Question

I have a delimiter string like this: “2,3” which is grabbed from a listbox values which I will pass to my SProc parameter:

AddInParameter(dbCommand, "@Mode", DbType.String, 50, DBNull.Value)
                    If Not String.IsNullOrEmpty(.MemshpT) Then
                        dbCommand.Parameters("@Mode").Value = .MemshpT   'MemshipT will contain "2,3"

In my SProc I have a condition like this:

  and Cast(T.Mode as varchar(20)) in(@Mode))   

Now in my listbox which contains values: 1,2,3,4. If I select the values individually say ‘1’ and pass it to my SQL parameter, I will have all activity type 1 results in my gridview, but if I highlight more then 1 values it returns nothing because the string becomes like “2,3” which (Mode is not null and T.Mode like ‘%’ + @Mode + ‘%’) doesn’t seem to be able to catch. How can I reconstruct my delimiter or SQL query such that single as well as multiple delimited values (e.g. “1,2” will return all activity of 1 and 2) will be detected and be displayed in my gridview. Thanks.

Answer 1

(T.Mode IN (@MODE))

I’m assuming that MODE is integer data type and can only have 1 value per record.

so your search string looks like 1,2,3,4

the values in your database field mode look like

1

2

3

4

I think you want to use the IN operator not like..

which would result in 1 in (1,2,3,4)