/// <summary>
/// 获取错误提示信息
/// </summary>
/// <param name="modelStates">ModelStateDictionary</param>
/// <param name="field">字段名</param>
/// <returns></returns>
public static string GetErrorMessage(this ModelStateDictionary modelStates, string field)
{
ModelState state;
modelStates.TryGetValue(field, out state);
return(state.FirstErrorMessage());
}
/// <summary>
/// 获取错误提示信息
/// </summary>
/// <param name="modelStates">ModelStateDictionary</param>
/// <param name="field">字段名</param>
/// <returns></returns>
public static string GetErrorMessage(this ModelStateDictionary modelStates, string field)
{
ModelStateEntry state;
modelStates.TryGetValue(field, out state);
if (state == null)
{
return(null);
}
return(state.Errors.FirstOrDefault().ErrorMessage);
}
private static IEnumerable <ModelState> GetValues(HtmlHelper htmlHelper, bool excludePropertyErrors, ModelStateDictionary modelState, IEnumerable <ModelState> faulted)
{
IEnumerable <ModelState> values = null;
if (excludePropertyErrors)
{
ModelState state;
modelState.TryGetValue(htmlHelper.ViewData.TemplateInfo.HtmlFieldPrefix, out state);
if (state != null)
{
values = new ModelState[] { state };
}
}
else
{
values = faulted;
}
return(values);
}
