private Dictionary <string, object> GetKeyValueDictSync <TDict, TKey>(List <TDict> keyValueList, Expression <Func <TDict, TKey> > keyProperty)
{
var keyPropertyName = PropertyLambda.For(keyProperty);
var keyPropertyInfo = typeof(TDict).GetProperty(keyPropertyName);
var cacheKey = string.Format("{0}.{1}", typeof(TDict).FullName, keyPropertyName);
if (!this.KeyValueCacheDict.ContainsKey(cacheKey))
{
lock (syncObj)
{
if (!this.KeyValueCacheDict.ContainsKey(cacheKey))
{
Dictionary <string, object> keyValueDict = new Dictionary <string, object>();
foreach (var item in keyValueList)
{
var keyItem = keyPropertyInfo.GetValue(item, null);
var keyString = keyItem == null ? string.Empty : keyItem.ToString().TrimOrEmpty();
if (!keyValueDict.ContainsKey(keyString))
{
keyValueDict.Add(keyString, item);
}
}
this.KeyValueCacheDict.Add(cacheKey, keyValueDict);
}
}
}
return(this.KeyValueCacheDict[cacheKey]);
}
public static string PropertyName <TModel, TProperty>(this HtmlHelper <TModel> helper, Expression <Func <TModel, TProperty> > expression)
{
return(PropertyLambda.For(expression));
}