private void Insert_Click(object sender, EventArgs e) { using (CategoriesIEF frm = new CategoriesIEF(null, db)) { if (frm.ShowDialog() == DialogResult.OK) { categoriesBindingSource.DataSource = db.Categories.ToList(); } } }
private void Edit_Click(object sender, EventArgs e) { if (categoriesBindingSource.Current == null) { return; } using (CategoriesIEF frm = new CategoriesIEF(categoriesBindingSource.Current as Categories, db)) { if (frm.ShowDialog() == DialogResult.OK) { categoriesBindingSource.DataSource = db.Categories.ToList(); } else { db = new my_db_for_db_2Entities(); categoriesBindingSource.DataSource = db.Categories.ToList(); } } }