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ORA-06502: PL/SQL: numeric or value error: character to number conversion error ORA-06512: at line 1

Posted on 2006-11-08
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Last Modified: 2013-12-12
Hi,

I am calling an Oracle stored procedure from an ASP.Net application.

The Oracle Stored Procedure is:

----------------------------------------------------------------------
CREATE OR REPLACE PROCEDURE simple_test (

   a_UserCode      IN varchar2,

   a_ErrorMsg      OUT varchar2) AUTHID CURRENT_USER

AS

BEGIN

 a_ErrorMsg  := a_UserCode || 'test' ;

END;
----------------------------------------------------------------------

This procedeure works fine when I run it in SQL Plus, but when I run it from ASP.Net I get the following error:

----------------------------------------------------------------------
ORA-06502: PL/SQL: numeric or value error: character to number conversion error ORA-06512: at line 1
----------------------------------------------------------------------

The ASP.Net code is :

----------------------------------------------------------------------
        OleDbConnection1.Open()

        OleDbCommand1.CommandText = "simple_test"
        OleDbCommand1.CommandType = CommandType.StoredProcedure

        OleDbCommand1.Parameters.Add("a_UserCode", OracleType.VarChar)
        OleDbCommand1.Parameters("a_UserCode").Value = "TEST"

        OleDbCommand1.Parameters.Add("a_ErrorMsg", OracleType.VarChar)
        OleDbCommand1.Parameters("a_ErrorMsg").Direction = ParameterDirection.Output

        OleDbCommand1.ExecuteNonQuery()

        Label1.Text = OleDbCommand1.Parameters("a_ErrorMsg").Value

        OleDbConnection1.Close()
----------------------------------------------------------------------

Appreciate if anyone can help. I suspect the "OracleType.VarChar" as it should be VarChar2, but this is not availabe in ASP.Net and also you can't set the size of it from ASP.Net!
0
Comment
Question by:abcexpert
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7 Comments
 
LVL 27

Expert Comment

by:kretzschmar
ID: 17904772
well, don't know the syntax, but i miss a maxlength-parameter like

OleDbCommand1.Parameters.Add("a_ErrorMsg", OracleType.VarChar, 4000)

meikl ;-)
0
 

Author Comment

by:abcexpert
ID: 17904871
When I add the size as you suggest in this way OleDbCommand1.Parameters.Add("a_ErrorMsg", OracleType.VarChar, 4000) I get the following error:

Specified argument was out of the range of valid values. Parameter name: Invalid OleDbType enumeration value: 22

Any Idea?
0
 
LVL 27

Expert Comment

by:kretzschmar
ID: 17904940
well, i have no docs, so i may give a sample value by mistake, which is out of a limited range

i found this on the web

http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=357761&SiteID=1

this shows a value of 255

meikl ;-)
0
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Author Comment

by:abcexpert
ID: 17904983
Meikl,

Even if I change the value to 255 I get the same error.

Anybody has another idea about the origenal request?
0
 
LVL 14

Expert Comment

by:GGuzdziol
ID: 17905597
See this link: http://www.dotnet247.com/247reference/msgs/51/255394.aspx - maybe it will help You.
0
 
LVL 14

Accepted Solution

by:
GGuzdziol earned 2000 total points
ID: 17905603
I mean: probably You should use OleDbType.VarChar instead of OracleType.VarChar
0
 

Author Comment

by:abcexpert
ID: 17905916
GGuzdziol,

Thanks the OleDbType.VarChar works fine ...
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