if and else else condition both condition is running problem

Question

I am able to filter date according to selected date of calendar but along with the filter icons are also showing which should not be shown where list is shown need help.This is the code everything is working but the problem is i am getting list also the cannot show list icon also meaning else icon are also being shown. when list is there else condition should not be shown but it is also showing meaning both if and else condition is running at the same time

SingleChildScrollView(
                                      child: Column(
                                        children: homeworkSnapshot.data.map((homework){
                                          if(dateController.text == homework.savedHomeworkSubmissionDate){
                                            return Padding(
                                              padding: const EdgeInsets
                                                  .symmetric(vertical: 3),
                                              child: SizedBox(
                                                width: double.infinity,
                                                // height: MediaQuery.of(context).size.height*0.105,
                                                child: GestureDetector(
                                                  onTap: () {
                                                    Navigator.of(context)
                                                        .pushReplacement(
                                                        MaterialPageRoute(
                                                            builder: (ctx)=>HomeworkPostScreen(
                                                                  savedHomeworkId: homework
                                                                      .savedHomeworkId,
                                                                  savedHomeworkCName: homework
                                                                      .savedHomeworkClassName,
                                                                  savedHomeworkSName: homework
                                                                      .savedHomeworkSectionName,
                                                                  savedHomeworkSubName: homework
                                                                      .savedHomeworkSubjectName,
                                                                  savedHomeworkT: homework
                                                                      .savedHomeworkTitle,
                                                                  savedHomeworkL: homework
                                                                      .link,
                                                                  savedHomeworkD: homework
                                                                      .savedHomeworkDetail,
                                                                  savedHomeworkImgs: homework
                                                                      .savedHomeworkImage,
                                                                  savedHomeworkSD: homework
                                                                      .savedHomeworkSubmissionDate,
                                                                )));
                                                  },
                                                  child: Card(
                                                    elevation: 0.0,
                                                    child: Padding(
                                                      padding: const EdgeInsets
                                                          .symmetric(
                                                          horizontal: 10,
                                                          vertical: 5),
                                                      child: Row(
                                                        crossAxisAlignment: CrossAxisAlignment
                                                            .start,
                                                        children: [
                                                          Padding(
                                                            padding: const EdgeInsets
                                                                .symmetric(
                                                                horizontal: 10),
                                                            child: Column(
                                                              crossAxisAlignment: CrossAxisAlignment
                                                                  .start,
                                                              children: [
                                                                const SizedBox(
                                                                    height: 5),
                                                                Text(homework
                                                                    .savedHomeworkTitle),
                                                                const SizedBox(
                                                                    height: 50),
                                                                Row(
                                                                  children: [
                                                                    const Text(
                                                                      "Deadline :",
                                                                      style: TextStyle(
                                                                          color: Colors
                                                                              .black38),),
                                                                    Text(
                                                                      homework
                                                                          .savedHomeworkSubmissionDate,
                                                                      style: const TextStyle(
                                                                          color: Colors
                                                                              .black38),)
                                                                  ],
                                                                )
                                                              ],
                                                            ),
                                                          ),

                                                          const SizedBox(
                                                              width: 70),
                                                          Container(
                                                            height: 100,
                                                            width: 1,
                                                            color: Colors.blue,
                                                          ),

                                                          Expanded(
                                                            child: Padding(
                                                              padding: const EdgeInsets.symmetric(
                                                                  horizontal: 10),
                                                              child: Column(
                                                                crossAxisAlignment: CrossAxisAlignment.start,
                                                                children: [
                                                                  Text(homework.savedHomeworkSubjectName ??" ",
                                                                    style: const TextStyle(
                                                                        fontWeight: FontWeight.bold,
                                                                        fontSize: 14),
                                                                    overflow: TextOverflow.clip,),
                                                                  const SizedBox(
                                                                      height: 20),
                                                                  Text(
                                                                    "Class: ",
                                                                    style: TextStyle(
                                                                        color: ColorCombination(0).appBarColor),),
                                                                  Text(
                                                                    "${homework.savedHomeworkClassName ??" "}(${homework.savedHomeworkSectionName ??" "})",
                                                                    style: TextStyle(
                                                                        color: ColorCombination(0).appBarColor),),
                                                                ],
                                                              ),
                                                            ),
                                                          )
                                                        ],
                                                      ),
                                                    ),
                                                  ),
                                                ),
                                              ),
                                            );

                                          }else{
                                          return  Padding(
                                            padding: const EdgeInsets.symmetric(vertical: 200),
                                            child: Center(
                                              child: Column(
                                                children: [
                                                  Image.asset("icons/empty_homework_icon.png"),
                                                  const SizedBox(height: 30),
                                                  const Text("Homework List Not Found",style: TextStyle(color: Colors.blue,fontWeight: FontWeight.bold),),
                                                  const SizedBox(height: 10),
                                                  const Text("Looks like there are no homework record for the",style: TextStyle(color: Colors.black38),),
                                                  const Text("day",style: TextStyle(color: Colors.black38),)
                                                ],
                                              ),
                                            ),
                                          );
                                          }
                                        }).toList(),
                                      ),
                                    );