public void btnExel_Click(object sender, EventArgs e)
        {
            btnExel.Enabled = false;
            btnExel.Text    = "Gözləyin...";
            SaveFileDialog sfd = new SaveFileDialog();

            sfd.Filter   = "Excel Documents (*.xls)|*.xls";
            sfd.FileName = "export.xls";
            if (sfd.ShowDialog() == DialogResult.OK)
            {
                addData(this.activations);
                if (message != "")
                {
                    this.lblError.ForeColor = Color.Red;
                    this.lblError.Text      = message;
                    this.btnExel.Text       = "Yadda saxla exel";
                    return;
                }
                this.lblError.ForeColor = Color.LimeGreen;
                this.lblError.Text      = "Uğurla tamamlandi";
                Extentions.Export_data(this.dgvData, sfd.FileName);
            }
            btnExel.Text = "Bitdi";
        }