feat: fmBcus GridView 改用 ObjectDataSource

- 新增 BcusDAC（SelectPage/SelectCount/SelectBCNUMIndex） - dsBCUSGrid 改 ObjectDataSource（EnablePaging） - Search/Selected/DataBound 調整；跳回選取列改用 SelectBCNUMIndex - 計畫文檔更新盤點與待辦
2026-09-10 10:34:13 +08:00
parent 9adbcfe0a4
commit 5c4e04788b
4 changed files with 141 additions and 40 deletions
@@ -0,0 +1,110 @@
+using System;
+using System.Data;
+using System.Data.Common;
+using System.Text;
+using System.ComponentModel;
+using Wellan.Data;
+
+/// <summary>
+/// 客戶資料的資料處理類別
+/// </summary>
+[DataObject(true)]
+public class BcusDAC : Wellan.Data.WDAC
+{
+    public BcusDAC()
+    {
+    }
+
+    public BcusDAC(string connectionConfig, string connectionConfigName)
+        : this()
+    {
+        this._connectionConfig = connectionConfig;
+        this._connectionConfigName = connectionConfigName;
+    }
+
+    public BcusDAC(WQuery query)
+    {
+        this._query = query;
+    }
+
+    /// <summary>
+    /// 客戶資料 Grid 分頁查詢
+    /// </summary>
+    [DataObjectMethod(DataObjectMethodType.Select)]
+    public DataTable SelectPage(int startRowIndex, int maximumRows, string BCNUM, string BCNAM)
+    {
+        DbCommand cmd = Query.NewCommand();
+
+        StringBuilder filter = new StringBuilder();
+        BuildFilter(filter, cmd, BCNUM, BCNAM);
+
+        cmd.CommandText = String.Format(
+            @"SELECT * FROM
+              (
+                SELECT *, ROW_NUMBER() OVER (ORDER BY BCNUM) AS ROWID
+                FROM BCUS WHERE 1=1 {0}
+              ) AS TMP
+              WHERE ROWID BETWEEN @STARTROWINDEX + 1 AND @STARTROWINDEX + @MAXIMUMROWS
+              ORDER BY ROWID",
+            filter.ToString());
+        cmd.Parameters.Add(Query.NewParameter("STARTROWINDEX", startRowIndex));
+        cmd.Parameters.Add(Query.NewParameter("MAXIMUMROWS", maximumRows));
+
+        return Query.Select(cmd);
+    }
+
+    /// <summary>
+    /// 客戶資料 Grid 查詢筆數
+    /// </summary>
+    [DataObjectMethod(DataObjectMethodType.Select)]
+    public int SelectCount(string BCNUM, string BCNAM)
+    {
+        DbCommand cmd = Query.NewCommand();
+
+        StringBuilder filter = new StringBuilder();
+        BuildFilter(filter, cmd, BCNUM, BCNAM);
+
+        cmd.CommandText = String.Format("SELECT COUNT(*) FROM BCUS WHERE 1=1 {0}", filter.ToString());
+        return WDAC.GetInt32Value(Query.ExecuteScalar(cmd));
+    }
+
+    /// <summary>
+    /// 取得指定客戶編號在查詢結果中的序號 (0 起算)
+    /// </summary>
+    public int SelectBCNUMIndex(string targetBCNUM, string BCNUM, string BCNAM)
+    {
+        DbCommand cmd = Query.NewCommand();
+
+        StringBuilder filter = new StringBuilder();
+        BuildFilter(filter, cmd, BCNUM, BCNAM);
+
+        cmd.CommandText = String.Format(
+            @"SELECT ROWID - 1 FROM
+              (
+                SELECT BCNUM, ROW_NUMBER() OVER (ORDER BY BCNUM) AS ROWID
+                FROM BCUS WHERE 1=1 {0}
+              ) AS TMP WHERE BCNUM = @TARGET",
+            filter.ToString());
+        cmd.Parameters.Add(Query.NewParameter("TARGET", targetBCNUM));
+
+        object o = Query.ExecuteScalar(cmd);
+        return (o is Int32 || o is Int64) ? WDAC.GetInt32Value(o) : -1;
+    }
+
+    /// <summary>
+    /// 組出客戶資料 Grid 的查詢條件 (與舊 AddSearch 行為一致)
+    /// </summary>
+    private void BuildFilter(StringBuilder sb, DbCommand cmd, string BCNUM, string BCNAM)
+    {
+        if (!string.IsNullOrEmpty(BCNUM))
+        {
+            sb.Append(" AND BCNUM LIKE @BCNUM1 ");
+            cmd.Parameters.Add(Query.NewParameter("BCNUM1", BCNUM + "%"));
+        }
+        if (!string.IsNullOrEmpty(BCNAM))
+        {
+            sb.Append(" AND BCNAM LIKE @BCNAM1 ");
+            cmd.Parameters.Add(Query.NewParameter("BCNAM1", BCNAM + "%"));
+        }
+    }
+}