stored procedure with varchar(max) output parameter

  • Thread starter Thread starter Andrew Robinson
  • Start date Start date
A

Andrew Robinson

I have a stored proceedure that has a varchar(max) output parameter. How do
I specify my size value in the parameters collection? or is this something
that cannot be done?

Thanks,
 
Hi Adrew,

According your description, do you want to know how to specify the size
value in ADO.net Parameter? Please let me know if you misunderstood
anything here.

public SqlParameter (string parameterName,SqlDbType dbType,int size)
You could specify the size value of parameters.
For example:
SqlParameter paramSummary =new SqlParameter("@DocumentSummary",
SqlDbType.NVarChar,25);
paramSummary.Direction = ParameterDirection.Output;
command.Parameters.Add(paramSummary);

Additionally, you can specify the size as -1, if you don't know how length
it is.
SqlParameter paramSummary =new SqlParameter("@DocumentSummary",
SqlDbType.NVarChar,-1);

You may check the "Using Large Value Type Parameters" section in the
following document.
http://msdn2.microsoft.com/en-us/library/a1904w6t.aspx
[Working with Large Value Types]

Hope this helps. If you still have anything unclear, please feel free to
let me know.
Have a great day,
Sincerely,
Wen Yuan
Microsoft Online Community Support
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Hi Andrew,

I just want to check whether the issue has been resolved. If it persists or
you still meet any futher issue, please don't hesitate to update here. I'll
follow up.

Have a great day,
Sincerely,
Wen Yuan
Microsoft Online Community Support
 
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