protected void Button1_Click(object sender, EventArgs e)

        {

            try

            {

              //  myinfo.Attributes.Add("style", "display:block;width:200px;margin:0px auto;text-align:center;font-size:16px;color:green;font-weight:bold");

                lblemp_name.Text = string.Empty;

            lbldept_name.Text = string.Empty;

            dt = adp.GetDataBy_att(txtfromdate.Text.Trim(), txttodate.Text.Trim(), Convert.ToDecimal(txtemp_no.Text.Trim()));

            myDataSet01 ds = new myDataSet01();

            ds.ATTENDANCE.Clear();

            adp.FillBy_att(ds.ATTENDANCE, txtfromdate.Text.Trim(), txttodate.Text.Trim(), Convert.ToDecimal(txtemp_no.Text.Trim()));

            if (ds.ATTENDANCE.Count > 0)

            {

                if (!dt[0].IsDPT_DESCNull())

                                   lbldept_name.Text = dt[0].DPT_DESC.ToString();

                if(!dt[0].IsEMP_NAMENull()) 

                lblemp_name.Text = dt[0].EMP_NAME.ToString();

                        Session["ds"] = ds.ATTENDANCE;

                        GridView1.DataSource = ds.ATTENDANCE.DefaultView;

                        GridView1.DataBind();

                lblmsg.Text = String.Empty;

            }

            else

            {

                lblmsg.Text = "يوجد خطا او  الرقم غير موجود";

                ds.ATTENDANCE.Clear();

                GridView1.DataSource = ds;

                GridView1.DataBind();

            }

            }

            catch

            {

                lblmsg.Text = "حدث خطا اثناء تنفيذ البرنامج";

            }

        }