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ms access 2k10 query include wildcards in dates and date ranges that user enters

Posted on 2014-11-22
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Last Modified: 2014-11-23
I have a query that drives a report that filters course ids and course dates. I would like the user to enter a course id with wildcard i.e... ASBS* to get all courses that begin with ASBS and a date range of #1/*/2010# thru #3/*/2010# for the period of jan thru march of 2010. I want the user to enter the criteria
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Question by:jsgould
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Dale Fye (Access MVP) earned 500 total points
ID: 40460004
So, do you want the user to enter the CourseID only, or also enter the month and year for the start and end dates of the query?

I generally use the following technique:
1.  3 textboxes: txt_CourseID, txt_StartDate, txt_EndDate
2.  A command button: cmd_Filter (name it whatever you want)
3.  In the click event of the cmd_Filter button, I build the criteria string, something like:

Private Sub cmd_Filter_Click

    Dim varCriteria as Variant

    if Len(Trim(me.txt_CourseID & " ")) > 0 then 
        varCriteria = "([CourseID] LIKE '" & Trim(me.txt_CourseID) & "*')"
    End If

    if len(Trim(me.txt_StartDate & " ")) > 0 then
        varCriteria = (varCriteria + " AND ") _
                            & "([Start_Date] >= #" & Trim(me.txt_StartDate) & "#)"
    end if

    if len(Trim(me.txt_EndDate & " ")) > 0 then
        varCriteria = (varCriteria + " AND ") _
                            & "([End_Date] <#" & DateAdd("d", 1, CDate(Trim(me.txt_StartDate))) & "#)"
    end if

    me.Filter = varCriteria
    me.FilterOn = LEN(varCriteria & "") > 0

End Sub

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Author Closing Comment

by:jsgould
ID: 40460725
Thanks for the quick response!
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LVL 47

Expert Comment

by:Dale Fye (Access MVP)
ID: 40460812
Glad to help.
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