Linq-to-sql error: 'int[]' does not contain a definition for 'Contains'

c#, linq-to-sql

Solution

I strongly suspect that `item.Type` isn't an `int`. Is it an enum? If so, try explicitly casting:

var qry = from item in dc.LeaveRequests
          where validType.Contains((int) item.Type)
                && item.MgtApproval == null
          select item;

Alternatively, as dot notation:

var query = dc.LeaveRequests.Where(item => validType.Contains((int) item.Type)
                                           && item.MgtApproval == null);

Problem

I am having an error: Error 2 'int[]' does not contain a definition for 'Contains' and the best extension method overload 'System.Linq.Enumerable.Contains(System.Collections.Generic.IEnumerable, TSource)' has some invalid arguments This is my code: ``` public partial class mymymy : System.Web.UI.Page { int[] validType = { 2, 3, 4, 5, 6, 8, 13, 14, 16, 22 }; protected void Page_Load(object sender, EventArgs e) { } protected void LinqDataSource_Selecting(object sender, LinqDataSourceSelectEventArgs e) { using (var dc = new soxMainDataContext()) { var qry = from item in dc.LeaveRequests where **validType**.Contains(item.Type) && item.MgtApproval == null select item; e.Result = qry; } } } ```

Original source