asp.net 调用sql存储过程

public DataSet Bkklist(Dush.common.booklist bkl)
{
SqlConnection stcon = new SqlConnection(Dush.dataaccess.conn.sqlconn);
SqlCommand cmd = new SqlCommand("GetCategories", stcon); //存储过程名GetCategories
cmd.CommandType = CommandType.StoredProcedure; //声明调用存储过程

cmd.Parameters.Add(new SqlParameter("CategoriyId",SqlDbType.Int ));

cmd.Parameters["CategoriyId"].Value = bkl.CategoriyId1;

DataSet ds = new DataSet();
SqlDataAdapter sda = new SqlDataAdapter(cmd);
try
{
sda.Fill(ds);
return ds;
}
catch (System.Exception E)
{
throw new System .Exception (E.Message);
}

}

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