private void btnnew_Click(object sender, EventArgs e)
{
FormStudent fs = new FormStudent();
fs.ShowDialog();
FormDataGridStudent_Load(null, null);
}
private void btnedit_Click(object sender, EventArgs e)
{
string ed = dgvstu[0, dgvstu.CurrentRow.Index].Value.ToString();
Student s = new Student();
s.stid = int.Parse(ed);
DataTable dt = s.selectone();
FormStudent fs = new FormStudent();
fs.txtid.Text = dt.Rows[0]["stid"].ToString();
fs.txtname.Text = dt.Rows[0]["stname"].ToString();
fs.txtfamily.Text = dt.Rows[0]["stfamily"].ToString();
fs.txtaddress.Text = dt.Rows[0]["staddress"].ToString();
fs.txttell.Text = dt.Rows[0]["sttell"].ToString();
fs.txtgender.Text = dt.Rows[0]["stgender"].ToString();
fs.txtfield.Text = dt.Rows[0]["fid"].ToString();
fs.txtid.ReadOnly = true;
fs.btninsert.Text = "ویرایش";
fs.ShowDialog();
FormDataGridStudent_Load(null, null);
}