protected void CategoriesDropDownList_OnSelectedIndexChanged(object sender, EventArgs e) { var category = this.CategoriesDropDownList.SelectedValue; if (this.CategoriesDropDownList.SelectedIndex == 0) { category = null; } var args = new ProductListEventArgs(category); this.CategoryChanged?.Invoke(this, args); }
protected void Page_Load(object sender, EventArgs e) { var args = new ProductListEventArgs(null); this.MyInit?.Invoke(this, args); }