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Data type mismatch in criteria expression

Posted on 2014-02-25
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Last Modified: 2014-02-26
Dim holdlong As Long = CLng(Dst4.Tables(0).Rows(0).Item(0))
                Dim DadSocSec As OleDbDataAdapter = New OleDbDataAdapter("Select * From EmployeeCompInfo where EMPLOYEEID= '" & holdlong & "'  ", Con)

holdlong is a 3
EMPLOYEEID is a field with a 3 in it
Dim DstSocSec As DataSet = New DataSet
                DadSocSec.Fill(DstSocSec)
at this point I get this error: Data type mismatch in criteria expression
usually when you see this error the field is spelled wrong but it is not.
EMPLOYEEID is a long because it is the reference back to a another table which is the auto number primary key;  auto numbers are longs.  I cast it just to make sure, but no matter it comes up as 3.

if I get rid of the where clause the query runs just fine, so the data mismatch is in the where clause but I don't see it.

any suggestions??????
thanks

gary
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Question by:javagair
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Accepted Solution

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Paul Jackson earned 500 total points
ID: 39887518
Remove the single apostrophes around holdlong variable because you have these it sees it as a string rather than a numeric :

Dim holdlong As Long = CLng(Dst4.Tables(0).Rows(0).Item(0))
                Dim DadSocSec As OleDbDataAdapter = New OleDbDataAdapter("Select * From EmployeeCompInfo where EMPLOYEEID= " & holdlong, Con)
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Expert Comment

by:John_Vidmar
ID: 39888748
I thought the problem was you are concatenating a string to a long, would this help:
Dim holdlong	As Long			= CLng(Dst4.Tables(0).Rows(0).Item(0))
Dim DadSocSec	As OleDbDataAdapter	= New OleDbDataAdapter("Select * From EmployeeCompInfo where EMPLOYEEID= " & CStr(holdlong), Con) 

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Author Closing Comment

by:javagair
ID: 39889376
I should have caught that.
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