public static void WriteTo(TextWriter writer, TemplateResult content)
{
if (content != null)
{
content.WriteTo(writer);
}
}
public TemplateResult RenderSection(string name, bool required)
{
EnsurePageCanBeRequestedDirectly("RenderSection");
if (PreviousSectionWriters.ContainsKey(name))
{
var result = new TemplateResult(tw => {
if (_renderedSections.Contains(name))
{
throw new HttpException(String.Format("WebPageResources.WebPage_SectionAlreadyRendered {0}", name));
}
var body = PreviousSectionWriters[name];
// Since the body can also call RenderSection, we need to temporarily remove
// the current sections from the stack.
var top = SectionWritersStack.Pop();
bool pushed = false;
try
{
if (Output != tw)
{
OutputStack.Push(tw);
pushed = true;
}
body();
}
finally
{
if (pushed)
{
OutputStack.Pop();
}
}
SectionWritersStack.Push(top);
_renderedSections.Add(name);
});
return(result);
}
else if (required)
{
// If the section is not found, and it is not optional, throw an error.
throw new HttpException(String.Format("WebPageResources.WebPage_SectionNotDefined {0}", name));
}
else
{
// If the section is optional and not found, then don't do anything.
return(null);
}
}
protected override void Write(TemplateResult result)
{
WriteTo(Output, result);
}
public static void WriteTo(TextWriter writer, TemplateResult content)
{
if (content != null)
content.WriteTo(writer);
}
protected abstract void Write(TemplateResult result);
protected abstract void Write(TemplateResult result);