public void GetDataRowCountAdvanced(GridViewCustomBindingGetDataRowCountArgs e)
{
int rowCount;
if (GridViewCustomBindingSummaryCache.TryGetCount(e.FilterExpression, out rowCount))
{
e.DataRowCount = rowCount;
}
else
{
e.DataRowCount = Model.ApplyFilter(e.FilterExpression).Count();
}
}
public void GetSummaryValuesAdvanced(GridViewCustomBindingGetSummaryValuesArgs e)
{
var query = Model
.ApplyFilter(e.FilterExpression)
.ApplyFilter(e.GroupInfoList);
var summaryValues = query.CalculateSummary(e.SummaryItems);
e.Data = summaryValues;
var countSummaryItem = e.SummaryItems.FirstOrDefault(i => i.SummaryType == SummaryItemType.Count);
if (e.GroupInfoList.Count == 0 && countSummaryItem != null)
{
var itemIndex = e.SummaryItems.IndexOf(countSummaryItem);
var count = summaryValues[itemIndex] != null?Convert.ToInt32(summaryValues[itemIndex]) : 0;
GridViewCustomBindingSummaryCache.SaveCount(e.FilterExpression, count);
}
}
