Forms Data Controls :: Filter Gridview With Multiple Words From Textbox

May 27, 2010

I have been stuck on an issue that is driving me mad and I bet its simple. I have a Textbox with a gridview and a LINQ statement in code behind that populates the data source of the gridview at page load.

The Textbox is used as a filter for the where clause in the Linq statement. All works as expected however I want to be able to use more than one word as a filter. This is the problem. I take the textbox string and convert to an array

Dim aryTextFile() As String = SearchString.Split(",")

But I need to figure how to pass the values of the array as parameters for the Linq Statement. I need to return all rows that have either a match for LocationName AND/OR Address AND/OR City. I thought of something like this but it fails.

Dim db As New DCLocationsDataContext
Dim q = From t In db.Locations _
Where t.City AndAlso t.LocationName AndAlso t.Address Like aryTextFile _
Select t
GridView1.DataSource = q
GridView1.DataBind()

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