time"].ToString();
Message.Text = Tweetid + NewTweetstr + NewTime;
//=====updating the newly entered values in database====
enter obj = new enter();
int result = obj.UpdateTweet(Tweetid, NewTweetstr, NewTime);
//reload the page======================================================
modifyUser.EditIndex = -1;
loadGrid();
Message.Text = "TweetID = " + Tweetid + "'s info updated";
}