chore: 首次簽入 Thinkyu ASP.NET 專案

- 加入 Visual Studio / ASP.NET .gitignore
- 排除建置輸出、IDE 設定、NuGet packages、大型 MSI 安裝檔

報到系統/SQL/SignUp序號管理工具.sql

@@ -0,0 +1,192 @@
+-- =====================================================
+-- SignUp 序號管理工具集
+-- 提供多種場景的序號管理 SQL 腳本
+-- =====================================================
+
+-- =============================================================
+-- 【場景1】初始化所有未設定序號的記錄
+-- =============================================================
+-- 執行此腳本可為 SeqNo = 0 或 NULL 的記錄自動補充序號
+
+/*
+DECLARE @UpdatedCount INT;
+
+BEGIN TRANSACTION;
+
+UPDATE SignUp
+SET SeqNo = rn.RowNum
+FROM SignUp su
+INNER JOIN (
+    SELECT 
+        ID,
+        ROW_NUMBER() OVER (PARTITION BY CourseID ORDER BY ID ASC) AS RowNum
+    FROM SignUp
+    WHERE SeqNo = 0 OR SeqNo IS NULL
+) rn ON su.ID = rn.ID
+WHERE su.SeqNo = 0 OR su.SeqNo IS NULL;
+
+SET @UpdatedCount = @@ROWCOUNT;
+
+COMMIT TRANSACTION;
+
+SELECT CONCAT('成功更新 ', @UpdatedCount, ' 筆記錄的序號') AS [結果];
+*/
+
+-- =============================================================
+-- 【場景2】重新編號特定活動的所有參加人員
+-- 用途：當某個活動的序號亂掉時，重新編號
+-- =============================================================
+
+/*
+DECLARE @CourseID INT = 1;  -- 修改為要重新編號的活動編號
+
+BEGIN TRANSACTION;
+
+UPDATE SignUp
+SET SeqNo = rn.RowNum
+FROM SignUp su
+INNER JOIN (
+    SELECT 
+        ID,
+        ROW_NUMBER() OVER (ORDER BY ID ASC) AS RowNum
+    FROM SignUp
+    WHERE CourseID = @CourseID
+) rn ON su.ID = rn.ID
+WHERE su.CourseID = @CourseID;
+
+SELECT CONCAT('活動 ', @CourseID, ' 的序號已重新編號') AS [結果];
+
+COMMIT TRANSACTION;
+*/
+
+-- =============================================================
+-- 【場景3】檢查序號異常
+-- =============================================================
+
+-- 查看所有序號為 0 或 NULL 的記錄
+SELECT 
+    ID,
+    CourseID,
+    Name,
+    Mobile,
+    SeqNo
+FROM SignUp
+WHERE SeqNo = 0 OR SeqNo IS NULL
+ORDER BY CourseID, ID;
+
+-- 查看序號重複的記錄
+SELECT 
+    CourseID,
+    SeqNo,
+    COUNT(*) AS [重複數],
+    STRING_AGG(CAST(ID AS VARCHAR), ',') AS [重複的ID]
+FROM SignUp
+WHERE SeqNo > 0
+GROUP BY CourseID, SeqNo
+HAVING COUNT(*) > 1
+ORDER BY CourseID, SeqNo;
+
+-- 查看序號不連續的活動
+SELECT 
+    CourseID,
+    COUNT(*) AS [總筆數],
+    MIN(SeqNo) AS [最小序號],
+    MAX(SeqNo) AS [最大序號]
+FROM SignUp
+WHERE SeqNo > 0
+GROUP BY CourseID
+HAVING MAX(SeqNo) > COUNT(*)
+ORDER BY CourseID;
+
+-- =============================================================
+-- 【場景4】統計各活動的序號分佈
+-- =============================================================
+
+SELECT 
+    c.ID AS [活動編號],
+    c.CourseName AS [活動名稱],
+    COUNT(s.ID) AS [參加人數],
+    CASE 
+        WHEN COUNT(s.ID) = 0 THEN '無人員'
+        WHEN MAX(s.SeqNo) = COUNT(s.ID) THEN '✓ 序號正常'
+        ELSE '✗ 序號異常'
+    END AS [序號狀態],
+    MIN(s.SeqNo) AS [最小序號],
+    MAX(s.SeqNo) AS [最大序號]
+FROM Classes c
+LEFT JOIN SignUp s ON c.ID = s.CourseID
+GROUP BY c.ID, c.CourseName
+ORDER BY c.ID;
+
+-- =============================================================
+-- 【場景5】修復所有序號異常
+-- 說明：將所有 SeqNo <= 0 的記錄重新編號
+-- 警告：這會修改所有未正確設定序號的記錄
+-- =============================================================
+
+/*
+BEGIN TRANSACTION;
+
+DECLARE @CourseID INT;
+DECLARE @CurrentCourseID INT;
+DECLARE @RowNum INT;
+
+-- 建立暫時表存儲要更新的ID和新序號
+CREATE TABLE #TempUpdate (
+    ID INT,
+    NewSeqNo INT
+);
+
+-- 為每個活動中 SeqNo <= 0 的記錄分配新序號
+INSERT INTO #TempUpdate (ID, NewSeqNo)
+SELECT 
+    ID,
+    ROW_NUMBER() OVER (PARTITION BY CourseID ORDER BY ID ASC) + 
+    ISNULL((
+        SELECT MAX(SeqNo) 
+        FROM SignUp s2 
+        WHERE s2.CourseID = s1.CourseID AND s1.SeqNo > 0
+    ), 0) AS NewSeqNo
+FROM SignUp s1
+WHERE s1.SeqNo = 0 OR s1.SeqNo IS NULL;
+
+-- 執行更新
+UPDATE SignUp
+SET SeqNo = tu.NewSeqNo
+FROM SignUp su
+INNER JOIN #TempUpdate tu ON su.ID = tu.ID;
+
+-- 清理暫時表
+DROP TABLE #TempUpdate;
+
+SELECT '序號修復完成' AS [操作結果];
+
+COMMIT TRANSACTION;
+*/
+
+-- =============================================================
+-- 【場景6】數據備份檢查
+-- 執行本腳本前，建議先備份資料
+-- =============================================================
+
+-- 查看 SignUp_BAK 表中最近的備份記錄
+SELECT TOP 100
+    ID,
+    CourseID,
+    SeqNo,
+    Name,
+    Mobile,
+    DB_TRMOD,
+    DB_TRDAT,
+    DB_TRUSR
+FROM SignUp_BAK
+ORDER BY DB_TRDAT DESC;
+
+-- 統計備份記錄數
+SELECT 
+    DB_TRMOD AS [操作類型],
+    COUNT(*) AS [備份筆數],
+    MAX(DB_TRDAT) AS [最近更新時間]
+FROM SignUp_BAK
+GROUP BY DB_TRMOD
+ORDER BY MAX(DB_TRDAT) DESC;