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c# and GUIDs sqldbtype.uniqueidentifier

Posted on 2008-06-11
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Last Modified: 2008-06-12
im using a guid which im returning from a stored procedure as a parameter and am trying to set the guid as a session variable. So:  

  SqlParameter parmtid = new SqlParameter();
                    parmtid.ParameterName = "@theaterID";
                    parmtidSqlDbType = SqlDbType.UniqueIdentifier;
                    parmtid.Direction = ParameterDirection.Output;
                    cmd.Parameters.Add(parmtid);
how do i set that parameter value as a session?

thanks for help!
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Question by:ej1111
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3 Comments
 
LVL 9

Expert Comment

by:Rob Siklos
ID: 21765619
What happens if you try something like

Session['param'] = parmtid;
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Author Comment

by:ej1111
ID: 21765729
I get a lot of cannot convert type string to system.guid type messages. quick change of thoughts, im actually trying set that as a guid value; so we have a class with:


static public guid tid and i want to set tid
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LVL 11

Accepted Solution

by:
Anurag Agarwal earned 100 total points
ID: 21766025
this error comes when you are trying to convert an empty string into a GUID datatype.

So put a check for String.IsNullOrEmpty() on the statement where you are trying to assign this output param value into session var.

Anurag
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