/// <summary>
/// Generates the HTML for the Grid control based on the specified <paramref name="partial"/> view, or
/// <paramref name="fallbackPartial"/> if <paramref name="partial"/> could not be found.
/// </summary>
/// <param name="helper">The <see cref="HtmlHelper"/> used for rendering the Grid control.</param>
/// <param name="partial">The alias or virtual path to the partial view for rendering the Grid control.</param>
/// <param name="fallbackPartial">The fallback partial view to be used if <paramref name="partial"/> isn't found.</param>
/// <returns>An instance of <see cref="T:System.Web.HtmlString" />.</returns>
public HtmlString GetHtmlOrFallback(HtmlHelper helper, string partial, string fallbackPartial)
{
// Some input validation
if (helper == null)
{
throw new ArgumentNullException(nameof(helper));
}
if (String.IsNullOrWhiteSpace(partial))
{
throw new ArgumentNullException(nameof(partial));
}
// If the control isn't valid, we shouldn't render it
if (!IsValid)
{
return(new HtmlString(""));
}
// Get a wrapper for the control
GridControlWrapper wrapper = GridContext.Current.GetControlWrapper(this);
// If the wrapper is NULL, we shouldn't render the control
if (wrapper == null)
{
return(new HtmlString(""));
}
// Prepend the path to the "Editors" folder if not already specified
if (GridUtils.IsValidPartialName(partial))
{
partial = "TypedGrid/Editors/" + partial;
}
// Prepend the path to the "Editors" folder if not already specified
if (GridUtils.IsValidPartialName(fallbackPartial))
{
fallbackPartial = "TypedGrid/Editors/" + fallbackPartial;
}
// Render the partial view
return(helper.ViewExists(partial) ? helper.Partial(partial, wrapper) : helper.Partial(fallbackPartial, wrapper));
}
/// <summary>
/// Generates the HTML for the Grid row.
/// </summary>
/// <param name="helper">The <see cref="HtmlHelper"/> used for rendering the Grid row.</param>
/// <param name="partial">The alias or virtual path to the partial view for rendering the Grid row.</param>
/// <returns>Returns the Grid row as an instance of <see cref="HtmlString"/>.</returns>
public HtmlString GetHtml(HtmlHelper helper, string partial)
{
// Some input validation
if (helper == null)
{
throw new ArgumentNullException(nameof(helper));
}
if (String.IsNullOrWhiteSpace(partial))
{
throw new ArgumentNullException(nameof(partial));
}
// Prepend the path to the "Sections" folder if not already specified
if (GridUtils.IsValidPartialName(partial))
{
partial = "TypedGrid/Sections/" + partial;
}
// Render the partial view
return(helper.Partial(partial, this));
}
