public bool IsSortSupported(string propertyName)
{
if (string.IsNullOrEmpty(propertyName))
{
throw new ArgumentException("propertyName");
}
if (!this.DataTableLoader.Table.Columns.Contains(propertyName))
{
return(false);
}
SortSupportDescription sortSupportDescription = this.SortSupportDescriptions.FirstOrDefault((SortSupportDescription arg) => string.Compare(arg.ColumnName, propertyName, StringComparison.OrdinalIgnoreCase) == 0);
if (sortSupportDescription != null)
{
return(sortSupportDescription.SortMode != SortMode.NotSupported && !string.IsNullOrEmpty(sortSupportDescription.SortedColumnName));
}
return(typeof(IComparable).IsAssignableFrom(this.DataTableLoader.Table.Columns[propertyName].DataType));
}
private string CreateSortString(PropertyDescriptor property, ListSortDirection direction)
{
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.Append('[');
string columnName = property.Name;
if (this.DataTableLoader.Table.Columns.Contains(columnName))
{
SortSupportDescription sortSupportDescription = this.SortSupportDescriptions.FirstOrDefault((SortSupportDescription arg) => string.Compare(arg.ColumnName, columnName, StringComparison.OrdinalIgnoreCase) == 0);
if (sortSupportDescription != null && !string.IsNullOrEmpty(sortSupportDescription.SortedColumnName))
{
columnName = sortSupportDescription.SortedColumnName;
}
}
stringBuilder.Append(columnName);
stringBuilder.Append(']');
if (ListSortDirection.Descending == direction)
{
stringBuilder.Append(" DESC");
}
return(stringBuilder.ToString());
}
private void DetachSort(SortSupportDescription sortSupportDescription)
{
sortSupportDescription.DataTableLoaderView = null;
}
private void AttachSort(SortSupportDescription sortSupportDescription)
{
sortSupportDescription.DataTableLoaderView = this;
}