protected void Grid_HeaderFilterFillItems(object sender, DevExpress.Web.ASPxGridViewHeaderFilterEventArgs e)
{
if (e.Column.FieldName != "Cities")
{
return;
}
var result = e.Values
.Select(q => q.Value.Split(separator))
.SelectMany(q => q)
.Distinct()
.ToList();
e.Values.Clear();
foreach (var item in result)
{
CriteriaOperator cop = new FunctionOperator(FunctionOperatorType.Contains, new OperandProperty("Cities"), item);
e.Values.Add(new FilterValue(item, item, cop.ToString()));
}
}
protected void gvMulti1_HeaderFilterFillItems(object sender, DevExpress.Web.ASPxGridViewHeaderFilterEventArgs e)
{
}
