private void btnAdd_Click(object sender, EventArgs e)
{
string position;
std st = new std();
st.stdno = txtstdno.Text.Trim();
st.reg_date = txtreg_date.Text;
st.name = txtname.Text.Trim();
st.father = txtfather.Text.Trim();
st.idno = txtidno.Text.Trim();
st.degree = txtdegree.Text.Trim();
st.course = txtcourse.Text.Trim();
st.birthdate = txtbirthdate.Text;
st.job = txtjob.Text.Trim();
st.tel = txttel.Text.Trim();
st.mob = txtmob.Text.Trim();
st.address = txtaddress.Text.Trim();
st.resume = txtresume.Text.Trim();
st.status = txtstatus.Text;
st.hesab = long.Parse(txthesab.Text);
st.flag = flag;
st.photo = photo;
st.Add();
std_history sickh = new std_history();
sickh.ghabz_id = "-";
sickh.sharh = "مانده اولیه";
sickh.date = cur_date;
sickh.stdno = txtstdno.Text;
sickh.tashkhis = txtstatus.Text.Trim();
sickh.mandeh = long.Parse(txthesab.Text);
sickh.Add_firstly();
FillDataSetAndView();
BindFields();
// Set the record position
// to the one that you saved...
objCurrencyManager.Position = objCurrencyManager.Count - 1;
// Show the current record position...
ShowPosition();
// Display a message that the record was added...
toolStripStatusLabel1.Text = "عملیات درج رکورد با موفقیت انجام شد";
// Save the current record position...
position = objCurrencyManager.Position.ToString();
btnNew_Click(null, null);
}