/// <summary>
/// Определяет, существует ли в информации о проверке модели данных указанный ключ <paramref name="key"/> и проверяет,
/// были ли найдены ошибки валидации для данного ключа.
/// </summary>
/// <param name="modelState"></param>
/// <param name="key"></param>
/// <returns>Возвращает true, если данные формы для ключа <paramref name="key"/> не прошли валидацию.</returns>
public static bool ContainsKeyError(this ModelStateDictionary modelState, string key)
{
if (modelState.ContainsKey(key))
{
return(modelState[key].Errors.Count > 0);
}
return(false);
}
public static void ParseValidateFor(this ModelStateDictionary modelState, string expressionText)
{
ModelErrorCollection errors;
if ((modelState.ContainsKey(expressionText)) && ((errors = modelState[expressionText].Errors) != null) && (errors.Count > 0))
{
foreach (var error in new List <ModelError>(errors))
{
string errorMessage = error.ErrorMessage;
if (!errorMessage.StartsWith("JSER:"))
{
continue;
}
errors.Remove(error);
var serializer = new JavaScriptSerializer();
var data = serializer.DeserializeObject(errorMessage.Substring(5));
ApplyValidateValue(modelState, expressionText, data);
}
}
}
/// <summary>
/// Validations the summary.
/// </summary>
/// <param name="htmlHelper">The HTML helper.</param>
/// <param name="groupName">Name of the group.</param>
/// <param name="excludePropertyErrors">if set to <c>true</c> [exclude property errors].</param>
/// <param name="message">The message.</param>
/// <param name="htmlAttributes">The HTML attributes.</param>
/// <returns></returns>
public static MvcHtmlString ValidationSummary(this HtmlHelper htmlHelper, string groupName, bool excludePropertyErrors, string message, IDictionary <string, object> htmlAttributes)
{
#region Validate Arguments
if (htmlHelper == null)
{
throw new ArgumentNullException("htmlHelper");
}
groupName = groupName ?? string.Empty;
#endregion
string[] groupNames = groupName.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(s => s.Trim()).ToArray();
if (htmlAttributes == null)
{
htmlAttributes = HtmlHelper.AnonymousObjectToHtmlAttributes(null);
}
htmlAttributes["data-val-valgroup-name"] = groupName;
object model = htmlHelper.ViewData.Model;
ModelStateDictionary modelState = htmlHelper.ViewData.ModelState;
bool canValidate = !modelState.ContainsKey(ValidationGroupsKey) ||
(groupNames.Any() && ((IEnumerable <string>)modelState[ValidationGroupsKey].Value.RawValue).Intersect(groupNames).Any()) ||
(!groupNames.Any());
IEnumerable <ModelState> faulted = canValidate ? GetFaultedModelStates(htmlHelper, groupNames, model) : Enumerable.Empty <ModelState>();
FormContext formContextForClientValidation = htmlHelper.ViewContext.ClientValidationEnabled ? htmlHelper.ViewContext.FormContext : null;
if (!canValidate || !faulted.Any())
{
if (formContextForClientValidation == null)
{
return(null);
}
}
string str = InitializeResponseString(message);
IEnumerable <ModelState> values = GetValues(htmlHelper, excludePropertyErrors, modelState, faulted);
TagBuilder builder3 = AddValidationMessages(htmlHelper, values);
TagBuilder tagBuilder = new TagBuilder("div");
tagBuilder.MergeAttributes <string, object>(htmlAttributes);
tagBuilder.AddCssClass("validation-summary");
tagBuilder.AddCssClass(!faulted.Any() ? HtmlHelper.ValidationSummaryValidCssClassName : HtmlHelper.ValidationSummaryCssClassName);
tagBuilder.InnerHtml = str + builder3.ToString(TagRenderMode.Normal);
if (formContextForClientValidation != null)
{
if (htmlHelper.ViewContext.UnobtrusiveJavaScriptEnabled)
{
if (!excludePropertyErrors)
{
tagBuilder.MergeAttribute("data-valmsg-summary", "true");
}
}
else
{
tagBuilder.GenerateId("validationSummary");
formContextForClientValidation.ValidationSummaryId = tagBuilder.Attributes["id"];
formContextForClientValidation.ReplaceValidationSummary = !excludePropertyErrors;
}
}
return(new MvcHtmlString(tagBuilder.ToString(TagRenderMode.Normal)));
}