[성현모] VPKI 페이징, csv 다운로드 수정

Projects/SystemX.Core/SystemX.Core/Communication/Http.cs

@@ -95,6 +95,40 @@ namespace SystemX.Core.Communication
             return response;
         }
 
+        public virtual async Task<Stream?> GetStreamAsync(string url, string bearerToken = "", short timeOutSeconds = 10)
+        {           
+            Guid guid = Guid.NewGuid();
+
+            Stream stream = null;
+
+            using (HttpClient httpClient = new HttpClient(GetClientHandler()))
+            {
+                try
+                {
+                    var timeOutSec = SetTimeout(timeOutSeconds);
+                    httpClient.Timeout = new TimeSpan(0, 0, timeOutSec);
+                    httpClient.BaseAddress = new Uri($"{url}");
+
+                    if (string.IsNullOrEmpty(bearerToken) == false)
+                        httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", $"{bearerToken}");
+
+                    Log4net.WriteLine($"[GET] Request({guid})::{url}", LogType.HTTP);
+
+                    DateTime requestTime = DateTime.Now;
+                    var response = await httpClient.GetAsync(url);
+                    stream = await response.Content.ReadAsStreamAsync();
+
+                    Log4net.WriteLine($"[GET] Rseponse({guid}) ({(DateTime.Now - requestTime).TotalSeconds} sec)::{url}", LogType.HTTP);
+                }
+                catch (Exception e)
+                {
+                    Log4net.WriteLine(e);
+                }
+            }
+
+            return stream;
+        }
+
 
         protected HttpClientHandler GetClientHandler()
         {

Projects/VPKI/VPKI/VPKI.Library/Model/CertificateHistoryModel.cs

@@ -14,5 +14,7 @@ namespace VPKI.Library.Model
         public TCertificate? TCertificate { get; set; }
         public TVerifyResult? TVerifyResult { get; set; }
         public TOcsp? TOcsp { get; set; }     
+
+        public int TotalCount { get; set; }
     }
 }

Projects/VPKI/VPKI/VPKI.Library/Services/CertificateService.cs

@@ -573,12 +573,7 @@ namespace VPKI.Library.Services
 
                 hashedCsr.SignedCsr = GetKeyBase64Encrypted(vnSignedHash);
                 hashedCsr.EncodedSignedCsr = GetKeyBase64Encrypted(vnDEREncVal);
-                hashedCsr.Verify = bVerfRst;
+                hashedCsr.Verify = bVerfRst;                              
-
-                Log4net.WriteLine($"SignHashed02 csr::{csr}", LogType.Fatal);
-                Log4net.WriteLine($"SignHashed02 Public Key::{GetKeyBase64Encrypted(GetPublicKeyBC(keyPair)!.Q.GetEncoded()!.ToList())}", LogType.Fatal);
-                Log4net.WriteLine($"SignHashed02 SignedCsr::{hashedCsr.SignedCsr}", LogType.Fatal);
-                Log4net.WriteLine($"SignHashed02 EncodedSignedCsr::{hashedCsr.EncodedSignedCsr}", LogType.Fatal);
 
                 var decoded = DecodeDERSignature_02(vnDEREncVal);
 
@@ -601,11 +596,7 @@ namespace VPKI.Library.Services
                 List<byte> vnSignedHash = GetBouncyCastleECDSASignedHashKey(vnRHashVal, GetPrivateKeyBC(keyPair), ECDSAType.NONEWITHECDSA);
                 List<byte> vnDEREncVal = EncodeDERSignature_20(vnSignedHash);
                 bool bVerfRst = VerifyHashBC(vnSignedHash, vnRHashVal, GetPublicKeyBC(keyPair), ECDSAType.NONEWITHECDSA);
-
+                              
-                Log4net.WriteLine($"SignHashed20 csr::{csr}", LogType.Fatal);
-                Log4net.WriteLine($"SignHashed20 Public Key::{GetKeyBase64Encrypted(GetPublicKeyBC(keyPair)!.Q.GetEncoded()!.ToList())}", LogType.Fatal);
-                Log4net.WriteLine($"SignHashed20 bVerfRst::{bVerfRst}", LogType.Fatal);
-
                 hashedCsr.SignedCsr = GetKeyBase64Encrypted(vnSignedHash);
                 hashedCsr.EncodedSignedCsr = GetKeyBase64Encrypted(vnDEREncVal);
                 hashedCsr.Verify = bVerfRst;

Projects/VPKI/VPKI/VPKI.Web.Api/Controllers/CommonController.cs

@@ -8,7 +8,7 @@ using VPKI.Library.Services;
 
 namespace VPKI.Web.Api.Controllers
 {
-    public class CommonController
+    public class CommonController : ControllerBase
     {        
         public readonly IServiceProvider _serviceProvider;
         public readonly IHttpContextAccessor _httpContextAccessor;

Projects/VPKI/VPKI/VPKI.Web.Api/Controllers/VPKIBaseController.cs

@@ -1,7 +1,12 @@
-using Microsoft.AspNetCore.Http;
+using DB.VPKI_DataDB;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Http.HttpResults;
 using Microsoft.AspNetCore.Mvc;
+using System.IO;
+using System.Text;
 using VPKI.Library.Enums;
 using VPKI.Library.Model;
+using VPKI.Library.Static;
 using VPKI.Web.Api.Services;
 
 namespace VPKI.Web.Api.Controllers
@@ -19,7 +24,7 @@ namespace VPKI.Web.Api.Controllers
         [Tags("VPKI API Base")]
         [HttpGet]
         [Route("history")]
-        public async Task<IResult> TbscsrHistory(DateTime startDate, DateTime endDate)
+        public async Task<IResult> TbscsrHistory(DateTime startDate, DateTime endDate, [FromQuery] TTbscsr filter, int page = 1)
         {
             List<CertificateHistoryModel> response = new List<CertificateHistoryModel>();
 
@@ -27,7 +32,7 @@ namespace VPKI.Web.Api.Controllers
             var service = _serviceProvider.GetService<VpkiBaseService>();
             if (service != null)
             {
-                response = await service.History(DateOnly.FromDateTime(startDate), DateOnly.FromDateTime(endDate));
+                response = await service.History(DateOnly.FromDateTime(startDate), DateOnly.FromDateTime(endDate), filter, page);
             }
 
             long min = 0;
@@ -129,5 +134,40 @@ namespace VPKI.Web.Api.Controllers
 
             return Results.Ok(response);
         }
+
+        /// <summary>
+        /// csv
+        /// </summary>   
+        [Tags("VPKI API Base")]
+        [HttpGet]
+        [Route("exportCsv")]
+        [ApiExplorerSettings(IgnoreApi = false)]
+        public async Task<IActionResult> ExportCsv(DateTime startDate, DateTime endDate, [FromQuery] TTbscsr filter)
+        {
+            Log4net.WriteLine(GetRequestLog().LogModelToString("Request"), LogType.CONTROLLER);
+
+            var sb = new StringBuilder();
+            int row = 0;
+
+            var service = _serviceProvider.GetService<VpkiBaseService>();
+            if (service != null)
+            {                
+                var csvData = await service.History(DateOnly.FromDateTime(startDate), DateOnly.FromDateTime(endDate), filter, -1);
+                row = csvData.Count;   
+                
+                foreach (var line in csvData.ConvertToCsvFile())
+                {
+                    sb.AppendLine(line);
+                }
+            }
+            Log4net.WriteLine($"Response::Export CSV, {row} Rows", LogType.CONTROLLER);
+
+            // UTF-8 BOM 포함 (Excel에서 깨지지 않도록 하기 위해)
+            var bom = Encoding.UTF8.GetPreamble();
+            var csvBytes = Encoding.UTF8.GetBytes(sb.ToString());
+            var resultBytes = bom.Concat(csvBytes).ToArray();
+
+            return File(resultBytes, "text/csv", $"VPKI_{DateTime.Now.ToString("yyyyMMdd_HHmmss")}.csv");
+        }      
     }
 }

Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_02Service.cs

@@ -180,11 +180,7 @@ namespace VPKI.Web.Api.Services
                             }
                             else
                             {
-                                var publicKeyPem = $"{_certificateService.ConvertToPEM(Convert.FromBase64String(csr.CPublickey))}";
+                                var publicKeyPem = $"{_certificateService.ConvertToPEM(Convert.FromBase64String(csr.CPublickey))}";                               
-                                Log4net.WriteLine($"Failed HashedTbscsr::{csr.CHashedTbscsr}", LogType.Fatal);
-                                Log4net.WriteLine($"Failed Signature::{request.csrsignature}", LogType.Fatal);
-                                Log4net.WriteLine($"Failed PublicKey::{csr.CPublickey}", LogType.Fatal);
-                                Log4net.WriteLine($"Failed PublicKey::{publicKeyPem}", LogType.Fatal);
                             }
                         }
                         catch (Exception e)

Projects/VPKI/VPKI/VPKI.Web.Api/Services/ISO15118_20Service.cs

@@ -42,10 +42,10 @@ namespace VPKI.Web.Api.Services
                     request.certType = VpkiType.vehicle_cert.ToString();
                 }
 
-                string pcid = _certificateService.CreatePCID(request, VpkiType.prov_v1);
+                string pcid = _certificateService.CreatePCID(request, VpkiType.vehicle_cert);
-                string dn = $"cn={_certificateService.CreatePCID(request, VpkiType.prov_cert)},ou={request.certInfo.tierCode},ou={request.certInfo.unitCode},ou=ECC,o=HKMC,dc={request.certInfo.dc}";
+                if (request.certType == VpkiType.evcc_cert.ToString())
-                if (request.certType == VpkiType.vehicle_cert.ToString() || request.certType == VpkiType.evcc_cert.ToString())
+                    pcid = _certificateService.CreatePCID(request, VpkiType.evcc_cert);
-                    dn = $"cn={_certificateService.CreatePCID(request, VpkiType.vehicle_cert)},ou={request.certInfo.tierCode},ou={request.certInfo.unitCode},ou=ECC,o=HKMC,dc={request.certInfo.dc}";
+                string dn = $"cn={pcid},ou={request.certInfo.tierCode},ou={request.certInfo.unitCode},ou=ECC,o=HKMC,dc={request.certInfo.dc}";                    
 
                 string csrOrigin = _certificateService.CreateCsr512(dn, request.publickey);
                 string tbaCsrHashed = string.Empty;
@@ -191,11 +191,7 @@ namespace VPKI.Web.Api.Services
                             }
                             else
                             {
-                                var publicKeyPem = $"{_certificateService.ConvertToPEM(Convert.FromBase64String(csr.CPublickey))}";
+                                var publicKeyPem = $"{_certificateService.ConvertToPEM(Convert.FromBase64String(csr.CPublickey))}";                            
-                                Log4net.WriteLine($"Failed HashedTbscsr::{csr.CHashedTbscsr}", LogType.Fatal);
-                                Log4net.WriteLine($"Failed Signature::{request.csrsignature}", LogType.Fatal);
-                                Log4net.WriteLine($"Failed PublicKey::{csr.CPublickey}", LogType.Fatal);
-                                Log4net.WriteLine($"Failed PublicKey::{publicKeyPem}", LogType.Fatal);
                             }
                         }
                         catch (Exception e)

Projects/VPKI/VPKI/VPKI.Web.Api/Services/VpkiBaseService.cs

@@ -1,10 +1,12 @@
 using Azure;
 using DB.VPKI_DataDB;
 using Microsoft.AspNetCore.Components.Server.ProtectedBrowserStorage;
+using Microsoft.AspNetCore.Mvc.ViewEngines;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Storage.ValueConversion.Internal;
 using Microsoft.Extensions.FileSystemGlobbing.Internal;
 using Microsoft.Identity.Client;
+using Org.BouncyCastle.Crypto.Macs;
 using Org.BouncyCastle.Crypto.Signers;
 using Org.BouncyCastle.Utilities.Collections;
 using System.Collections.Generic;
@@ -44,10 +46,13 @@ namespace VPKI.Web.Api.Services
         }      
 
         #region 공통 사용 함수
-        public async Task<List<CertificateHistoryModel>> History(DateOnly startDate, DateOnly endDate)
+        public async Task<List<CertificateHistoryModel>> History(DateOnly startDate, DateOnly endDate, TTbscsr filter, int page = 1)
         {
             List<CertificateHistoryModel> response = new List<CertificateHistoryModel>();
-                        
+
+            int rowCount = 20;
+            int totalCount = 0;
+
             using (var scope = _scopeFactory.CreateScope())
             {
                 var context = scope.ServiceProvider.GetRequiredService<VpkiDataDbContext>();
@@ -56,7 +61,22 @@ namespace VPKI.Web.Api.Services
                     using (var transaction = await context.CreateTransactionAsync(System.Data.IsolationLevel.ReadUncommitted))
                     {
                         var getList = await context.TTbscsrs.AsNoTracking().Where(x => startDate <= DateOnly.FromDateTime(x.CDateTime.Date)
-                            && DateOnly.FromDateTime(x.CDateTime.Date) <= endDate).ToListAsync();
+                            && DateOnly.FromDateTime(x.CDateTime.Date) <= endDate
+                            && EF.Functions.Like(x.CIftid, $"%{filter.CIftid}%")
+                            && EF.Functions.Like(x.CMacaddr, $"%{filter.CMacaddr}%")
+                            && EF.Functions.Like(x.CWmi, $"%{filter.CWmi}%")
+                            && EF.Functions.Like(x.CIdType, $"%{filter.CIdType}%")
+                            && EF.Functions.Like(x.CSupplierId, $"%{filter.CSupplierId}%")
+                            && EF.Functions.Like(x.CDc, $"%{filter.CDc}%")
+                            && EF.Functions.Like(x.CTierCode, $"%{filter.CTierCode}%")
+                            && EF.Functions.Like(x.CUnitCode, $"%{filter.CUnitCode}%")
+                            && EF.Functions.Like(x.CCertType, $"%{filter.CCertType}%")
+                            && EF.Functions.Like(x.CPcid, $"%{filter.CPcid}%")).OrderByDescending(x=>x.CCuid).ToListAsync();
+
+                        totalCount = getList.Count;
+                        if(page >= 0)
+                            getList = getList.Skip((page - 1) * rowCount).Take(rowCount).ToList();
+
                         response.AddRange(getList.Select(x => new CertificateHistoryModel { TTbscsr = x, TCertificate = null }));
 
                         foreach (var r in response)
@@ -72,6 +92,8 @@ namespace VPKI.Web.Api.Services
                             var ocspResult = await context.TOcsps.AsNoTracking().FirstOrDefaultAsync(x => x.CCuid == r!.TTbscsr!.CCuid);
                             if (ocspResult != null)
                                 r.TOcsp = ocspResult;
+
+                            r.TotalCount = totalCount;
                         }
 
                         await context.CloseTransactionAsync(transaction);
@@ -292,7 +314,7 @@ namespace VPKI.Web.Api.Services
 
             return subCaFile;
         }
-
+        
         #endregion
     }
 }

Projects/VPKI/VPKI/VPKI.Web.Client/Components/Pages/VPKIManager.razor

@@ -31,38 +31,29 @@
                 <RadzenLabel Style="margin-right: 5px;" Text="~"></RadzenLabel>
                 <RadzenDatePicker Style="margin-right: 10px;" @bind-Value="@SearchEndDate" DateFormat="yyyy/MM/dd" />
 
-                <RadzenButton Style="margin-right: 30px;" Click="@(()=>Search(0))">Search</RadzenButton>
+                <RadzenButton Style="margin-right: 30px;" Click="@(()=>Search())">Search</RadzenButton>
 
                 <!--vew Count-->
-                <RadzenLabel Style="margin-right: 5px;" Text="ViewCount (20~100)"></RadzenLabel>
+                @* <RadzenLabel Style="margin-right: 5px;" Text="ViewCount (20~100)"></RadzenLabel>
-                <RadzenNumeric @bind-Value=@ViewCount Min=20 Max=100></RadzenNumeric>      
+                <RadzenNumeric @bind-Value=@ViewCount Min=20 Max=100></RadzenNumeric>       *@
             </div>
         </RadzenFieldset>
         <br />
         <!--count-->
         <div style="display: flex; justify-content: space-between; margin-bottom: 0.7rem;">
-            <div style="display: flex; align-items:center;">
+          @*   <div style="display: flex; align-items:center;">
                 <RadzenLabel Style="color:#BA68C8; font-weight: 600; font-size: 1.1rem; margin-right: 1.2rem;" Text=@($"Total Count: {history.Count}")></RadzenLabel>
                 <RadzenLabel Style="color:#64B5F6; font-weight: 600; font-size: 1.1rem;" Text=@($"Filter Count: {grid.View.Count()}")></RadzenLabel>
-            </div>
+            </div> *@
             <div>
-                <RadzenButton Style="background: #7E57C2; margin-right: 0.5rem;" Text="Export CSV(Full Data)" Click="@(()=>OnClickExportCSV(false))"></RadzenButton>
+                <RadzenButton Style="background: #7E57C2; margin-right: 0.5rem;" Text="Export CSV" Click="@(()=>OnClickExportCSV())"></RadzenButton>
-                <RadzenButton Style="background: #1976D2;" Text="Export CSV(Filter Data)" Click="@(()=>OnClickExportCSV(true))"></RadzenButton>
+                @* <RadzenButton Style="background: #1976D2;" Text="Export CSV(Filter Data)" Click="@(()=>OnClickExportCSV(true))"></RadzenButton> *@
             </div>
         </div>
 
-        <RadzenDataGrid @ref="@grid" Data="@history" TItem="CertificateHistoryModel" AllowFiltering FilterMode="FilterMode.Simple"
+        <RadzenDataGrid @ref="@grid" Data="@history" TItem="CertificateHistoryModel" AllowFiltering FilterMode="FilterMode.Simple" Filter="OnChangeFilter" RowExpand="@((args)=>OnExpand(args))"
-            AllowPaging PageNumbersCount="10" PageSize="@ViewCount" PagerHorizontalAlign="HorizontalAlign.Center" AllowSorting RowExpand="@((args)=>OnExpand(args))"
+                        FilterCaseSensitivity="FilterCaseSensitivity.CaseInsensitive">
-            FilterCaseSensitivity="FilterCaseSensitivity.CaseInsensitive" Filter="@OnChangeFilter" FilterCleared="@OnChangeFilter">
             <Columns>
-
-                <!--index or no-->
-              @*   <RadzenDataGridColumn Title="No">
-                    <Template>                
-                        @(history.IndexOf(context)+1)
-                    </Template>
-                </RadzenDataGridColumn> *@
-
                 <!--data-->
                 @foreach (var prop in typeof(TTbscsr).GetProperties())
                 {
@@ -71,7 +62,29 @@
                         continue;
 
                     string propName = $"{prop.Name}";
-                    <RadzenDataGridColumn Title="@propName" Property=@($"TTbscsr.{propName}") />
+                    //filter 없음
+                    if (propName.ToLower().Contains("ccuid"))
+                    {                       
+                        <RadzenDataGridColumn Title="@propName">
+                            <Template>
+                                <RadzenLabel Text=@($"{context.TTbscsr.CCuid}")></RadzenLabel>
+                            </Template>
+                        </RadzenDataGridColumn>
+                    }
+                    else if (propName.ToLower().Contains("chascertificate"))
+                    {
+                        <RadzenDataGridColumn Title="@propName">
+                            <Template>
+                                <RadzenLabel Text=@($"{context.TTbscsr.CHasCertificate}")></RadzenLabel>
+                            </Template>
+                        </RadzenDataGridColumn>
+                    }
+                    //filter 있음
+                    else
+                    {                      
+                        <RadzenDataGridColumn Title="@propName" Property=@($"TTbscsr.{propName}")>
+                        </RadzenDataGridColumn>
+                    }
                 }
                 <!--date time-->
                 <RadzenDataGridColumn Width="9rem" Title="CDATETIME">
@@ -160,6 +173,8 @@
                 }                
             </Template>
         </RadzenDataGrid>
+        <RadzenPager ShowPagingSummary="true" PagingSummaryFormat="@pagingSummaryFormat" HorizontalAlign="HorizontalAlign.Center" Count="@PageTotalRowCount" PageSize="@PageSizeCount" PageNumbersCount="@PageViewCount" PageChanged="@PageChanged" />
+
     </Authorized>
     <NotAuthorized>
         <RadzenLabel Text="Not Authorized"></RadzenLabel>
@@ -172,16 +187,17 @@
     private DateOnly SearchStartDate = DateOnly.FromDateTime(DateTime.Now.AddDays(-7));
     private DateOnly SearchEndDate = DateOnly.FromDateTime(DateTime.Now);
 
-    private string FilterIft = string.Empty;
+    string pagingSummaryFormat = "Page{0}/{1} (Total:{2} Rows)";
-    private string FilterWMI = string.Empty;
-    private string FilterDC = string.Empty;
-    private string FilterCertType = string.Empty;
 
-    private int ViewCount = 20;        
+    private int PageTotalRowCount = 0;
+    private int PageViewCount = 10;        
+    private int PageSizeCount = 20;        
 
     List<CertificateHistoryModel> history = new List<CertificateHistoryModel>();
     RadzenDataGrid<CertificateHistoryModel> grid = new();
 
+    Dictionary<string, string> DicFilter = new Dictionary<string, string>();
+
     protected override async Task OnAfterRenderAsync(bool firstRender)
     {
         if (firstRender)
@@ -191,7 +207,7 @@
         await Task.CompletedTask;
     }
 
-    private async Task Search(int startCcuid)
+    private async Task Search(int page = 1)
     {
         DialogService.OpenIndicator("Search History");
 
@@ -200,33 +216,23 @@
         //Default filter
         requestUrl += $"startDate={SearchStartDate}&";
         requestUrl += $"endDate={SearchEndDate}&";
+
         // requestUrl += $"startCcuid={startCcuid}&";
 
         //optional filter
-        // if (string.IsNullOrEmpty(FilterIft) == false)
+        foreach (var filter in grid.Query.Filters)
-        // {
+        {
-        //     requestUrl += $"ift={FilterIft}&";
+            requestUrl += $"{filter.Property.Split('.').Last()}={filter.FilterValue}&";   
-        // }
+        }
-        // if (string.IsNullOrEmpty(FilterWMI) == false)
+        requestUrl += $"page={page}";
-        // {
-        //     requestUrl += $"wmi={FilterWMI}&";
-        // }
-        // if (string.IsNullOrEmpty(FilterDC) == false)
-        // {
-        //     requestUrl += $"dc={FilterDC}&";
-        // }
-        // if (string.IsNullOrEmpty(FilterCertType) == false)
-        // {
-        //     requestUrl += $"certType={FilterCertType}&";
-        // }      
 
         history?.Clear();
         var http = new Http();
         var result = await http.GetJsonAsync<List<CertificateHistoryModel>>(requestUrl);
-        if (result != null)
+        if (result?.Count > 0)
-        {           
+        {
+            PageTotalRowCount = result.First().TotalCount;
             history.AddRange(result);
-            history.Reverse();
         }
         grid?.Reload();
 
@@ -345,51 +351,58 @@
         DialogService.CloseIndicator();
     }
 
-    async Task OnClickExportCSV(bool isFilter = false)
+    async Task OnClickExportCSV()
     {
         DialogService.OpenIndicator("Export to CSV");
-        List<string> exportData = new List<string>();
+        var http = new Http();       
+        string requestUrl = $"https://{ServerAddress}/exportCsv?";
 
-        if (isFilter == true)
+        //Default filter
-        {
+        requestUrl += $"startDate={SearchStartDate}&";
-            //필터링된 데이터만
+        requestUrl += $"endDate={SearchEndDate}&";
-            exportData.AddRange(grid.View.ToList().ConvertToCsvFile());
-        }
-        else
-        {
-            //전체 데이터
-            exportData.AddRange(history.ConvertToCsvFile());
-        }
 
-        if (exportData?.Count > 0)
+        // requestUrl += $"startCcuid={startCcuid}&";
+
+        //optional filter
+        foreach (var filter in grid.Query.Filters)
         {
-            string fileName = $"VPKI_{DateTime.Now.ToString("yyyyMMdd_HHmmss")}.csv";
+            requestUrl += $"{filter.Property.Split('.').Last()}={filter.FilterValue}&";
-            bool exportResult = await JS.InvokeAsync<bool>("openSaveFileCSV", fileName, exportData.ToJson());
+        }
+        var csv = await http.GetStreamAsync(requestUrl, timeOutSeconds: 30);
+
+        string fileName = $"VPKI_{DateTime.Now.ToString("yyyyMMdd_HHmmss")}.csv";
+        if(csv != null)
+        {
+            using var streamRef = new DotNetStreamReference(stream: csv);
+
+            bool exportResult = await JS.InvokeAsync<bool>("openSaveFileCSV", fileName, streamRef);
             if (exportResult == true)
             {
-                NotiService.Notify(new NotificationMessage 
+                NotiService.Notify(new NotificationMessage
-                { 
+                    {
-                    Severity = NotificationSeverity.Success,
+                        Severity = NotificationSeverity.Success,
-                    Summary = "Success", 
+                        Summary = "Success",
-                    Detail = "CSV Export Success"
+                        Detail = "CSV Export Success"
-                });
+                    });
             }
             else
             {
                 NotiService.Notify(new NotificationMessage
-                {
+                    {
-                    Severity = NotificationSeverity.Error,
+                        Severity = NotificationSeverity.Error,
-                    Summary = "Failed",
+                        Summary = "Failed",
-                    Detail = "CSV Export Failed",
+                        Detail = "CSV Export Failed",
-                });
+                    });
             }
         }       
 
         DialogService.CloseIndicator();
     }
 
-    void OnChangeFilter()
+    void OnChangeFilter<T>(DataGridColumnFilterEventArgs<T> args)
     {
+        PageTotalRowCount = 0;
+        history?.Clear();
         StateHasChanged();
     }
 
@@ -522,5 +535,10 @@
                 Detail = "Copy To Clipboard Failed.",
             });
         }       
+    }  
+
+    private async Task PageChanged(PagerEventArgs args)
+    {
+        await Search(args.PageIndex + 1);
     }
 }

Projects/VPKI/VPKI/VPKI.Web.Client/wwwroot/js/scripts.js

@@ -1,24 +1,17 @@
 window.openSaveFileCSV = async function (fileName, writeData) {
     try {
-        const handle = await window.showSaveFilePicker({
+        const arrayBuffer = await writeData.arrayBuffer();
-            suggestedName: fileName, // 파일의 기본 이름
+        const blob = new Blob([arrayBuffer]);
-            types: [
+        const url = URL.createObjectURL(blob);
-                {
-                    description: "csv",
-                    accept: { "text/plain": [".csv" ] }
-                }
-            ]
-        });
 
-        // 파일을 선택한 후 처리 (파일 핸들러)
+        const anchorElement = document.createElement("a");
-        const writableStream = await handle.createWritable();
+        anchorElement.href = url;
-        const jsonData = JSON.parse(writeData)
+        anchorElement.download = fileName ?? "download.csv";
+        anchorElement.click();
 
-        for (var i = 0; i < jsonData.length; i++) {               
+        anchorElement.remove();
-            await writableStream.write(jsonData[i] + "\r\n");
+        URL.revokeObjectURL(url);
-        }        
+              
-        await writableStream.close();
-        
         return true; // 선택된 파일 이름을 반환
     } catch (error) {
         console.error("Error in showSaveFilePicker:", error);