Remove Item on ArrayList

Question

hello everybody , 

i want to   ask u, 

 

i have a array list get data from mssql like that below, but when its get data i dont want to get SId = 1 SId = 2 and SId = 3 these data, so how can i remove this three id on arraylist thanks

 

if (returner.IsCompletedAndContinue)

{

var infos = PubCat.Info.Binding(returner.DataSet.Tables[0]);

 

searchConds.CountrySIds = infos.Select(q => q.SId).ToArray();

}