public static QueryDictionary <StringValues> Convert(IQueryCollection collection)
{
QueryDictionary <StringValues> dictionary = new QueryDictionary <StringValues>();
foreach (var element in collection)
{
if (dictionary.ContainsKey(element.Key))
{
dictionary[element.Key] = StringValues.Concat(dictionary[element.Key], element.Value);
}
else
{
dictionary.Add(element.Key, element.Value);
}
}
// creare a consecutive sortValues
var sortings = dictionary.Get(ColumnOrderValue.DefaultSortingQueryParameter);
if (sortings.Count > 0)
{
// get sortValues from Query
var sortValues = new DefaultOrderColumnCollection();
foreach (string sorting in sortings)
{
ColumnOrderValue column = CreateColumnData(sorting);
if (column != ColumnOrderValue.Null)
{
sortValues.Add(column);
}
}
// creare a consecutive sortValues
var sortList = sortValues.OrderBy(r => r.Id).ToList();
int i = 0;
sortValues = new DefaultOrderColumnCollection();
foreach (var sortItem in sortList)
{
i++;
var column = new ColumnOrderValue
{
ColumnName = sortItem.ColumnName,
Direction = sortItem.Direction,
Id = i
};
sortValues.Add(column);
}
// update query with new sortValues
dictionary.Remove(ColumnOrderValue.DefaultSortingQueryParameter);
dictionary.Add(ColumnOrderValue.DefaultSortingQueryParameter, CreateStringValues(sortValues));
}
return(dictionary);
}
