判断现有库存数量大于出库数量

//p判断现有库存数量大于出库数量
        //库存单的构建schema
        H3.DataModel.BizObjectSchema schema = this.Request.Engine.BizObjectManager.GetPublishedSchema("D150516Schrygddhktx2lwxq4squp2zl2");

        string sql = "select * from i_D150516Schrygddhktx2lwxq4squp2zl2 where joinMaterial= joinMaterial and address= address";
        System.Data.DataTable table = this.Engine.Query.QueryTable(sql, null);
        if(table != null && table.Rows.Count > 0)
        {
            //new 一个库存单的对象
            H3.DataModel.BizObject targetBo = new H3.DataModel.BizObject(this.Engine, schema, this.Request.UserContext.UserId);
            foreach(System.Data.DataRow row in table.Rows)
            {
                targetBo = H3.DataModel.BizObject.Load(this.Request.UserContext.UserId, this.Engine, "D150516Schrygddhktx2lwxq4squp2zl2", row["objectid"] + string.Empty, false);
                //获取到入库单子表的数组对象
                H3.DataModel.BizObject[] childBo = (H3.DataModel.BizObject[]) this.Request.BizObject["D150516receive"];
                foreach(H3.DataModel.BizObject child in childBo)
                {

                    if((int) Convert.ToInt32(targetBo["inventoryMains"]) > (int) Convert.ToInt32(child["number"]))
                    {
                        break;
                    } else
                    {
                        response.Errors.Add("现有数量不足！！！");
                    }
                    base.OnSubmit(actionName, postValue, response);
                }
            }
        }