private JsonResult FilterDataSource(object dataSource, NameValueCollection queryString, out IQueryable iqueryable)
{
iqueryable = (dataSource as IQueryable);
Guard.IsNotNull(iqueryable, "DataSource", "should implement the IQueryable interface.");
int num = Convert.ToInt32(queryString["page"]);
int num2 = Convert.ToInt32(queryString["rows"]);
string text = queryString["sidx"];
string str = queryString["sord"];
string arg_5E_0 = queryString["parentRowID"];
string text2 = queryString["_search"];
string text3 = queryString["filters"];
string text4 = queryString["searchField"];
string searchString = queryString["searchString"];
string searchOper = queryString["searchOper"];
this.PagerSettings.CurrentPage = num;
this.PagerSettings.PageSize = num2;
if (!string.IsNullOrEmpty(text2) && text2 != "false")
{
try {
if (string.IsNullOrEmpty(text3) && !string.IsNullOrEmpty(text4))
{
iqueryable = iqueryable.Where(Util.GetWhereClause(this, text4, searchString, searchOper), new object[0]);
}
else
{
if (!string.IsNullOrEmpty(text3))
{
iqueryable = iqueryable.Where(Util.GetWhereClause(this, text3), new object[0]);
}
else
{
if (this.ToolBarSettings.ShowSearchToolBar || text2 == "true")
{
iqueryable = iqueryable.Where(Util.GetWhereClause(this, queryString), new object[0]);
}
}
}
} catch (DataTypeNotSetException ex) {
throw ex;
} catch (Exception) {
return(new JsonResult {
Data = new object(),
JsonRequestBehavior = JsonRequestBehavior.AllowGet
});
}
}
int num3 = iqueryable.Count();
int totalPagesCount = (int)Math.Ceiling((double)((float)num3 / (float)num2));
if (string.IsNullOrEmpty(text) && this.SortSettings.AutoSortByPrimaryKey)
{
if (this.Columns.Count == 0)
{
throw new Exception("JQGrid must have at least one column defined.");
}
text = Util.GetPrimaryKeyField(this);
str = "asc";
}
if (!string.IsNullOrEmpty(text))
{
string text5 = "";
if (this.GroupSettings.GroupFields.Count > 0)
{
string str2 = text.Split(new char[]
{
' '
})[0];
string str3 = text.Split(new char[]
{
' '
})[1].Split(new char[]
{
','
})[0];
text = text.Split(new char[]
{
','
})[1];
text5 = str2 + " " + str3;
}
if (text != null && text == " ")
{
text = "";
}
if (!string.IsNullOrEmpty(text))
{
if (this.GroupSettings.GroupFields.Count > 0 && !text5.EndsWith(","))
{
text5 += ",";
}
text5 = text5 + text + " " + str;
}
iqueryable = iqueryable.OrderBy(text5, new object[0]);
}
iqueryable = iqueryable.Skip((num - 1) * num2).Take(num2);
DataTable dataTable = iqueryable.ToDataTable(this);
this.OnDataResolved(new JQGridDataResolvedEventArgs(this, iqueryable, this.DataSource as IQueryable));
if (this.TreeGridSettings.Enabled)
{
JsonTreeResponse response = new JsonTreeResponse(num, totalPagesCount, num3, num2, dataTable.Rows.Count, Util.GetFooterInfo(this));
return(Util.ConvertToTreeJson(response, this, dataTable));
}
JsonResponse response2 = new JsonResponse(num, totalPagesCount, num3, num2, dataTable.Rows.Count, Util.GetFooterInfo(this));
return(Util.ConvertToJson(response2, this, dataTable));
}