protected void insertCategory_Click(object sender, EventArgs e)
{
var context = new TodoListEntities();
var category = new Category() { Name = this.categoryName.Text };
context.Categories.Add(category);
context.SaveChanges();
}
protected void editCategory_Click(object sender, EventArgs e)
{
var id = int.Parse(this.categoriesList.SelectedItem.Value);
var context = new TodoListEntities();
var category = context.Categories.FirstOrDefault(x => x.Id == id);
category.Name = this.categoryName.Text;
context.SaveChanges();
}
