protected void gdvtweet_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
int id = Convert.ToInt32(gdvtweet.DataKeys[e.RowIndex].Value.ToString());
int index = gdvtweet.EditIndex;
GridViewRow row = gdvtweet.Rows[index];
TextBox uptweet = row.FindControl("TextBox1") as TextBox;
m.UpdTweet(id, uptweet.Text);
gdvtweet.EditIndex = -1;
List <Tweet> twee = m.getTweet(per.user_id);
gdvtweet.DataSource = twee;
gdvtweet.DataBind();
}
