private void addToolStripMenuItem3_Click(object sender, EventArgs e)
{
frmNewsAdd frm = new frmNewsAdd();
frm.MdiParent = this;
frm.Show();
}
private async void dgvUserNews_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
{
frmNewsSearchVM item = dgvUserNews.SelectedRows[0].DataBoundItem as frmNewsSearchVM;
var x = await _serviceNews.GetById <News>(item.Id);
frmNewsAdd frm = new frmNewsAdd(x);
frm.WindowState = FormWindowState.Normal;
frm.Show();
}