.net - SQL0469 IN, OUT, or INOUT not valid for parameter 2 in procedure -


i'm trying run stored procedure against ibm iseries running as400 , getting above error in title.

when type in following execute stored procedure system inavigator tool, runs fine: 

call qs36f.hh189p('1','1','')

the first parameter direction defined in stored procedure input, second output, , third output.

problem when try run stored procedure .net code setting parameters. can please me?

my parameter list set follows:

db2command.parameters.add("p_strrrn", idb2dbtype.idb2char, 10);                     db2command.parameters["p_strrrn"].direction = system.data.parameterdirection.input;                     db2command.parameters["p_strrrn"].value = strrrn;                     db2command.parameters.add("p_lstrrn", idb2dbtype.idb2char, 10);                     db2command.parameters["p_lstrrn"].value = string.empty;                     db2command.parameters["p_lstrrn"].direction = system.data.parameterdirection.output;                     db2command.parameters.add("p_errmsg", idb2dbtype.idb2char, 70);                     db2command.parameters["p_errmsg"].value = string.empty;                     db2command.parameters["p_errmsg"].direction = system.data.parameterdirection.output;

resolution

had declare commandtext following:

string cmdtextstring = "call qs36f.hh189p" + "('" + strrrn + "',?,?)";

had set parameters following:

db2command.parameters.add("p_lstrrn", idb2dbtype.idb2char, 10);                     db2command.parameters["p_lstrrn"].value = string.empty;                     db2command.parameters["p_lstrrn"].direction = system.data.parameterdirection.output;                     db2command.parameters.add("p_errmsg", idb2dbtype.idb2char, 70);                     db2command.parameters["p_errmsg"].value = string.empty;

if passing parms string constants, out or inout value returned to? db2 expecting call procedure in way can return values variables.


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