protected void CategoryList_SelectedIndexChanged(object sender, EventArgs e)
{
// when the dropdown list is used in view 1, this method executes
if (CategoryList.SelectedIndex == 0)
{
errormsgs.Add("Select a category to view the category products.");
LoadMessageDisplay(errormsgs, "alert alert-info");
// assigning a null data source and binding it is a good way to clear your grid view
ProductGridViewV1.DataSource = null;
ProductGridViewV1.DataBind();
}
else
{
try
{
ProductController sysmgr = new ProductController();
List <Product> info = sysmgr.Products_GetByCategories(int.Parse(CategoryList.SelectedValue));
if (info.Count == 0)
{
errormsgs.Add("No data found for the partial product name search");
LoadMessageDisplay(errormsgs, "alert alert-info");
}
else
{
// should probably figure out how this sorting works
info.Sort((x, y) => x.ProductName.CompareTo(y.ProductName));
//GridView
ProductGridViewV1.DataSource = info;
ProductGridViewV1.DataBind();
}
}
catch (Exception ex)
{
errormsgs.Add(GetInnerException(ex).ToString());
LoadMessageDisplay(errormsgs, "alert alert-danger");
}
}
}
protected void CategoryList_SelectedIndexChanged(object sender, EventArgs e)
{
if (CategoryList.SelectedIndex == 0)
{
errormsgs.Add("Select a category to view the category products.");
LoadMessageDisplay(errormsgs, "alert alert-info");
ProductGridViewV1.DataSource = null;
ProductGridViewV1.DataBind();
}
else
{
try
{
ProductController sysmgr = new ProductController();
List <Product> info = sysmgr.Product_GetByCategory(int.Parse(CategoryList.SelectedValue));
//if (info.Count == 0)
//{
// errormsgs.Add("No data found for the partial product name search");
// LoadMessageDisplay(errormsgs, "alert alert-info");
//}
//else
//{
info.Sort((x, y) => x.ProductName.CompareTo(y.ProductName));
//GridView
ProductGridViewV1.DataSource = info;
ProductGridViewV1.DataBind();
//}
}
catch (Exception ex)
{
errormsgs.Add(GetInnerException(ex).ToString());
LoadMessageDisplay(errormsgs, "alert alert-danger");
}
}
}
