/// <summary>
/// Renders the contents inside the control begin and end tags.
/// </summary>
protected override void RenderContents(IHtmlWriter writer, RenderContext context)
{
var dataSourceBinding = GetDataSourceBinding();
if (RenderOnServer)
{
// render on server
var index = 0;
foreach (var child in Children)
{
context.PathFragments.Push(dataSourceBinding.GetViewModelPathExpression(this, DataSourceProperty) + "[" + index + "]");
Children[index].Render(writer, context);
context.PathFragments.Pop();
index++;
}
}
else
{
// render on client
var placeholder = new DataItemContainer { DataContext = null };
placeholder.SetValue(Internal.IsDataContextBoundaryProperty, true);
Children.Add(placeholder);
ItemTemplate.BuildContent(context.RequestContext, placeholder);
context.PathFragments.Push(dataSourceBinding.GetViewModelPathExpression(this, DataSourceProperty) + "[$index]");
placeholder.Render(writer, context);
context.PathFragments.Pop();
}
}
protected override void RenderContents(IHtmlWriter writer, RenderContext context)
{
if (Children.Count == 0) return;
// render the header
Children[0].Render(writer, context);
// render body
var dataSourceBinding = GetDataSourceBinding();
if (!RenderOnServer)
{
var expression = dataSourceBinding.TranslateToClientScript(this, DataSourceProperty);
writer.AddKnockoutForeachDataBind(expression);
}
writer.RenderBeginTag("tbody");
// render contents
if (RenderOnServer)
{
// render on server
var index = 0;
foreach (var child in Children.Skip(1))
{
context.PathFragments.Push(dataSourceBinding.GetViewModelPathExpression(this, DataSourceProperty) + "[" + index + "]");
Children[index].Render(writer, context);
context.PathFragments.Pop();
index++;
}
}
else
{
// render on client
for (var i = Children.Count - 1; i > 0; i--)
{
Children.RemoveAt(i);
}
var placeholder = new DataItemContainer();
placeholder.SetValue(Internal.IsDataContextBoundaryProperty, true);
Children.Add(placeholder);
CreateRow(context.RequestContext, placeholder);
context.PathFragments.Push(dataSourceBinding.GetViewModelPathExpression(this, DataSourceProperty) + "[$index]");
placeholder.Render(writer, context);
context.PathFragments.Pop();
}
writer.RenderEndTag();
}