diff --git a/Doc/GridView改用ObjectDataSource計畫.md b/Doc/GridView改用ObjectDataSource計畫.md
index 82f492d..348d027 100644
--- a/Doc/GridView改用ObjectDataSource計畫.md
+++ b/Doc/GridView改用ObjectDataSource計畫.md
@@ -37,7 +37,7 @@
 | 19 | forms/worker/fmRpar.ascx | RPARGrid | dsRPARGrid | RPAR | RparDAC(+Select) | **完成** |
 | 20 | forms/worker/fmRparWorker.ascx | RPABGrid | dsRPAB | RPAB | RpabDAC(+Select) | **完成** |
 | 21 | forms/worker/fmRparWorker.ascx | RPARGrid | dsRPARGrid | RPAR | RparDAC(+Select) | **完成** |
-| 22 | forms/worker/fmRsaj.ascx | RSAJGrid | dsRSAJGrid | RSAJ | RsajDAC | 待辦 |
+| 22 | forms/worker/fmRsaj.ascx | RSAJGrid | dsRSAJGrid | RSAJ | RsajDAC(+Select) | **完成** |
 | 23 | forms/worker/fmSendSalaryStrip.ascx | gvSSMS | dsSSMS | SSMS | SsmsDAC | 待辦 |
 | 24 | forms/worker/fmSendSalaryStrip.ascx | gvSSMSSum | dsSSMSSum | SSMS | SsmsDAC | 待辦 |
 
@@ -155,4 +155,5 @@
 | 2026-09-10 | 轉換 fmSalaryCalc（SACD）：新增 SacdDAC（SelectByProject）；dsSACD 改 ObjectDataSource；編譯通過 |
 | 2026-09-10 | 轉換 fmRpar（RPAR）：RparDAC 新增 SelectPage/SelectCount；dsRPARGrid 改 ObjectDataSource；Search/Selected 調整；編譯通過 |
 | 2026-09-10 | 轉換 fmRparWorker（RPAR/RPAB）：RparDAC 新增 SelectWorkerPage/SelectWorkerCount；RpabDAC 新增 SelectRPABByRPREN；dsRPARGrid/dsRPAB 改 ObjectDataSource；編譯通過 |
+| 2026-09-10 | 轉換 fmRsaj（RSAJ）：RsajDAC 新增 SelectPage/SelectCount；dsRSAJGrid 改 ObjectDataSource；編譯通過 |
 | 2026-09-10 | fmRowk（ROWK）保留未轉換：其 Grid 綁定使用 WUserControlBase 的 Grid_View/GridView_DataSource（SqlDataSource）框架與 override Search，無法直接改用 ObjectDataSource，需另案重構 |
diff --git a/Web/App_Code/DAC/RsajDAC.cs b/Web/App_Code/DAC/RsajDAC.cs
index adfe749..37175f3 100644
--- a/Web/App_Code/DAC/RsajDAC.cs
+++ b/Web/App_Code/DAC/RsajDAC.cs
@@ -1,12 +1,15 @@
 using System;
 using System.Data;
 using System.Data.Common;
+using System.ComponentModel;
+using System.Text;
 using Wellan.Data;
 using Wellan.Common;
 
 /// <summary>
 /// 薪資加減項資料處理類別
 /// </summary>
+[DataObject(true)]
 public class RsajDAC : Wellan.Data.WDAC
 {
     public RsajDAC()
@@ -127,4 +130,62 @@ public class RsajDAC : Wellan.Data.WDAC
         cmd.Parameters.Add(Query.NewParameter("RSYMM", yymm));
         return GetStringValue(Query.ExecuteScalar(cmd));
     }
+
+    /// <summary>
+    /// 薪資加減項 Grid 分頁查詢
+    /// </summary>
+    [DataObjectMethod(DataObjectMethodType.Select)]
+    public DataTable SelectPage(int startRowIndex, int maximumRows, string RSENO, string RSPYN)
+    {
+        DbCommand cmd = Query.NewCommand();
+
+        StringBuilder filter = new StringBuilder();
+        BuildFilter(filter, cmd, RSENO, RSPYN);
+
+        cmd.CommandText = String.Format(
+            @"SELECT * FROM
+              (
+                SELECT *, ROW_NUMBER() OVER (ORDER BY RSYMM DESC, RSREN DESC) AS ROWID
+                FROM RSAJ 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>
+    /// 薪資加減項 Grid 查詢筆數
+    /// </summary>
+    [DataObjectMethod(DataObjectMethodType.Select)]
+    public int SelectCount(string RSENO, string RSPYN)
+    {
+        DbCommand cmd = Query.NewCommand();
+
+        StringBuilder filter = new StringBuilder();
+        BuildFilter(filter, cmd, RSENO, RSPYN);
+
+        cmd.CommandText = String.Format("SELECT COUNT(*) FROM RSAJ WHERE 1=1 {0}", filter.ToString());
+        return WDAC.GetInt32Value(Query.ExecuteScalar(cmd));
+    }
+
+    /// <summary>
+    /// 組出薪資加減項 Grid 的查詢條件 (與舊 AddSearch 行為一致)
+    /// </summary>
+    private void BuildFilter(StringBuilder sb, DbCommand cmd, string RSENO, string RSPYN)
+    {
+        if (!string.IsNullOrEmpty(RSENO))
+        {
+            sb.Append(" AND RSENO LIKE @RSENO1 ");
+            cmd.Parameters.Add(Query.NewParameter("RSENO1", RSENO + "%"));
+        }
+        if (!string.IsNullOrEmpty(RSPYN))
+        {
+            sb.Append(" AND RSPYN LIKE @RSPYN1 ");
+            cmd.Parameters.Add(Query.NewParameter("RSPYN1", RSPYN + "%"));
+        }
+    }
 }
\ No newline at end of file
diff --git a/Web/forms/worker/fmRsaj.ascx b/Web/forms/worker/fmRsaj.ascx
index 5d428a9..0d0e95c 100644
--- a/Web/forms/worker/fmRsaj.ascx
+++ b/Web/forms/worker/fmRsaj.ascx
@@ -6,10 +6,14 @@
     TextMessageId="FMRSAJ.NAME"></cc1:WLabel>
 <asp:CustomValidator ID="cvMessage" runat="server"
     Display="None"></asp:CustomValidator>
-<asp:SqlDataSource ID="dsRSAJGrid" runat="server"
-    ConflictDetection="CompareAllValues" SelectCommand="SELECT * FROM RSAJ WHERE (1 = 0)"
-    ConnectionString="Data Source=(local);Initial Catalog=THINKYU_WEB;Persist Security Info=True;User ID=sa"
-    ProviderName="System.Data.SqlClient" OnSelected="dsRSAJGrid_Selected"></asp:SqlDataSource>
+<asp:ObjectDataSource ID="dsRSAJGrid" runat="server"
+    TypeName="RsajDAC" SelectMethod="SelectPage" SelectCountMethod="SelectCount"
+    EnablePaging="true" OnSelected="dsRSAJGrid_Selected">
+    <SelectParameters>
+        <asp:Parameter Name="RSENO" Type="String" />
+        <asp:Parameter Name="RSPYN" Type="String" />
+    </SelectParameters>
+</asp:ObjectDataSource>
 <asp:SqlDataSource ID="dsRSAJForm" runat="server"
     ConflictDetection="CompareAllValues" SelectCommand="SELECT * FROM RSAJ WHERE RSREN = @RSREN"
     DeleteCommand="DELETE RSAJ WHERE RSREN = @OLD_RSREN AND APPNO = @OLD_APPNO"
diff --git a/Web/forms/worker/fmRsaj.ascx.cs b/Web/forms/worker/fmRsaj.ascx.cs
index 923ddf1..dadaa33 100644
--- a/Web/forms/worker/fmRsaj.ascx.cs
+++ b/Web/forms/worker/fmRsaj.ascx.cs
@@ -23,11 +23,6 @@ public partial class forms_worker_fmRsaj : Wellan.Web.UI.WUserControlBase
     protected DateTime _YYMM;
     protected string _RSENO = "";
     protected string _RSPYN = "";
-    private string select = "SELECT * ";
-    private string from = " FROM RSAJ ";
-    private string where = " WHERE 1=1 ";
-    // private string order = " ORDER BY RSPYN, RSREN";
-    private string order = " ORDER BY RSYMM DESC, RSREN DESC";
     private TextBox[] RSYMMs = new TextBox[10];
     private DropDownList[] RSENOs = new DropDownList[10];
     private TextBox[] RSAMTs = new TextBox[10];
@@ -48,7 +43,6 @@ public partial class forms_worker_fmRsaj : Wellan.Web.UI.WUserControlBase
     {
         base.OnInit(e);
         dsRSAJForm.ConnectionString = ConnectionString;
-        dsRSAJGrid.ConnectionString = ConnectionString;
         dsRSAJ_RSENO.ConnectionString = ConnectionString;
         dsRSAJ_RSENO.SelectCommand =
             @"IF @RSPYN = '-ALL-'
@@ -201,15 +195,8 @@ public partial class forms_worker_fmRsaj : Wellan.Web.UI.WUserControlBase
     // 查詢動作
     private new void Search()
     {
-        StringBuilder sql = new StringBuilder();
-        sql.Append(select);
-        sql.Append(from);
-        sql.Append(where);
-        dsRSAJGrid.SelectParameters.Clear();
-        AddSearch(sql, dsRSAJGrid, "RSENO", _RSENO, "", true);
-        AddSearch(sql, dsRSAJGrid, "RSPYN", _RSPYN, "", true);
-        sql.Append(order);
-        dsRSAJGrid.SelectCommand = sql.ToString();
+        dsRSAJGrid.SelectParameters["RSENO"].DefaultValue = _RSENO;
+        dsRSAJGrid.SelectParameters["RSPYN"].DefaultValue = _RSPYN;
     }
 
     // 存檔前的計算動作
@@ -254,9 +241,9 @@ public partial class forms_worker_fmRsaj : Wellan.Web.UI.WUserControlBase
         RSAJGrid.DataBind();
     }
 
-    protected void dsRSAJGrid_Selected(object sender, SqlDataSourceStatusEventArgs e)
+    protected void dsRSAJGrid_Selected(object sender, ObjectDataSourceStatusEventArgs e)
     {
-        if (e.AffectedRows == 0)
+        if (e.ReturnValue is Int32 && WDAC.GetInt32Value(e.ReturnValue) == 0)
         {
             /*
             if (ForwardSource != "")