从带输出参数的存储过程中获取输出参数的值 OUTPUT

/// <summary>
/// 获取查询结果
/// </summary>
public static void GetAllPersons(string qybhStr, out int aqycount, out int jsrycount, out int tzrycount)
{

try
{

SqlParameter qybh = new SqlParameter();
qybh.ParameterName = "@qybh";
qybh.Direction = ParameterDirection.Input;
qybh.SqlDbType = SqlDbType.VarChar;
qybh.Size = 20;
qybh.Value = qybhStr;

SqlParameter aqy = new SqlParameter();
aqy.ParameterName = "@aqycount";
aqy.Direction = ParameterDirection.Output;
aqy.SqlDbType = SqlDbType.Int;

SqlParameter jsry = new SqlParameter();
jsry.ParameterName = "@jsrycount";
jsry.Direction = ParameterDirection.Output;
jsry.SqlDbType = SqlDbType.Int;

SqlParameter tzry = new SqlParameter();
tzry.ParameterName = "@tzrycount";
tzry.Direction = ParameterDirection.Output;
tzry.SqlDbType = SqlDbType.Int;
SqlParameter[] pars = new SqlParameter[] { qybh, aqy, jsry, tzry };
using (SqlDataReader da = CommonCorpSrv.GetDataReader("dt_cx_GetQyRy", pars))
{
aqycount = (int)aqy.Value;
jsrycount = (int)jsry.Value;
tzrycount = (int)tzry.Value;
}

}

catch (Exception ex)
{
throw ex;
}

}