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Using a guid in a SQL SELECT statement

Posted on 2006-06-11
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Last Modified: 2008-02-01
I am trying to do a search for records in SQL that have a userID of the current logged in user. I have set the SessionUID to the GUID of the user logged in. When I use this select statment I get

Operator '&' is not defined for string " SELECT count(PhotoId) AS imagec" and type 'Guid'.


 SELECT count(PhotoId) AS imagecount FROM Photos WHERE UserID = '" & Session("SessionUID") & "'"

Please help
Thanks
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Question by:jui2ce
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7 Comments
 

Expert Comment

by:technixrs
ID: 16883026
SELECT count(PhotoId) AS imagecount FROM Photos WHERE UserID = '" & CType(Session("SessionUID"), String) & "'"

Also try using "Option Strict" to catch this in the future
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Author Comment

by:jui2ce
ID: 16883031
Now I get Conversion failed when converting from a character string to uniqueidentifier.
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LVL 4

Expert Comment

by:jvn222
ID: 16883072
please show your full statement that include string SELECT count(PhotoId) AS imagecount FROM Photos WHERE UserID = '" & Session("SessionUID") & "'"
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Author Comment

by:jui2ce
ID: 16883078
Sorry the error I get now is

Conversion from type 'Guid' to type 'String' is not valid.

The problem before was session expired

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Accepted Solution

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jvn222 earned 2000 total points
ID: 16883131
try
...UserID = '" & CType(Session("SessionUID"), Guid).ToString()& "'"
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Author Comment

by:jui2ce
ID: 16883134
I fixed it by doing  Session("SessionUID").ToString
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Author Comment

by:jui2ce
ID: 16883135
Thanks!
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