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codingbadger/MvcExtensions.cs

Last active September 21, 2017 09:52
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EditorFor and DisplayFor when using custom templates and IEnumerables
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MvcExtensions.cs
public static class MvcExtensions
{
public static MvcHtmlString EditorForEnumerable<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, IEnumerable<TValue>>> expression, string templateName)
{
var fieldName = html.NameFor(expression).ToString();
var items = expression.Compile()(html.ViewData.Model);
return new MvcHtmlString(string.Concat(items.Select((item, i) => html.EditorFor(m => item, templateName, fieldName + '[' + i + ']'))));
}
public static MvcHtmlString DisplayForEnumerable<TModel, TValue>(this HtmlHelper<TModel> html, Expression<Func<TModel, IEnumerable<TValue>>> expression, string templateName)
{
var fieldName = html.NameFor(expression).ToString();
var items = expression.Compile()(html.ViewData.Model);
return new MvcHtmlString(string.Concat(items.Select((item, i) => html.DisplayFor(m => item, templateName, fieldName + '[' + i + ']'))));
}
}
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