protected void GVinformation_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string name = GVinformation.DataKeys[e.RowIndex].Value.ToString().Trim();
string phone = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[1].Controls[0])).Text.Trim();
string methed = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[2].Controls[0])).Text.Trim();
string maingoods = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[3].Controls[0])).Text.Trim();
string qulity = ((TextBox)(GVinformation.Rows[e.RowIndex].Cells[4].Controls[0])).Text.Trim();
users us = new users();
us.name = name;
us.phone = phone;
us.methed = methed;
us.maingoods = maingoods;
us.qulity = qulity;
us.UpdaCompany_information(us);
}