private void btnAdd_Click(object sender, EventArgs e) { Category obj = new Category(); obj.CategoryName = txtCategoryName.Text; model.AddToCategories(obj); model.SaveChanges(); LoadData(); }
private void btnSave_Click(object sender, EventArgs e) { if (CheckError()) { GetData(); if (_itemEdit.CategoryID == -1) { _model.AddToCategories(_itemEdit); } _model.SaveChanges(); this.DialogResult = DialogResult.OK; } }
private void btnDelete_Click(object sender, EventArgs e) { if (tvData.SelectedNode != null) { if (MessageBox.Show("Do you want delete this item ?", "Delete", MessageBoxButtons.YesNo) == DialogResult.Yes) { int id = Convert.ToInt32(tvData.SelectedNode.Tag); Category obj = _model.Categories.FirstOrDefault(c => c.CategoryID == id); _model.DeleteObject(obj); _model.SaveChanges(); LoadData(); } } }