How can I specify the size of a stored procedure parameter and also the direction

     How can I specify the size of a stored procedure parameter and also the direction.
I'm having problems doing this......      

C# sudo code...  

 command.CommandType = CommandType.StoredProcedure;
                SqlParameter sparam = new SqlParameter("@invar",SqlDbType.Int, intput?
silentthread2kSenior Software EngineerAsked:
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You can do something like this:

SqlParameter[] param = {
	new SqlParameter("@ParameterName", SqlDbType.VarChar, 2),
	new SqlParameter("@ParameterName2", SqlDbType.Int),
	new SqlParameter("@ParameterName3", SqlDbType.Bit)

param[0].Value = ValueParameter1;
param[1].Value = ValueParameter2;
param[2].Direction = ParameterDirection.Output

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command.CommandType = CommandType.StoredProcedure;
SqlParameter sparam = new SqlParameter("@invar",SqlDbType.Int)      
sparam.Direction = ParameterDirection.Input;

//ParameterDirection has the following values avaliable: Input, InputOutput, Output and ReturnValue
To specify size:
SqlParameter sparam  = new SqlParameter("@invar", SqlDbType.VarChar, 2)
sparam.Size = 2;
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