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Calling a Stored Procedure with Output Parameter
Message
From
28/06/2010 09:14:12
 
 
To
28/06/2010 08:31:19
Timothy Bryan
Sharpline Consultants
Conroe, Texas, United States
General information
Forum:
ASP.NET
Category:
The Mere Mortals .NET Framework
Miscellaneous
Thread ID:
01470620
Message ID:
01470780
Views:
35
Thanks again Tim & Bonnie!

>Frank,
>Based on Bonnie's suggestion and solution I tried this original code again after changing the parameter direction to "InputOutput" and it also works fine.
>
>Tim
>
>>Hi,
>>
>>I am trying to follow the example in the help file to get a value out of a stored procedure.
>>
>>The stored procedure returns a string in its output parameter:
>>
>>
CREATE PROCEDURE TestNewNumber 
>>
>> @NewNumber varchar(10)
>>OUTPUT
>>AS
>>BEGIN
>>	-- SET NOCOUNT ON added to prevent extra result sets from
>>	-- interfering with SELECT statements.
>>	SET NOCOUNT ON;
>>
>>	SET @NewNumber = '00000'
>>END
>>
>>
>> RETURN @NewNumber
>>
>>The C# code I am using is this:
>>
>>
                // Create the parameter and set the direction
>>                IDbDataParameter param1 = this.CreateParameter("@newNumber", 0);
>>                param1.Direction = ParameterDirection.Output;
>>
>>                IDbCommand cmd;
>>                this.ExecSprocScalar("TestNewNumber", out cmd, param1);
>>
>>                // Retrieve the value from the command object
>>                IDbDataParameter param = (IDbDataParameter)cmd.Parameters["@newNumber"];
>>                string newNumber = (string)param.Value;
>>
>>
>>The problem is that param.Value is returning an integer (0 in this case) rather than the expected string '00000'.
>>
>>What am I doing wrong?
Frank.

Frank Cazabon
Samaan Systems Ltd.
www.samaansystems.com
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