protected void AddCategoryButton_Click(object sender, EventArgs e)
{
ErrorMessages.InnerHtml = string.Empty;
QuoteListWrapper wrapper = new QuoteListWrapper();
Quote quote = (Quote)wrapper.GetQuoteById(GetQuoteId());
if (quote.Categories.Contains(CategoryToAddText.Text))
{
ErrorMessages.InnerHtml = "<br>The category you are adding already exists in the list.";
return;
}
//Update our data structure
quote.Categories.Add(CategoryToAddText.Text);
wrapper.UpdateQuote(quote);
//Clear the textbox
CategoryToAddText.Text = string.Empty;
//Show the change to the user
InitializeControl();
}
protected void RemoveButton_Click(object sender, EventArgs e)
{
Button clicked = (Button)sender;
if (clicked == null)
return;
if (clicked.CommandName == null)
return;
QuoteListWrapper wrapper = new QuoteListWrapper();
Quote quote = (Quote)wrapper.GetQuoteById(GetQuoteId());
if (quote.Categories.Contains(clicked.CommandName))
{
quote.Categories.Remove(clicked.CommandName);
}
//update our data structure
wrapper.UpdateQuote(quote);
//Show the change to the user
InitializeControl();
}
private void InitializeControl()
{
string QuoteId = GetQuoteId();
QuoteListWrapper wrapper = new QuoteListWrapper();
IQuote quote = wrapper.GetQuoteById(QuoteId);
List<CategoryWrapper> catList = new List<CategoryWrapper>();
foreach (string category in quote.Categories)
{
CategoryWrapper wrap = new CategoryWrapper();
wrap.Text = category;
catList.Add(wrap);
}
ListView1.DataSource = catList;
ListView1.DataBind();
}